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Symptom Checker » Choking » Blurred vision
 

Choking and Blurred vision and Impaired vision and Lung symptoms and Pain and Skin color changes
Symptom Checker

Results: Causes of Choking AND Blurred vision AND Impaired vision AND Lung symptoms AND Pain AND Skin color changes

Note: Do not use for diagnosis; see limitations of results.

Results: 8947 causes of Choking OR Blurred vision OR Impaired vision OR Lung symptoms OR Pain OR Skin color changes

    1. 18p minus syndrome
     A rare chromosomal disorder where a portion of chromosome 18 is missing which is characterized by mental and growth deficiencies, drooping upper eyelid and prominent ears. The type and severity of symptoms is determined by the amount of genetic material t...more »
    2. 1q deletion
     A rare chromosomal disorder where part of the long arm (q) of chromosome 1 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    3. 2-Hydroxyglutaricaciduria
     A rare metabolic disorder characterized by high levels of a certain chemical (2-Hydroxyglutaric) which causes a serious progressive neurological disease and damage to the brain. The features of this disorder are variable and some cases are milder than oth...more »
    4. 2-Methylbutyric Aciduria
     A very rare genetic disorder where an enzyme deficiency prevents the break down of certain proteins into energy and results in a harmful accumulation of acids in the blood and body tissues. More specifically, there is a deficiency of an enzyme (2-methylbu...more »
    5. 2-methylbutyryl-coenzyme A dehydrogenase deficiency
     A very rare genetic disorder where an enzyme deficiency prevents the break down of certain proteins into energy and results in a harmful accumulation of acids in the blood and body tissues. More specifically, there is a deficiency of an enzyme (2-methylbu...more »
    6. 22q11.2 deletion syndrome
     A rare genetic disorder caused by the absence of a small portion of genetic material. A small section of chromosome 22 is missing at a location called q11.2. Chromosome 22 is one of 23 pairs of chromosomes that exist in humans....more »
    7. 2q deletion
     A rare chromosomal disorder where part of the long arm (q) of chromosome 2 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    8. 3 alpha methylglutaconicaciduria, type 3
     A rare genetic condition where a gene mutation prevents the production of certain protein which leads to a build-up of an acid (3-methylglutaconic acid) which can have a negative impact on the body. The condition is characterized mainly by damage to the o...more »
    9. 3-alpha-Hydroxyacyl-CoA Dehydrogenase Deficiency
     A rare inherited form of biochemical disorder characterized by the deficiency of a particular enzyme (3-Hydroxyacyl-CoA Dehydrogenase). The enzyme deficiency only affects certain body tissues, in particular the skeletal muscles. The lack of enzyme activit...more »
    10. 3-alpha-hydroxyacyl-coenzyme A dehydrogenase deficiency
     A rare inherited form of biochemical disorder characterized by the deficiency of a particular enzyme (3-Hydroxyacyl-CoA Dehydrogenase). The enzyme deficiency only affects certain body tissues, in particular the skeletal muscles. The lack of enzyme activit...more »
    11. 3-methylglutaconic aciduria, type 4
     A rare genetic disorder where the body's cells are unable to make sufficient energy resulting in an accumulation in the body of 3-methylglutaconic acid. Type 4 is characterized by symptoms which overlap type 1 and 3....more »
    12. 3C syndrome
     A rare disorder characterized by cardiac malformations, cerebellar hypoplasia and cranial dysmorphism which gives the disease it's name....more »
    13. AAA
     Anoutpouching at an area of weakness in the abdominal aorta involving all 3 layers of the artery wall....more »
    14. ABCD syndrome
     A rare inherited condition characterized by albinism, deafness, a black lock of hair and intestinal abnormalities....more »
    15. ACPS III
     A rare genetic condition characterized by head and digital anomalies as well as other abnormalities....more »
    16. ACTH resistance
     A rare inherited genetic disorder characterized by adrenal insufficiency due to the adrenal gland's inability to respond to ACTH and hence produce the hormone called cortisol....more »
    17. ADP platelet receptor P2Y12, deficiency of
     Deficiency of a compound (P2Y12) involved in the blood clotting process which results in bleeding problems....more »
    18. AIDS-Related Opportunistic Infections
     A term given to HIV patients who have a low CD4 count (below 200) which means that they have low levels of a type of immune cell called T-cells. AIDS patients tend to develop opportunistic infections and cancers. Opportunistic infections are infections th...more »
    19. ALL-Down syndrome
     The presence of acute lymphoblastic leukemia in Down syndrome patients. These patients tend to have a poorer prognosis for the leukemia than patients without Down syndrome....more »
    20. APECED Syndrome
     APECED is a recessively inherited genetic disease characterized by the presence of two of the following three conditions: impaired parathyroid function, yeast infection (candidiasis) and impaired adrenal gland function (Addison's disease). It is an autoim...more »
    21. ARTS syndrome
     A rare lethal syndrome characterized by deafness, optic atrophy and ataxia....more »
    22. ATR-X syndrome
     A rare X-linked disorder that affects males and is characterized by mental retardation and alpha thalassemia....more »
    23. ATRUS syndrome
     A rare syndrome characterized by fusion of the forearm bones near the elbow and a blood disorder....more »
    24. Aantibodies anti-FVIIIc syndrome
     A rare, acquired blood condition where the body develops antibodies against a blood clotting factor (FVIII) which results in bleeding problems....more »
    25. Abalone poisoning
     Abalone are a shellfish that are commonly eaten by humans. The internal organs of the abalone sometimes contain toxins which can cause various symptoms. The toxins are believed to originate from toxic components in the abalones diet....more »
    26. Abdominal Aneurysm
     Dilatation of a section of the abdominal aorta, usually due to a weakness in the wall of the artery...more »
    27. Abdominal Cancer
     Growth of abnormal cells (tumour) affecting the organs in the abdominal cavity; may be due to primary growth of a tumour or spread from another tumour (metastases, secondary tumour)...more »
    28. Abdominal Hernia
     A protrusion of the intraabdominal contents through a defect in the abdominal wall...more »
    29. Abdominal Injuries
     Any injury involving the abdomen. Injuries may penetrating or caused by a fall or blow to the abdomen. Symptoms are variable depending on the nature of the injury....more »
    30. Abdominal Neoplasms
     A tumor that occurs in the abdomen....more »
    31. Abdominal Pain
     A condition which is characterized by the sensation of pain that is located in the abdomen...more »
    32. Abdominal abscess
     An abscess that occurs anywhere in the abdomen....more »
    33. Abdominal chemodectomas with cutaneous angiolipomas
     A rare genetic condition involving the growth of a tumor-like mass of lymphatic tissue in the abdomen....more »
    34. Abdominal conditions
     Medical conditions affecting the abdominal region....more »
    35. Abdominal cystic lymphangioma
     A rare form of benign tumor that occurs in infants. It is essentially a malformation of one of the abdominal lymph vessels where a portion is dilated and form a lymph fluid-filled cyst. Symptoms may vary depending on the exact location and size of the cys...more »
    36. Abdominal muscle strain
     Damage to the abdominal muscle due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the severit...more »
    37. Aberrant subclavian artery abnormality
     A rare defect where one the subclavian artery arises from an abnormal location on the aortic arch. The defect may cause compression of organs such as the airway and the voice box....more »
    38. Abetalipoproteinemia
     A rare disorder involving abnormalities in fat metabolism. The resulting insufficiency of fats and vitamins affect the normal development and function of the body....more »
    39. Ablinism I syndrome
     A recessively inherited form of albinism involving the complete lack of skin, hair and eye pigments....more »
    40. Ablinism II syndrome
     A recessively inherited form of albinism involving a reduction in skin, hair and eye pigments....more »
    41. Abnormalities, Radiation-Induced
     Conditions arising from the use of radiation therapy to treat various cancers. Radiation therapy can result in minor abnormalities such as dry, flaky skin or serious abnormalities such as cancer....more »
    42. Abruptio Placentae
     Placental bleeding usually late in a pregnancy....more »
    43. Abruzzo Erickson syndrome
     A genetic disorder characterized by a combination of features including cleft palate, coloboma and deafness....more »
    44. Absence of pulmonary artery
     The absence of a pulmonary artery at birth....more »
    45. Absence of septum pellucidum and septo-optic dysplasia
     A rare birth defect where a thin membrane in the middle of the brain is missing. This brain abnormality is never present on it's own but is a characteristic of septo-optic dysplasia where the patient also has optic disk abnormalities and pituitary deficie...more »
    46. Absence of septum pellucidum with porencephalia syndrome
     A rare syndrome present at birth and characterized by the absence of the thin membrane in the middle of the brain (septum pellucidum) as well as abnormal cavities in the brain (porencephaly). The syndrome also involves other structural brain abnormalities...more »
    47. Absent corpus callosum -- cataract -- immunodeficiency
     A rare syndrome characterized by immunodeficiency, cleft lip or palate, cataract, reduced pigmentation and brain abnormalities....more »
    48. Absolute Glaucoma
     The final stage of blindness in glaucoma in which a glaucoma-induced increase in intraocular pressure results in permanent vision loss....more »
    49. Acanthamoeba infection
     Infection with a microscopic, free-living ameba that is readily found in the environment - soil, air and water. Most people exposed to the ameba will not become infected but when infections do occur, they tend to affect the eyes, central nervous system or...more »
    50. Acanthamoeba infection of the central nervous system
     Infection by an amoebic organism called Acanthamoeba. Infection usually occurs when the amoeba enters through a break in the skin or through the nose. Infection can be localized or systemic where it can involve the central nervous system and cause potenti...more »
    51. Acanthamoeba infection of the eye
     Infection by an amoebic organism called Acanthamoeba. Infection usually occurs when the amoeba enters through a break in the skin or through the nose. Infection can be localized or systemic where it can involve the central nervous system and cause potenti...more »
    52. Acanthamoeba keratitis
     Infection of the eye with a microscopic, free-living ameba (Acanthamoeba) that is readily found in the environment - soil, air and water. Infection most often occurs through exposure to contaminated water while wearing contact lenses e.g. swimming or show...more »
    53. Acanthocheilonemiasis
     Infection with a nematode called Mansonella....more »
    54. Acanthocytosis
     A rare disorder where most of the red blood cells are abnormal with spiny projections due to lipid abnormalities. The blood abnormality is seen in conditions such as abetalipoproteinemia, severe liver disease and severe malnutrition. Symptoms and prognosi...more »
    55. Acanthosis nigricans muscle cramps acral enlargement
     A rare syndrome characterized mainly by muscle cramps, dark velvety patches of skin and large hands and feet....more »
    56. Acarophobia
     An exaggerated or irrational fear of mites, ticks, small insects and worms....more »
    57. Accelerated hypertension
     Accelerated hypertension is a condition characterized by a rapid increase in blood pressure. The condition is a medical emergency which can cause organ damage if not treated promptly....more »
    58. Accessory navicular bone
     An abnormal bone that develops in the arch in the middle of the foot. Often there are no symptoms but if the bone is large it may rub against shoes and cause problems....more »
    59. Accident or injury conditions
     Medical conditions caused by accidents or physical injuries....more »
    60. Accidental Eye Injury
     The accidental injury to an eye...more »
    61. Accidental injury
     An injury that occurs accidentally...more »
    62. Accutane -- Teratogenic Agent
     There is strong evidence to indicate that the use of Accutane during pregnancy may cause a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exp...more »
    63. Acebutolol Hydrochloride -- Teratogenic Agent
     Experimental studies on rats indicate that using Acebutolol Hydrochloride during pregnancy produces no harmful effects on the developing fetus. Acebutolol Hydrochloride is a beta blocker medication used to treat high blood pressure and abnormal heart rhyt...more »
    64. Aceruloplasminemia
     A rare, recessively inherited neurodegenerative disorder characterized by a lack of ceruloplasmin in the blood. The lack of ceruloplasmin results in abnormal iron use in the body and leads to iron deposits in various body tissues such as the brain, pancre...more »
    65. Acetaminophen poisoning
     Excessive ingestion of a drug called acetaminophen....more »
    66. Achalasia
     A rare motor disorder of the esophagus characterized by inability of the lower esophageal sphincter and esophageal muscle to relax as well as dilation of the esophagus....more »
    67. Achalasia -- Addisonianism -- Alacrimia syndrome
     A rare inherited disorder characterized mainly by achalasia, alacrimia (absent tears) and Addison's disease. Addison's disease involves adrenal insufficiency due to a resistance to adrenocorticotropic hormone. Only about 70 cases reported worldwide....more »
    68. Achalasia -- addisonianism -- alacrima syndrome
     A rare inherited disorder characterized mainly by achalasia, alacrimia (absent tears) and Addison's disease. Addison's disease involves adrenal insufficiency due to a resistance to adrenocorticotropic hormone. Only about 70 cases reported worldwide....more »
    69. Achalasia -- adrenal -- alacrima syndrome
     A familial disorder characterized by adrenal gland-related hormonal problems, swallowing difficulty (achalasia) and a lack of tears (alacrima). Neurological impairment and motor and sensory neuropathy is progressive. The adrenal glands in patients are res...more »
    70. Achalasia, familial esophageal
     A rare familial disorder where the esophagus lacks the normal peristaltic motions that help food move through the digestive system....more »
    71. Achalasia, primary
     A rare motor disorder of the esophagus characterized by inability of the lower esophageal sphincter and esophageal muscle to relax as well as dilation of the esophagus. The disorder is not associated with any other disease or disorder....more »
    72. Achard syndrome
     An inherited connective tissue disorder characterized primarily by a short head, long, slender bones, recessed lower jaw and loose hand and foot joints....more »
    73. Achenbach syndrome
     A rare condition where a blood blister the size of a coin develops spontaneously on the palm of the hand. Sharp pain and redness accompany the blood blister. In some cases the blood blister can develop after strain or temperature change....more »
    74. Achilles tendonitis
     Condition causing pain and inflammation in the insertion point of the Achilles tendon, usually due to activities causing repeated stress on the tendon...more »
    75. Achluophobia
     An exaggerated or irrational fear of the night or darkness....more »
    76. Achondrogenesis type 1A
     A rare genetic disorder characterized by abnormal cartilage formation and growth of bones. Type 1A differs from other types by the origin of the genetic defect. Type 1A involves abnormal cartilage-forming cells (chondrocytes) whereas type 1B involves an a...more »
    77. Achondrogenesis type 1A and 1B
     A rare lethal genetic disorder characterized by a low nasal bridge, very short limbs and incomplete bone formation of lower spine....more »
    78. Achrestic anemia
     Achrestic anemia is a form of anemia similar to that caused by Vitamin B12 deficiency but it doesn't respond to treatment with Vitamin B12. The condition tends to progress slowly and can result in death if not treated. There are a variety of possible caus...more »
    79. Achromatopsia
     Patients who have achromatopsia (sometimes called achromatopia) do not have normal "cone vision.". Although the term may refer to acquired disorders such as color agnosia and cerebral achromatopsia, it typically refers to an autosomal recessive congenital...more »
    80. Achromatopsia 2
     A rare form of colorblindness involving atypical rod monochromatism which and causing pendular nystagmus and photophobia....more »
    81. Achromatopsia 3
     A rare form of colorblindness which also involves myopia....more »
    82. Achromatopsia incomplete, X-linked
     An inherited form of blue color blindness....more »
    83. Achromatopsia type 2
     A rare form of colorblindness involving atypical rod monochromatism which and causing pendular nystagmus and photophobia....more »
    84. Acid-Base Imbalance
     A disruption to the normal acid-base equilibrium in the body. There are four main groups of disorder involving an acid-base imbalance: respiratory acidosis or alkalosis and metabolic acidosis or alkalosis. Obviously the severity of symptoms is determined ...more »
    85. Acidic dry cell batteries inhalation poisoning
     Acidic dry cell batteries contain toxic chemicals which can cause symptoms if inhaled. The smoke emitted from burning batteries can also cause poisoning symptoms if sufficient quantities are inhaled. The type and severity of symptoms varies depending on t...more »
    86. Acinic cell carcinoma
     A usually slow-growing malignant tumor that that can occur in various parts of the body but is most often found in the pancreas, salivary glands, palate and upper lip. Symptoms are determined by the size and location of the growth....more »
    87. Acitretin- Teratogenic Agent
     Reports indicate that the use of Acitretin during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. Acitreti...more »
    88. Ackerman Dermatitis Syndrome
     A rare condition characterized by the association of skin and joint symptoms. It is characterized by arthritis preceded by a skin rash (interstitial granulomatous dermatitis) which can vary in appearance from person to person. The condition tends to go th...more »
    89. Ackerman syndrome
     An extremely rare condition characterized primarily by glaucoma, upper lip deformity and abnormal tooth roots....more »
    90. Acorn poisoning
     Acorns contain tannic acid which affects the metabolism of proteins and causing serious symptoms if large amounts are consumed. The amount of tannin in the acorn varies amongst species - higher tannin content results in a more bitter tasting acorn....more »
    91. Acoustic Neurinoma
     A benign tumor of the 8th cranial nerve which lies in the tube connecting the inner ear to the brain....more »
    92. Acoustic neuroma
     A benign tumor of the 8th cranial nerve which lies in the tube connecting the inner ear to the brain....more »
    93. Acousticophobia
     An exaggerated or irrational fear of noise....more »
    94. Acquired Aplastic Anemia
     A rare disorder involving severe failure of the bone marrow to produce new blood cells. Acquired aplastic anemia means that the condition was not present at birth but developed during the persons lifetime. The condition may be caused by such things as aut...more »
    95. Acquired Pure Red Cell Aplasia
     An acquired condition which affects the formation of red blood cells and only red blood cells...more »
    96. Acquired amegakaryocytic thrombocytopenia
     A rare blood disorder characterized by a deficiency of blood platelets required for normal blood clotting. Autoimmune processes can be a cause of the acquired form of this condition....more »
    97. Acquired angioedema
     A rare disorder characterized by recurring episodes of swelling of parts of the skin or mucous membranes. Sometimes internal organs may be involved. The disorder occurs in patients with lymphoproliferative or autoimmune disorders which result in the dysfu...more »
    98. Acquired angioedema, type 1
     A rare disorder characterized by recurring episodes of swelling of parts of the skin or mucous membranes. Sometimes internal organs may be involved. The disorder occurs in patients with lymphoproliferative disorders which affects the function of a complex...more »
    99. Acquired angioedema, type 2
     A rare disorder characterized by recurring episodes of swelling of parts of the skin or mucous membranes. Sometimes internal organs may be involved. Type 2 is an autoimmune disorder where patients develop autoantibodies which destroy the function of C1 es...more »
    100. Acquired hypoprothrombinemia
     A low level of blood prothrombins which is not inherited but occurs as a result of certain medical disorders such as Vitamin K deficiency....more »
    101. Acquired idiopathic sideroblastic anaemia
     A rare disorder where iron is transported into a developing blood cells but because it is unable to be used, it builds up within the cell and tends to stop it from developing into a fully functioning red blood cell. Thus anemia can occur despite adequate ...more »
    102. Acquired prothrombin complex deficiency
     A rare disorder where infants with a deficiency of vitamin K suffer problems with bleeding. It is believed to occur in breast fed infants where the milk from the mother lacks sufficient vitamin K....more »
    103. Acquired prothrombin deficiency
     A deficiency of prothrombin (vital for blood clotting) which is acquired through other conditions such as liver disease, anticoagulant drugs or vitamin K deficiency. The severity of symptoms is determined by the degree of deficiency....more »
    104. Acquired pure megakaryocytic aplasia
     A rare blood disorder characterized by severe thrombocytopenia (reduced blood platelets) or reduced megakaryocytes (bone marrow cells that produce blood platelets). The disorder may be caused by immune processes inhibiting the development of megakaryocyte...more »
    105. Acrocephalopolydactyly -- Cardiac Disease -- Ear, Skin and Lower Limb Defects
     A rare genetic condition characterized by head and digital anomalies as well as other abnormalities....more »
    106. Acrocephalopolysyndactyly type III
     A rare genetic condition characterized by head and digital anomalies as well as other abnormalities....more »
    107. Acrocephaly -- pulmonary stenosis -- mental retardation
     A rare syndrome characterized by a pointy skull, narrowed pulmonary valve and mental retardation....more »
    108. Acrocyanosis
     An uncommon disorder of blood vessels, causing cold, pale skin....more »
    109. Acrodermatitis, persistent
     A rare chronic skin condition characterized by the eruption of pustules that usually occur on the ends of fingers...more »
    110. Acrodynia
     Symptoms caused by chronic mercury poisoning in infants in children....more »
    111. Acrodysostosis
     A rare genetic disorder characterized by short hands, small nose, mental deficiency and hand and foot deformities....more »
    112. Acrofacial dysostosis Rodriguez type
     One of a group of disorders characterized by defective limb and facial development. The Rodriguez type is very rare and primarily involves severe limb and organ malformations....more »
    113. Acrofacial dysostosis, Nager type
     A rare genetic disorder characterized by underdeveloped thumbs, forearm and cheekbones as well as ear defects....more »
    114. Acrofrontofacionasal dysostosis syndrome
     A very rare syndrome characterized by abnormalities of the bones of the skeleton as well as mental retardation. Various facial, eye and urogenital anomalies are also present....more »
    115. Acromegaloid changes, cutis verticis gyrata and corneal leukoma
     A rare disorder characterized by acromegaly (enlarged extremeties) , furrowed skin on scalp and face and corneal leukomas....more »
    116. Acromegaloid, Cutis Verticis Gyrata, Corneal Leukoma Syndrome
     A rare condition characterized by the association of acromegaly, cutis verticis gyrate and corneal leukoma....more »
    117. Acromelanosis
     A birth anomaly where there is patches of increased pigmentation in the ends of the fingers and toes. The pigmentation may spread to surrounding areas of skin....more »
    118. Acroosteolysis dominant type
     A rare inherited connective tissue disorder characterized by breakdown of bone especially in the ends of the fingers and toes....more »
    119. Acroosteolysis neurogenic
     A very rare inherited condition characterized mainly by the loss of all sensations - the lose the ability to feel pain, temperature and touch. The loss of sensation generally starts at the toes and fingers and spreads up the limbs and the trunk may also b...more »
    120. Acroparesthesia syndrome
     A condition involving episodes of paresthesia (tingling, numbness and stiffness) mainly in the lower arms and hands. It most often occurs in middle-aged women....more »
    121. Actinic keratosis
     Scaling of the skin condition usually from sunlight...more »
    122. Actinic prurigo
     An inherited tendency to develop an itchy, bumpy rash on exposure to the sun. Generally only the face and lips are affected. Symptoms tend to occur seasonally....more »
    123. Actinomycetales infection
     A bacterial infection from the order of Actinobacteria. The range of symptoms is variable depending on which bacteria from the order is involved....more »
    124. Actinomycotic appendicitis
     Chronic suppurative appendicitis resulting from infection by Actinomyces israelii. . It is extremely rare, but it is important to diagnose it, since failure to treat it adequately may result in protracted illness with extensive local spread....more »
    125. Acute (or transient) urinary incontinence
     Acute (or Transient) Incontinence is caused by a new or recent medical problem that can be treated....more »
    126. Acute Angle Closure Glaucoma
     Primary angle closure is defined as an occludable drainage angle and features indicating that trabecular obstruction by the peripheral iris has occurred (ie, peripheral anterior synechiae, increased IOP, lens opacities, excessive trabecular pigmentation d...more »
    127. Acute Appendicitis
     Infection of the appendix...more »
    128. Acute Bokhoror
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    129. Acute Bronchitis
     Respiratory inflammation of the bronchi leading to the lungs...more »
    130. Acute Chemical poisoning -- Varnish makers' and painters' Naptha
     Varnish makers' and painters' Naptha is an ingredient used in certain pesticides. Exposure to the chemical can cause a range of symptoms depending on the level and route of exposure. Exposure can occur through inhalation, ingestion, the skin or eyes. Acut...more »
    131. Acute Cholecystitis
     Acute inflammation of the gall bladder, usually due to obstruction by a gall stone...more »
    132. Acute Disseminated Encephalomyelitis
     A rare neurological disorder where an inflammation of the brain and spinal cord occurs due to damage to the protective covering (myelin sheath) around the nerves....more »
    133. Acute Gastritis
     Sudden onset, generally short-lived infection of the gastrointestinal tract causing vomiting; may be due to infective causes (viruses, bacteria or protozoa), or due to drug toxicity and irritation...more »
    134. Acute Interstitial Pneumonia
     A relatively uncommon form of pneumonia that has no apparent cause. Symptoms tend to develop over a period of six months to one and a half years....more »
    135. Acute Nonulcer dyspepsia
     Sudden acute indigestion not caused by a peptic ulcer....more »
    136. Acute Pancreatitis
     Sudden severe inflammation of the pancreas causing digestive complaints....more »
    137. Acute Pesticide poisoning -- xylene
     Xylene is an ingredient used in certain insecticides. Exposure to the chemical can cause a range of symptoms depending on the level and route of exposure. Exposure can occur through inhalation, ingestion, the skin or eyes. Acute exposure involves a exposu...more »
    138. Acute Renal Failure
     Syndrome characterised by rapid decline in kidney function with accumulation of waste products in the blood, occurring over a period of days to weeks...more »
    139. Acute Sinusitis
     A condition which is characterized by an acute inflammatory reaction affecting the sinuses...more »
    140. Acute Tracheitis
     Tracheitis is a bacterial infection of the trachea and is capable of producing airway obstruction...more »
    141. Acute VE
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    142. Acute Viliuisk Encephalitis
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    143. Acute Viliuisk Encephalomyelitis
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    144. Acute Vilyuisk Encephalitis
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    145. Acute Vilyuisk Encephalomyelitis
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    146. Acute bacterial prostatitis
     Bacterial prostatitis is a bacterial inflammation of the prostate gland, in men....more »
    147. Acute biphenotypic leukemia
     A rare form of leukemia that has myeloid and lymphoid features....more »
    148. Acute cholinergic dysautonomia
     A rare condition characterized by the presence of abnormal red blood cells in the bone marrow and blood. The condition is characterized by anemia and generally leads to the development of acute myelogenous leukemia. The acute form has more severe symptoms...more »
    149. Acute elemental mercury inhalation
     Inhalation of elemental mercury can lead to breathing and lung symptoms of various degrees of severity depending on the level of exposure....more »
    150. Acute erythroleukemia
     A rare condition characterized by the presence of abnormal blood cells (erythroblastic precursors) in the bone marrow and blood. The condition is characterized by anemia and generally leads to the development of acute myelogenous leukemia. The acute form ...more »
    151. Acute fatty liver of pregnancy
     A rare complication of pregnancy that can occur in the second half of the pregnancy. It is characterized by excessive fatty deposits in the liver which can be fatal without prompt diagnosis and treatment which involves delivering the baby as soon as possi...more »
    152. Acute fulminant multiple sclerosis
     Malignant Multiple Sclerosis, is a particularly aggressive form of the disease. Thankfully very rare, this highly aggressive form is defined by its swift and relentless decline to significant disability or even death, often within a few weeks or months af...more »
    153. Acute gout
     An acute condition which is caused by a disorder of purine or pyrimidine metabolism resulting in inflammatory arthritis...more »
    154. Acute headache
     Headache, or cephalgia, is defined as diffuse pain in various parts of the head, with the pain not confined to the area of distribution of a nerve....more »
    155. Acute hemorrhagic leukoencephalitis
     A rare brain disease involving destruction of blood vessel walls, hemorrhages and swelling in the brain. The disease may be associated with a virus or vaccination. The disease can progress rapidly and death is common but treatment can result in complete r...more »
    156. Acute idiopathic polyneuritis
     A rare progressive form of ascending polyneuropathy believed to be an autoimmune response....more »
    157. Acute intermittent porphyria
     A rare metabolic disorder characterized by a deficiency in the porphobilinogen deaminase enzyme which results in a build-up of porphyrins or its precursors in the body. Using certain drugs or eating certain foods can trigger the symptoms of the condition....more »
    158. Acute kidney failure
     Sudden failure of the kidneys...more »
    159. Acute leukaemia of ambiguous lineage
     A term used to describe a type of leukemia (a blood cancer) where the leukemic cells cannot be determined as myeloid or lymphoid or where both types of cells are present....more »
    160. Acute leukemia
     An acute condition which affects a cell line of the blood which shows little or no differentiation...more »
    161. Acute lower respiratory conditions
     An acute condition that occurs in the lower respiratory tract...more »
    162. Acute lymphoblastic leukemia
     Cancer of the white blood cells. Precursors to white blood cells are called blasts and are made by the bone marrow but in ALL the blasts are abnormal and do not develop into lymphocytes. Instead, the abnormal blasts or leukemic cells multiply rapidly and ...more »
    163. Acute lymphoblastic leukemia, Susceptibility to
     Cancer of the white blood cells characterized by the presence of excessive lymphoblasts. Precursors to white blood cells are called blasts and are made by the bone marrow but in ALL the blasts are abnormal and do not develop into lymphocytes. Instead, the...more »
    164. Acute lymphoblastic leukemia, Susceptibility to, 1
     Cancer of the white blood cells characterized by the presence of excessive lymphoblasts. Precursors to white blood cells are called blasts and are made by the bone marrow but in ALL the blasts are abnormal and do not develop into lymphocytes. Instead, the...more »
    165. Acute lymphoblastic leukemia, Susceptibility to, 2
     Cancer of the white blood cells characterized by the presence of excessive lymphoblasts. Precursors to white blood cells are called blasts and are made by the bone marrow but in ALL the blasts are abnormal and do not develop into lymphocytes. Instead, the...more »
    166. Acute lymphoblastic leukemia, adult
     Cancer of the white blood cells. Precursors to white blood cells are called blasts and are made by the bone marrow but in ALL the blasts are abnormal and do not develop into lymphocytes. Instead, the abnormal blasts or leukemic cells multiply rapidly and ...more »
    167. Acute lymphocytic leukemia
     Most common child form of leukemia; can also affect adults especially over 65....more »
    168. Acute megacaryoblastic leukemia
     A rare form of malignant bone marrow cancer involving the proliferation of immature precursors of blood cells. More specifically, it involves the rapid proliferation of megakaryoblasts (premature form of megakaryocytes)....more »
    169. Acute meningitis
     Acute meningitis is an inflammation of the brain that presents in an acute fashion. The inflammation may be the result of infective agents such as bacteria, viruses and fungi as well as non-infective agents such as certain drugs. Acute forms of meningitis...more »
    170. Acute mercury inhalation
     Inhalation of mercury vapor can lead to serious symptoms and even death if sufficient quantities are inhaled. Mercury inhalation is more likely in confined or poorly ventilated spaces. Mercury from a broken thermometer can lead to symptoms if it occurs in...more »
    171. Acute mountain sickness
     A condition that occurs when an un-acclimatized person climbs to high altitudes....more »
    172. Acute myeloblastic leukemia type 1
     A form of blood cancer resulting in the rapid proliferation of immature blood cells (blast cells)....more »
    173. Acute myeloblastic leukemia type 2
     A form of blood cancer resulting in the rapid proliferation of granulocytes and monocytes....more »
    174. Acute myeloblastic leukemia type 3
     A rare form of malignant bone marrow cancer involving the rapid proliferation of immature precursors of blood cells. Type 3 involves the proliferation of promyelocytes....more »
    175. Acute myeloblastic leukemia type 4
     A rare form of malignant bone marrow cancer involving the rapid proliferation of immature precursors of blood cells. Type 4 involves the rapid proliferation of myelocytes and monocytes....more »
    176. Acute myeloblastic leukemia type 5
     A rare form of malignant bone marrow cancer involving the proliferation of immature precursors of blood cells. Type 5 involves the rapid proliferation of monoblasts (immature precursors of monocytes) in particular....more »
    177. Acute myeloblastic leukemia type 6
     A rare form of malignant bone marrow cancer involving the rapid proliferation of immature precursors of blood cells. Type 6 involves the proliferation of the immature precursors of red blood cells called erythroblasts....more »
    178. Acute myeloblastic leukemia type 7
     A rare form of malignant bone marrow cancer involving the proliferation of immature precursors of blood cells. Type 7 involves the rapid proliferation of megakaryoblasts (premature form of megakaryocytes) in particular....more »
    179. Acute myelocytic leukemia
     A cancer of the blood-forming tissues of the bone marrow involving the proliferation of cells that normally develop into infection-fighting cells such as eosinophils, monocytes, basophils and neutrophils. The cancerous cells replace the normal bone marrow...more »
    180. Acute myelofibrosis
     A rare condition where progressive scarring or fibrosis of the bone marrow impairs it's ability to make blood cells causing symptoms such as anemia and liver and spleen enlargement....more »
    181. Acute myeloid leukaemia and myelodysplastic syndromes related to alkylating agent
     The use of alkylating agents to treat cancer can result in leukemia in some patients....more »
    182. Acute myeloid leukaemia and myelodysplastic syndromes related to topoisomerase type II inhibitor
     The use of topoisomerase type II inhibitors to treat cancer can result in leukemia in some patients....more »
    183. Acute myeloid leukaemia and myelodysplastic syndromes, therapy related
     Certain cancer therapies can result in the development of leukemia in some patients. These therapies includes topoisomerase type II inhibitors and alkylating agents....more »
    184. Acute myeloid leukemia
     A form of rapidly progressing blood cancer resulting in the rapid proliferation of granulocytes and monocytes, red blood cells and platelets....more »
    185. Acute myeloid leukemia, adult
     A form of blood cancer resulting in the rapid proliferation of granulocytes and monocytes, red blood cells and platelets....more »
    186. Acute myelosclerosis
     A rare disorder where the bone marrow makes too many blood cells. The disease progresses rapidly with death usually occurring within 6 months of onset....more »
    187. Acute non lymphoblastic leukemia
     A form of rapidly progressing blood cancer resulting in the rapid proliferation of granulocytes and monocytes, red blood cells and platelets. It is one of the most common forms of leukemia in adults but can occur in children....more »
    188. Acute panmyelosis
     A rare condition where progressive scarring or fibrosis of the bone marrow impairs it's ability to make blood cells causing symptoms such as anemia and liver and spleen enlargement. The disease often progresses rapidly and results in death....more »
    189. Acute peripheral arterial occlusion
     A sudden blockage of a peripheral artery. The blockage may result from a blood clot, embolism, dissection or trauma. Symptoms usually start suddenly....more »
    190. Acute pharyngitis
     A condition which is characterized by an acute inflammatory reaction of the pharynx...more »
    191. Acute posterior multifocal placoid pigment
     A rare eye disease where the central vision in one or both eyes is affected by inflammation or fluid build up in the retina. The retina lies at the back of the eye. Symptoms such as fever, headache and malaise often precede the eye symptoms. The cause of ...more »
    192. Acute prostatitis
     An acute condition which affects the prostate which is the result of infammation...more »
    193. Acute radiation sickness
     Tissue injury can result from exposure to radiation. The radiation dose, rate of dosing and tissues irradiated will determine the severity and type of symptoms. The effects may be chronic, delayed or acute. Acute irradiation sickness usually occurs after ...more »
    194. Acute respiratory distress syndrome, Infant
     A breathing disorder that occurs in infants. The underdeveloped lungs fail to functioning adequately and the body becomes deprived of oxygen. The condition is more likely to affect premature infants and the greater the prematurity, the greater the risk....more »
    195. Acute retinal necrosis syndrome
     An acute infection of the eye usually caused by the chicken pox virus (varicella-zoster), herpes simplex or cytomegalovirus. One or both eyes may be involved....more »
    196. Acute stress disorder
     An acute anxiety state...more »
    197. Acute tin poisoning
     Acute ingestion of tin can cause various adverse symptoms....more »
    198. Acute tubulointerstitial nephritis and uveitis syndrome
     The association of a sudden kidney disorder with eye inflammation. Autoimmune processes are believed to be involved....more »
    199. Acute upper respiratory infection
     Upper respiratory tract infections, are the illnesses caused by an acute infection which involves the upper respiratory tract: nose, sinuses, pharynx or larynx...more »
    200. Acute urinary conditions
     An acute condition that occurs in the urinary system...more »
    201. Acute urinary retention
     The acute retention of urine in the bladder, not being able to void...more »
    202. Acute vitamin A toxicity
     Acute ingestion of vitamin A can cause symptoms. Symptoms usually only last for a day or two....more »
    203. Acute zonal occult outer retinopathy
     A very rare eye disorder where the retina at the back of the eye becomes inflamed. Vision loss usually starts suddenly and may then progress for a while. The cause of the inflammation is unknown. Usually vision returns to normal in 1 to 3 years but some p...more »
    204. Adam and Eve poisoning
     The Adam and Eve plant is a herb with heart-shaped leaves found in Europe. The plant contains a poisonous chemical called calcium oxalate crystals which can cause a variety of symptoms if ingested. Eye exposure can also cause symptoms due to the abrasive ...more »
    205. Adamantinoma
     Adamantinoma is a rare tumor. The tumor occurs almost exclusively in the long bones; tumors in the tibia account for more than 80% of cases. The diaphyseal region is the area most commonly affected....more »
    206. Adams Nance syndrome
     A rare genetic disorder characterized by rapid heartbeat, high blood pressure, small eyes and the presence of excess glycine in the urine....more »
    207. Addington disease
     An epidemic disease which resembles polio and was first recorded in South Africa. The range and severity of symptoms experienced is variable and the disease may persist from a week to 3 months in some cases....more »
    208. Addison's Disease
     A rare progressive hormonal disorder characterized by insufficient production of certain hormones called adrenal corticosteroids....more »
    209. Addisonian crisis
     Severe adrenal gland complication from Addison's disease....more »
    210. Adducted thumb syndrome recessive form
     A rare recessively inherited disorder characterized mainly by a small head, arthrogryposis (joint contractures), cleft palate and various other abnormalities....more »
    211. Adducted thumbs -- arthrogryposis, Christian type
     A rare recessively inherited disorder characterized mainly by a small head, arthrogryposis (joint contractures), cleft palate and various other abnormalities....more »
    212. Adenine phosphoribosyltransferase deficiency
     A rare genetic disorder where an enzyme (2, 8-dihydroxyadenine) deficiency results in urinary tract stone formation....more »
    213. Adenitis
     Inflammation of a lymph gland...more »
    214. Adenocarcinoid tumor
     A rare type of tumor that occurs in the gastrointestinal tract and tends to metastasize. The symptoms are determined by the location of the tumors....more »
    215. Adenocarcinoma
     A carcinoma derived from/within glandular tissue....more »
    216. Adenocarcinoma of lung
     A tumor that develops in the lining of the lung. The tumor is usually slow growing....more »
    217. Adenocarcinoma, Bronchiolo-Alveolar
     A form of lung cancer that develops in the bronchioles or alveoli....more »
    218. Adenocarcinoma, Clear Cell
     A type of cancer that occurs mainly in the genitourinary tract and the cells that make up the tumor are clear. It is very rare and most cases occur in females whose mothers used a drug called DES (synthetic estrogen) while pregnant....more »
    219. Adenocarcinoma, Follicular
     A type of cancer of the thyroid gland....more »
    220. Adenoid cystic carcinoma
     Salivary gland type malignant neoplasm arising from bronchial seromucinous glands. Composed of epithelial and myoepithelial cells in cribriform, tubular and solid growth patterns....more »
    221. Adenoid cystic carcionoma
     Adenoid cystic carcinoma of the breast is a rare neoplasm. It has a biological course of slow progression and near absence of Iymph node metastasis....more »
    222. Adenoid disorders
     A disorder of the adenoids of the throat...more »
    223. Adenoma, Islet Cell
     A pancreatic tumor which may be benign or malignant. Symptoms may vary depending on the location and size of the tumor as well as whether the tumor secretes hormones or not. For example, the tumor may block the biliary duct....more »
    224. Adenomyosis
     A rare disorder where the endometrium (lining of the uterus) grows inside the muscle walls of the uterus. The condition is generally harmless but can be very painful....more »
    225. Adenophorea Infections
     A parasitic roundworm infection. Roundworms can be found in water and soil environments as well as on plants and in animals....more »
    226. Adenosarcoma of the uterus
     A tumor that develops from the glands that line the uterus....more »
    227. Adenosine triphosphatase deficiency, anaemia due to
     Deficiency of a chemical (adenosine triphosphate) resulting in anemia....more »
    228. Adenoviridae Infections
     Infection with a virus from the Adenoviridae family. The most common sites for infection are membrane linings such as the intestines, respiratory and urinary tract and the eyes. The infection may result in a range of symptoms depending on the particular v...more »
    229. Adenovirus infection in immunocompromised patients
     Infection with a virus from the Adenoviridae family that occurs in a patient with a weakened immune system. The infection in these people is serious and can be fatal. The infection may result in a range of symptoms depending on the particular virus involv...more »
    230. Adenovirus-related Cold
     An Adenovirus-related cold is a relatively minor contagious infection of the nose and throat caused by the Adenovirus. Although colds can cause discomfort they are not considered a serious condition....more »
    231. Adenoviruses
     Common viruses causing common cold and various other ailments....more »
    232. Adhesions
     A fibrous band or structure by which parts abnormally adhere...more »
    233. Adhesive abuse
     Adhesive abuse is the use of various inhalants for the purpose of achieving a "high". They are often used as a cheap, readily available alternative to street drugs but they can cause serious damage to the body. Adhesives include household glues, rubber ce...more »
    234. Adhesive addiction
     Adhesive addiction refers to the compulsive need to abuse adhesives (e.g. sniffing them). Sufferers have withdrawal symptoms when attempting to stop the habit and feel unable to stop the habit despite knowing the harm it is causing their health. Aerosols ...more »
    235. Adie syndrome
     A rare condition where the pupil of the eye is dilated and reacts very slowly to light and other stimulus. Knee and ankle reflexes are also impaired....more »
    236. Adies Syndrome
     A neurological process by which one/both pupils are dilated and do not respond/constrict appropriately when stimulated with light....more »
    237. Adnexal and Skin Appendage Neoplasms
     A type of tumour that develops on particular organs - eyes, skin and uterus. The tumors are usually benign but some may become malignant. The symptoms will vary depending on the location of the tumor and whether it is benign or malignant. These type of tu...more »
    238. Adolescent cataract and infertility syndrome
     A rare syndrome characterized mainly by cataracts and infertility in male adolescents....more »
    239. Adrenal Cancer
     A malignant cancer that develops in the adrenal gland. The tumor may be nonfunctioning (does not produce hormones) or functioning in which case excessive levels of hormones can cause a variety of symptoms depending on which hormone is involved. Adrenal ho...more »
    240. Adrenal Cortex Diseases
     Diseases of the adrenal cortex. Examples includes Addison's disease, Cushing's syndrome and adrenal fatigue....more »
    241. Adrenal Cortex Neoplasms
     A tumor that develops in the adrenal gland. The tumor may be nonfunctioning (does not produce hormones) or functioning in which case excessive levels of hormones can cause a variety of symptoms depending on which hormone is involved. Adrenal hormones made...more »
    242. Adrenal adenoma, familial
     A benign tumor that develops in the adrenal gland and tends to run in families. The tumor may be nonfunctioning (does not produce hormones) or functioning in which case excessive levels of hormones can cause a variety of symptoms depending on which hormon...more »
    243. Adrenal crisis
     A condition which is characterized by insufficient amounts of the adrenocortical hormones that results in vomiting, nausea, hypotension and electrolyte abnormalities...more »
    244. Adrenal disorders
     Disorders affecting the adrenal glands...more »
    245. Adrenal gland hyperfunction
     Excessive activity of the adrenal gland which causes excessive production of one or more adrenal hormones (aldosterone, corticosteroids, androgenic steroids, epinephrine and norepinephrine). The increased adrenal gland activity may be caused by an adrenal...more »
    246. Adrenal gland hypofunction
     Reduced adrenal gland activity due to damage to the adrenal gland or lack of stimulation of the gland. Pituitary hormones stimulate adrenal gland activity....more »
    247. Adrenal hemorrhage, neonatal
     Hemorrhage of the adrenal gland after birth. The severity of the disorder is varies from a small hemorrhage to damage to the whole adrenal gland. Sometimes the condition is discovered incidentally during ultrasounds for other reasons. The hemorrhage may o...more »
    248. Adrenal hyperplasia
     A group of disorder that occur when there is a problem in the process of making adrenal corticosteroids....more »
    249. Adrenal hyperplasia, congenital type 3
     A group of disorders that occur when a deficiency of 21-hydroxylase impairs the normal process of making adrenal corticosteroids. The severity of the condition is variable depending on the degree of deficiency....more »
    250. Adrenal hypertension
     Adrenal hypertension is high blood pressure caused by adrenal gland problems. For example, an adrenal tumor can cause excessive production of aldosterone which in turn causes salt-retention and high blood pressure. Severity of symptoms varies depending on...more »
    251. Adrenal hypofunction
     A condition which is characterized by a lack of production of hormones from the adrenal gland....more »
    252. Adrenal hypoplasia congenital, X-linked
     A genetic disorder which affects the body tissues that produce hormones. It is characterized by underdeveloped adrenal glands which results adrenal insufficiency and hypogonadotrophic hypogonadism....more »
    253. Adrenal incidentaloma
     A tumor of the adrenal gland that is discovered incidentally while performing an imaging examination for reasons other than an adrenal tumor. The tumor may be asymptomatic or can causes excessive secretion of adrenal hormones and resulting symptoms. The t...more »
    254. Adrenal insufficiency
     Where there is insufficient secretion of hormones secreted from the adrenal glands...more »
    255. Adrenal medulla neoplasm
     A tumor that develops in the part of the adrenal gland called the medulla which produces adrenalin and noradrenaline. The tumor is usually benign but can be malignant....more »
    256. Adrenocortical carcinoma
     A condition which is characterized by malignancy which affects the adrenocortex....more »
    257. Adrenoleukodystrophy
     A rare disorder which has characteristic symptoms of Addison disease (adrenocortical insufficiency) and Schilder disease (cerebral sclerosis). Bronze skin, brain sclerosis and demyelination are the main symptoms....more »
    258. Adrenoleukodystrophy, autosomal, neonatal form
     A rare inherited disorder involving the adrenal glands, testes and certain parts of the brain (white matter). It is a less severe form of leukodystrophy where an abnormality within the body cells prevents the metabolism of certain fats (long chain fatty a...more »
    259. Adult Cystic Fibrosis
     Cystic fibrosis is an inherited condition characterized by the production of thick sticky mucus by the mucus glands in the lungs, intestines, liver and pancreas. The condition is most often diagnosed in children or young adults but occasionally, relativel...more »
    260. Adult Panic-Anxiety Syndrome
     A psychiatric disorder involving anxiety and panic attacks that occur for no obvious reason....more »
    261. Adult hypophosphatasia
     An rare inherited bone disorder due to an inborn error of metabolism characterized by a deficiency of alkaline phosphate. The condition involves the early loss of primary teeth and childhood rickets followed by a reasonable health until mid-adulthood when...more »
    262. Adult low grade infiltrative supratentorial Astrocytoma
     A type of brain cancer that occurs in the supratentorial region of the brain of adults and is relatively non-aggressive....more »
    263. Adult onset Still's disease
     A form of Still's disease that has a later onset and involves arthralgia or arthritis and a characteristic rash that often appears during periods of temperature increase....more »
    264. Adult onset angioedema
     Tissue swelling that develops during adulthood. The condition may be caused by a variety of disorders such as certain cancers or allergy....more »
    265. Adult progressive spinal muscular atrophy, Aran Duchenne type
     A group of inherited motor neuron diseases involving progressive muscle weakness, wasting and paralysis due to degeneration of motor neurons in the spinal cord. Muscle weakness and wasting usually starts in the hands and may gradually spread to other musc...more »
    266. Adult respiratory distress syndrome
     Severe respiratory failure...more »
    267. Adult-onset asthma
     Adult-onset asthma is a type of asthma that occurs during adulthood. Asthma involves constriction and inflammation of the airways. The severity of symptoms is variable. Allergies account for about half the cases of adult-onset asthma....more »
    268. Adverse reaction to chemical -- 1,2-Dibromo-3-Chloropropane
     1,2-Dibromo-3-Chloropropane is a chemical used in soil fumigants and as a nematocide for various field crops. Commercial examples include Fumagon, Nemagon, Fumazone, Nemapax, Nemafume. Some people can suffer an adverse reaction to the chemical. The severi...more »
    269. Adverse reaction to chemical -- 1,2-Dibromoethane
     1,2-Dibromoethane is a chemical used in gasoline, soil fumigants, fire extinguishers, flue gases and mechanical gauge fluid. Excessive exposure to this chemical can cause serious symptoms. The severity of symptoms varies amongst patients....more »
    270. Adverse reaction to chemical -- Allyl trichloride
     Allyl trichloride is a chemical used mainly as a varnish or paint remover, cleaning agent or degreasing agent. Some people can suffer an adverse reaction to the chemical. The severity of symptoms varies amongst patients....more »
    271. Aelurophobia
     An exaggerated or irrational fear of cats....more »
    272. Aerophobia
     An exaggerated or irrational fear of fresh air, breezes and flying....more »
    273. Aerosol abuse
     Aerosol abuse is the use of various inhalants for the purpose of achieving a "high". They are often used as a cheap, readily available alternative to street drugs but they can cause serious damage to the body. Aerosols include air fresheners, hair spray, ...more »
    274. Aerosol addiction
     Aerosol addiction refers to the compulsive need to abuse aerosol (e.g. sniffing them). Sufferers have withdrawal symptoms when attempting to stop the habit and feel unable to stop the habit despite knowing the harm it is causing their health. Aerosols are...more »
    275. Aflatoxicosis
     Poisoning from ingestion of aflatoxins....more »
    276. Aflatoxin B1 exposure
     Aflatoxin B1 is a toxin produced by fungus from the Aspergillus genus. The toxin is carcinogenic in humans and can also cause other health effect, particularly liver problems. The fungus are found frequently in nature and can readily contaminate crops bef...more »
    277. Aflatoxin B2 exposure
     Aflatoxin B2 is a toxin produced by fungus from the Aspergillus genus. The toxin is carcinogenic in humans and can also cause other health effect, particularly liver problems. The fungus are found frequently in nature and can readily contaminate crops bef...more »
    278. Aflatoxin G1 exposure
     Aflatoxin G1 is a toxin produced by fungus from the Aspergillus genus. The toxin is carcinogenic in humans and can also cause other health effect, particularly liver problems. The fungus are found frequently in nature and can readily contaminate crops bef...more »
    279. Aflatoxin G2 exposure
     Aflatoxin G2 is a toxin produced by fungus from the Aspergillus genus. The toxin is carcinogenic in humans and can also cause other health effect, particularly liver problems. The fungus are found frequently in nature and can readily contaminate crops bef...more »
    280. Aflatoxin exposure
     Aflatoxins are toxins produced by fungus from the Aspergillus genus. The toxin is carcinogenic in humans and can also cause other health effect, particularly liver problems. The fungus are found frequently in nature and can readily contaminate crops befor...more »
    281. African Sleeping sickness
     Fly-borne African parasitic disease....more »
    282. African milk bush poisoning
     The African milk bush originated from African and is a shrubby plant with small flowers. The milky sap contains diterpene esters which can cause symptoms if it is eaten or if the sap comes into contact with the skin or eyes. It can cause severe skin irrit...more »
    283. Agapanthus poisoning
     The agapanthus is a flowering herb with long leaves, long thick stems and a cluster of blue or white flowers. The plant originated in South Africa. Skin and eye exposure to sap from the plant can cause irritation and eating the plant can cause severe mout...more »
    284. Age-related macular degeneration
     Deterioration of the central field of vision....more »
    285. Aging
     The medical conditions from getting older....more »
    286. Aging brain syndrome
     Aging processes in the brain can cause various psychological and neurological symptoms....more »
    287. Agnathia-holoprosencephaly-situs inversus
     A very rare disorder characterized by a small or absent jaw, developmental brain defect and internal organs situated on the wrong side of the body (situs inversus). The severity and range of symptoms is variable....more »
    288. Agranulocytosis
     Total lack of granulocytes in the blood...more »
    289. Agyrophobia
     An exaggerated or irrational fear of crossing roads. It includes a fear of being attacked on the street or being unable to defend oneself while crossing the road....more »
    290. Aicardi syndrome
     A rare genetic disorder where the structure connecting the two halves of the brain fails to develop which results in seizures and eye abnormalities ....more »
    291. Aichmophobia
     An exaggerated or irrational fear of pointy objects or needles....more »
    292. Air embolism
     A condition which is characterized by air bubbles entering the circulation usually due to trauma, decompression sickness or surgery....more »
    293. Airborne allergy
     An airborne allergy is an adverse reaction by the body's immune system to airborne allergens such as pollen, mold spores and house dust mites. The specific symptoms that can result can vary amongst patients....more »
    294. Airway Obstruction
     A blockage in the breathing tubes. The blockage can occur for many different reasons such as tumors, severe allergic reaction, bacterial infections, foreign bodies or trauma. The degree of obstruction will determine how seriously breathing is impaired....more »
    295. Akaba-Hayasaka syndrome
     A very rare syndrome characterized mainly by a prominent forehead, cloudy corneas, low nasal bridge, underdeveloped chest and short limbs....more »
    296. Aksu von Stockhausen syndrome
     A rare condition observed in a Turkish family and characterized by various head and neck malformations that have resulted from abnormal development of the branchial arches....more »
    297. Al Gazali Aziz Salem syndrome
     A rare syndrome characterized mainly by heart disease, short stature and a webbed neck....more »
    298. Al Gazali Hirschsprung syndrome
     A rare disorder characterized by Hirschsprung disease (an intestinal disorder), nail abnormalities and facial anomalies....more »
    299. Al Gazali Sabrinathan Nair syndrome
     A very rare syndrome characterized by bone and eye problems, seizures and mental retardation....more »
    300. Al Gazali-Khidr-Prem Chandran
     A very rare syndrome characterized mainly by short stature, eye problems and an unusual cherubic facial appearance....more »
    301. Al Gazali-Khidr-Prem Chandran syndrome
    302. Al Murrah-induced lead poisoning
     Al Murrah is a folk remedy used mainly by Saudi Arabian people to treat problems such as stomach pain, diarrhea and colic. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible...more »
    303. Alarcon-induced lead poisoning
     Alarcon is a folk remedy used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susc...more »
    304. Albayaidle-induced lead poisoning
     Albayaidle is a folk remedy used mainly by Mexican and Central American people to treat digestive or stomach problems such as vomiting and colic. It is also used to treat apathy and lethargy. This folk remedy has the potential to cause lead poisoning due ...more »
    305. Albayalde-induced lead poisoning
     Albayalde is a folk remedy used mainly by Mexican and Central American people to treat digestive or stomach problems such as vomiting and colic. It is also used to treat apathy and lethargy. This folk remedy has the potential to cause lead poisoning due t...more »
    306. Albers-Schonberg disease -- Adult benign dominant form
     A rare disorder characterized primarily by increased bone density as old bone is not resorbed and replaced with new bone - is also known as marble bone disease. The adult benign form is associated with a normal life expectancy and is often asymptomatic....more »
    307. Albers-Schonberg disease -- intermediate form
     A rare disorder characterized primarily by increased bone density as old bone is not resorbed and replaced with new bone - is also known as marble bone disease. The intermediate form is more severe than the adult form but less severe than the infantile fo...more »
    308. Albinism deafness syndrome
     A rare syndrome characterized by the association of deafness with partial albinism involving patches of absent pigmentation in the skin and hair. The disorder is inherited in a X-linked manner....more »
    309. Albinism immunodeficiency
     A medical condition characterized by the association of immune system problems and albinism....more »
    310. Albinism ocular late onset sensorineural deafness
     A rare inherited condition characterized by a lack of eye pigmentation and deafness that usually starts in middle-age. Severity of symptoms is variable....more »
    311. Albinism, minimal pigment type
     A rare inherited disorder characterized by a total lack of pigmentation at birth. However, during the first decade of life, some pigmentation does develop in the eyes. The disorder is believed to be a part of a disorder called oculocutaneous albinism type...more »
    312. Albinism, ocular, autosomal recessive
     A rare inherited condition characterized by reduced eye pigmentation with normal, or near normal hair and skin pigmentation....more »
    313. Albright's hereditary osteodystrophy
     A rare genetic disorder where the body fails to recognize and respond to the parathyroid hormone. The parathyroid hormone is involved in controlling the blood levels of calcium and phosphate....more »
    314. Alcock syndrome
     A nerve disorder which causes pain in the pelvic, genital and perianal areas....more »
    315. Alcohol antenatal infection
    316. Alcohol drinking
     The consumption of a drink containing alcohol. Alcohol consumption can cause varying degrees of impairment depending on the amount consumed. Consuming very large amounts of alcohol can lead to death....more »
    317. Alcohol-Induced Disorders
     Disorders caused by excessive alcohol consumption. The symptoms are variable depending on the disorder involved. Some of the disorders are: alcohol abuse, alcohol dependence, alcohol intoxication, alcohol withdrawal, alcohol intoxication delirium, alcohol...more »
    318. Alcohol-induced hypertension
     Alcohol-induced hypertension is high blood pressure caused by excessive drinking of alcohol....more »
    319. Alcohol-induced pseudo-Cushing syndrome
     The excessive consumption of alcohol can result in symptoms similar to a condition called Cushing's syndrome. When alcohol consumption is stopped, symptoms regress....more »
    320. Alcoholic Neuropathy
     Neurological changes due to nerve damage from long-term alcohol consumption...more »
    321. Alcoholic intoxication
     The excessive consumption of alcohol can have toxic effects on the body and can ultimately result in death in severe cases....more »
    322. Alcoholic liver disease
     Alcoholic liver disease is the major cause of liver disease in Western countries, (in Asian countries, viral hepatitis is the major cause). It arises from the excessive ingestion of alcohol....more »
    323. Alcoholic polyneuropathy
     A condition where damage to many peripheral nerves throughout the body results from excessive alcohol consumption. The sensory nerves tend to be affected more than the motor nerves and the legs are usually more affected than the arms....more »
    324. Alcoholic, reversible acute muscular
     Muscle cramps associated with chronic alcohol abuse....more »
    325. Alcoholism
     Alcoholism is the compulsive urge to drink alcohol despite knowing the negative impact on one's health....more »
    326. Aldehyde syndrome
     A metabolic anomaly where consumption of alcohol results in high levels of blood acetaldehyde which causes a variety of symptoms....more »
    327. Alektorophobia
     An exaggerated or irrational fear of chickens....more »
    328. Alendronate -- Teratogenic Agent
     Experimental studies on rats and rabbits indicate that the use of Alendronate during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that...more »
    329. Alezzandrini syndrome
     A rare condition involving degenerative eye disease in one eye, followed by other facial symptoms on the same side and hearing impairment. The condition progresses over months or years....more »
    330. Algophobia
     An exaggerated or irrational fear of pain...more »
    331. Alkaptonuria
     A rare disorder where the abnormal accumulation of a particular acid (homogentisic acid) in the body causes connective tissue and bone damage. This damage gives tissues a dark or bluish discoloration....more »
    332. Allanson-Pantzar-McLeod syndrome
     A rare genetic disorder where abnormal development of kidney tubules results in severe kidney problems that start during the fetal stage....more »
    333. Allen-Masters syndrome
     Damage to muscle layers in the pelvis which allows the abnormally increased movement of the cervix. It often occurs after a traumatic surgical birth, induced abortion or excessive vaginal packing....more »
    334. Allergenic cross-reactivity
     Studies have indicated that a significant number of people with certain allergies will also have allergic responses to other allergens which have a similar protein. For example patients allergic to birch pollen will often have allergies to plant foods suc...more »
    335. Allergic asthma
     Allergic asthma is one of the most common forms of asthma and is triggered by exposure to an allergen. Upon exposure to the allergen, the airways become constricted and inflamed which affects breathing. The severity of symptoms is variable. This form of a...more »
    336. Allergic bronchopulmonary aspergillosis
     An allergic reaction to a particular fungus called Aspergillus....more »
    337. Allergic contact dermatitis
     An allergic contact dermatitis is where the body's immune system causes a skin reaction in response to direct contact with an allergen. Symptoms usually only affect the skin directly in contact with the allergen but in severe cases, symptoms may spread ar...more »
    338. Allergic reaction
     An acute reaction through exposure to a particular allergen...more »
    339. Allergic seminal vulvovaginitis
     Vaginal inflammation following contact with semen after ejaculation....more »
    340. Allergic tension-fatigue syndrome
     Variable symptoms caused by food allergy....more »
    341. Allergies
     Immune system over-reaction to various substances....more »
    342. Allergy-like conditions
     Medical conditions with similar effects to those of allergies....more »
    343. Aloe poisoning
     Aleo vera is often used on the skin to treat such things as burns and dermatitis. The sap from the leaves contain a chemical called anthraquinone glycoside which can cause skin irritation in susceptible people but can also cause poisoning symptoms....more »
    344. Alopecia immunodeficiency
     A rare syndrome characterized by alopecia and primary immunodeficiency....more »
    345. Alpers Syndrome
     A rare syndrome characterized by liver disease, seizures and progressive, episodic psychomotor retardation....more »
    346. Alpha 1-Antitrypsin Deficiency
     A rare disorder characterized by the development of lung disease in adults and liver disease in adults and children....more »
    347. Alpha thalassemia -- Hemoglobin H disease
     Thalassemia is an inherited blood disorder characterized by abnormal synthesis of hemoglobin. Hemoglobin consists of two main protein chains called alpha and beta. Hemoglobin H disease involves defects in three of the four genes required to make each ? pr...more »
    348. Alpha thalassemia major
     Thalassemia is an inherited blood disorder characterized by abnormal synthesis of hemoglobin. Hemoglobin consists of two main protein chains called alpha and beta. Alpha thalassemia major is very rare involves defects in all of the four genes required to ...more »
    349. Alpha-Mannosidosis
     A rare condition which is characterized by a lysosomal storage defect....more »
    350. Alpine syndrome
     A condition that occurs in some people who go to low altitude winter resorts (1500 metres). It tends to mostly affect people who have been fasting when they arrive....more »
    351. Alport syndrome -- mental retardation -- midface hypoplasia -- elliptocytosis
     A rare syndrome characterized by the association of Alport syndrome, mental retardation, underdeveloped midface and a blood abnormality (elliptocytosis). Alport syndrome is an inherited condition involving progressive kidney damage and hearing loss....more »
    352. Alport syndrome with leukocyte inclusions and macrothrombocytopenia
     A rare condition characterized by the presence of large blood platelets, kidney inflammation, deafness and abnormal leukocytes. End-stage kidney disease occurs in about a third of patients and tends to occur during the 3rd and 4th decades of life....more »
    353. Alprazolam -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Alprazolam during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of e...more »
    354. Alstrom disease
     A rage genetic disorder involving a group of abnormalities affecting vision, hearing, kidney function and also characterized by obesity and diabetes mellitus....more »
    355. Alstrom syndrome
     A rare genetic disorder involving a group of abnormalities affecting vision, hearing, kidney function and also characterized by obesity and diabetes mellitus....more »
    356. Alström Syndrome
     A progressive condition which is characterized by deafness, obesity and visual problems in childhood that may lead to diabetes and kidney failure in adulthood...more »
    357. Altamira syndrome
     A disease that occurs in Altamira (Brazil) and is caused by the black fly bite (Simulium). The pathological agent has not yet been determined....more »
    358. Alternating Bowel Habit IBS
     It is a functional bowel disorder characterized by chronic abdominal pain, discomfort, bloating, and alteration of bowel habits in the absence of any organic cause. IBS may be associated with pain disorders....more »
    359. Alternating hemiplegia of childhood
     A rare neurological disorder involving paralysis on one side of the body that is only temporary but occurs often. The extent of the paralysis is variable....more »
    360. Aluminium lung
     A respiratory condition caused by breathing in aluminium containing substances such as aluminium ore or a grain preservative called aluminium phosphide....more »
    361. Alveolar Hydatid Disease
     Rare multi-organ tapeworm infection caught from animals....more »
    362. Alveolar capillary dysplasia
     The abnormal development of the lung blood vessels. The normal barrier across which air and blood can diffuse fails to develop properly. Death usually results within weeks of birth but rare cases can survive for months....more »
    363. Alveolar echinococcosis
     A rare parasitic infection caused by the larva of a miniscule tapeworm called Echinococcus multilocularis. Transmission occurs through contact with foxes, coyotes, dogs and cats. The condition results in the development of parasitic tumors in the liver (s...more »
    364. Alveolitis, extrinsic allergic
     A lung disease that tends to occur in people with jobs where they are frequently exposed to organic dust inhalation....more »
    365. Alves Castelo dos Santos syndrome
     A rare syndrome characterized by hair, eye, skin and spinal abnormalities....more »
    366. Alzheimer disease 10
     An inherited form of Alzheimer's. Type 10 is caused by a genetic defect on chromosome 10p13....more »
    367. Alzheimer disease 12
     An inherited form of Alzheimer's. Type 12 is caused by a genetic defect on chromosome 8p12-q22....more »
    368. Alzheimer disease 13
     An inherited form of Alzheimer's disease that is linked to a defect on chromosome 1q21. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personality a...more »
    369. Alzheimer disease 14
     An inherited form of Alzheimer's disease that is linked to a defect on chromosome 1q25. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personality a...more »
    370. Alzheimer disease 15
     An inherited form of Alzheimer's disease that is linked to a defect on chromosome 3q22-q24. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personali...more »
    371. Alzheimer disease 16
     Alzheimer disease 16 (late-onset) is a form of Alzheimer's disease that is linked to a defect on chromosome Xq21.3. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thi...more »
    372. Alzheimer disease 2, late-onset
     Alzheimer disease 2 (late-onset) is a form of Alzheimer's disease that is linked to a defect on chromosome 19q13.2. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thi...more »
    373. Alzheimer disease 3, (early-onset Alzheimer disease)
     Alzheimer disease 3 is an early-onset form of Alzheimer's disease that is linked to a defect on chromosome 14q24.3. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thi...more »
    374. Alzheimer disease 5
     An inherited form of Alzheimer's. Type 5 has a late onset and is caused by a genetic defect on chromosome 12p11....more »
    375. Alzheimer disease 6
     A genetic form of Alzheimer's. Type 6 has a late onset and is caused by a genetic defect on chromosome 10q24....more »
    376. Alzheimer disease 7
     An inherited form of Alzheimer's. Type 7 is caused by a genetic defect on chromosome 10p13....more »
    377. Alzheimer disease 8
     An inherited form of Alzheimer's. Type 8 is caused by a genetic defect on chromosome 20p....more »
    378. Alzheimer disease 9
     A genetic form of Alzheimer's. Type 9 has a late onset and is caused by a genetic defect on chromosome 19p13.2....more »
    379. Alzheimer disease, early-onset, with cerebral amyloid angiopathy
     An early-onset form of Alzheimer's disease that is linked to a defect on chromosome 21q21. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personalit...more »
    380. Alzheimer disease, familial, 1
     An inherited form of Alzheimer's disease that is linked to a defect on chromosome 21q. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personality an...more »
    381. Alzheimer disease, familial, 11
     An inherited form of Alzheimer's disease that is linked to a defect on chromosome 9p22.1. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personality...more »
    382. Alzheimer disease, familial, 3, with spastic paraparesis and apraxia
     This form of Alzheimer's is an early-onset form of Alzheimer's that is linked to a defect on chromosome 14q24.3. It is characterized by features which are atypical for Alzheimer's - spastic paraparesis which occurs before the dementia symptoms and apraxia...more »
    383. Alzheimer disease, familial, 3, with spastic paraparesis and unusual plaques
     This form of Alzheimer's is an early-onset form of Alzheimer's that is linked to a defect on chromosome 14q24.3. It is characterized by features which are atypical for Alzheimer's - spastic paraparesis which occurs before the dementia symptoms and unusual...more »
    384. Alzheimer disease, familial, 4
     An inherited form of Alzheimer's disease that is linked to a defect on chromosome 1q31-q42. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personali...more »
    385. Amanita polypyramis poisoning
     Amanita polypyramis is a type of large-capped mushroom often found growing in the wild in the US. The mushroom tends to give off a chlorine-like odor. It is poisonous and death can result if sufficient quantities are eaten....more »
    386. Amantadine -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Amantadine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of e...more »
    387. Amaryllis poisoning
     The Amaryllis plant is a bulbous, flowering herb which originated from South America. The bulb contains alkaloids such as lycorine which are toxic but a large quantity would need to be eaten to cause poisoning....more »
    388. Amathophobia
     An exaggerated or irrational fear of dust....more »
    389. Amaurosis Congenita of Leber, type 12
     A rare inherited retinal disease (retinal dystrophy) that usually starts during the fetal stage. Vision impairment is usually apparent at birth or within months of birth. Type 12 is distinguished from the other forms of this condition by the genetic origi...more »
    390. Amaurosis Congenita of Leber, type 13
     A rare inherited retinal disease (retinal dystrophy) that usually starts during the fetal stage. Vision impairment is obvious usually by the age of 4 years. Type 13 is distinguished from the other forms of this condition by the genetic origin of the defec...more »
    391. Amaurosis congenita of Leber
     A rare genetic eye disorder characterized by blindness at birth or within years as well as other eye abnormalities....more »
    392. Amaurosis congenita of Leber, type 1
     A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type I is distinguished from the other forms of this condition by the genetic origin of the defect - ...more »
    393. Amaurosis congenita of Leber, type 10
     A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 10 is distinguished from the other forms of this condition by the genetic origin of the defect -...more »
    394. Amaurosis congenita of Leber, type 11
     A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 11 is distinguished from the other forms of this condition by the genetic origin of the defect -...more »
    395. Amaurosis congenita of Leber, type 2
     A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 2 is distinguished from the other forms of this condition by the genetic origin of the defect - ...more »
    396. Amaurosis congenita of Leber, type 3
     A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 3 is distinguished from the other forms of this condition by the genetic origin of the defect - ...more »
    397. Amaurosis congenita of Leber, type 4
     A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 4 is distinguished from the other forms of this condition by the genetic origin of the defect - ...more »
    398. Amaurosis congenita of Leber, type 5
     A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 5 is distinguished from the other forms of this condition by the genetic origin of the defect - ...more »
    399. Amaurosis congenita of Leber, type 6
     A rare inherited retinal disease (retinal dystrophy) that usually starts during the fetal stage. Vision impairment is usually apparent at birth or within months of birth. Type 6 is distinguished from the other forms of this condition by the genetic origin...more »
    400. Amaurosis congenita of Leber, type 7
     A rare inherited retinal disease (retinal dystrophy) that usually starts during the fetal stage. Vision impairment is usually apparent at birth or within months of birth. Type 7 is distinguished from the other forms of this condition by the genetic origin...more »
    401. Amaurosis congenita of Leber, type 8
     A rare inherited retinal disease (retinal dystrophy) that usually starts during the fetal stage. Vision impairment is usually apparent at birth or within months of birth. Type 8 is distinguished from the other forms of this condition by the genetic origin...more »
    402. Amaurosis congenita of Leber, type 9
     A rare inherited retinal disease (retinal dystrophy) that usually starts during the fetal stage. Vision impairment is usually apparent at birth or within months of birth. Type 9 is distinguished from the other forms of this condition by the genetic origin...more »
    403. Amaurosis fugax
     A rare condition where a temporary blockage of blood flow to the retina causes vision loss in the affected eye until the blood flow returns....more »
    404. Amaxophobia
     An exaggerated or irrational fear of riding in a vehicle or being in one....more »
    405. Ambien overdose
     Ambien is a prescription drug mainly used to treat insomnia. Excessive doses of the drug can result in various symptoms and even death in severe cases....more »
    406. Amebiasis
     An intestinal infection caused by a parasitic amebic organism. It is usually associated with poor sanitation....more »
    407. Amegakaryocytic thrombocytopenia
     A blood disorder involving a deficiency of blood platelets required for normal blood clotting. The disorder may be present at birth (congenital) or acquired (e.g. autoimmune disorders)....more »
    408. American mountain fever
     A viral disease transmitted through the bite of ticks (Rocky Mountain wood tick and American dog tick) who are infected with the virus. Because the virus infects blood cells including erythrocytes, transmission can also occur through transfusion with infe...more »
    409. Amitriptyline -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Amitriptyline during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level o...more »
    410. Amnesic shellfish poisoning
     Rare shellfish poisoning sometimes causing amnesia....more »
    411. Amniotic fluid syndrome
     A rare disorder where large amounts of amniotic fluid suddenly enters the blood stream. The amniotic fluid contains debris which can block blood vessels and dilutes the blood which affects coagulation. This can occur when there is an opening in a blood ve...more »
    412. Amoebiasis
     An infectious disease caused by a free-living amoebic parasite called Entamoeba histolytica. The organism infects the bowel and causes gastroenteritis. Infection occurs through ingesting contaminated food or water. It is more common in countries with poor...more »
    413. Amphetamine abuse
     Use of the stimulant drugs known as amphetamines or "speed"...more »
    414. Amphetamine-induced hypertension
     Amphetamine-induced hypertension is high blood pressure caused by use of amphetamines. Patients with an existing history of hypertension may suffer further blood pressure increases while taking amphetamines and this can be serious. Severity of symptoms va...more »
    415. Ampola syndrome
     A rare genetic disease characterized primarily by mental retardation, facial anomalies, short stature, seizures and finger and toe abnormalities....more »
    416. Amychophobia
     An exaggerated or irrational fear of being scratched or clawed....more »
    417. Amyloid Neuropathies
     A peripheral nerve disorder caused by abnormal amyloid deposits in the nerves. Sensory, autonomic or motor nerves may be affected. The degree of nerve involvement, and hence symptoms, are variable....more »
    418. Amyloid angiopathy
     A blood vessel disorder caused by abnormal amyloid deposits in the blood vessel walls of the brain. The deposits can cause the blood vessel to become weak and rupture resulting in intracranial bleeding. Despite the potentially serious consequences the dis...more »
    419. Amyloid cardiopathy
     Amyloidosis is a rare group of metabolic disorders where a protein called amyloid accumulates in body organs and tissues where it can cause damage and is potentially fatal. The cardiac form involves deposits of amyloid in the heart muscle which affects it...more »
    420. Amyloid cardiopathy, familial
     Amyloidosis is a rare group of metabolic disorders where a protein called amyloid accumulates in body organs and tissues where it can cause damage and is potentially fatal. The familial cardiac form is inherited and involves deposits of amyloid in the hea...more »
    421. Amyloidosis AL
     A disease involving the abnormal deposit of amyloid fibrils in virtually any part of the body - the heart, liver, kidney and peripheral and autonomic nerves are most commonly affected. The abnormal amyloid fibrils are produced abnormal plasma cells in the...more »
    422. Amyloidosis VII
     Amyloidosis involves the abnormal deposit of a substance called amyloid in various parts of the body. In the Ohio type, the amyloid deposits in the leptomeningeal blood vessels, brainstem, spinal cord and eye causing central nervous system dysfunction, br...more »
    423. Amyloidosis beta2-microglobulinic
     Amyloidosis is a rare group of metabolic disorders where a protein called amyloid accumulates in body organs and tissues where it can cause damage. The type of amyloid protein involved in this type of amyloidosis is beta-2-microglobulin. The abnormal prot...more »
    424. Amyloidosis of gingiva and conjunctiva mental retardation
     A rare disorder characterized by mental retardation and abnormal amyloid deposits in the gums and conjunctiva of the eye....more »
    425. Amyloidosis, Familial
     Amyloidosis is a rare group of metabolic disorders where a protein called amyloid accumulates in body organs and tissues where it can cause damage. In the familial form, the type of amyloid involved is usually a plasma protein called transthyretin. The ma...more »
    426. Amyloidosis, Inherited
     Amyloidosis is a rare group of metabolic disorders where a protein called amyloid accumulates in body organs and tissues where it can cause damage. In the inherited form, the type of amyloid involved is usually a plasma protein called transthyretin. The m...more »
    427. Amyloidosis, oculoleptomeningeal
     Amyloidosis involves the abnormal deposit of a substance called amyloid in various parts of the body. In this particular type, the amyloid deposits in the leptomeningeal blood vessels, brainstem, spinal cord and eye causing central nervous system dysfunct...more »
    428. Amyotrophic lateral sclerosis
     A motor neuron disease involving progressive degeneration and eventual destruction of the function of nerves that control voluntary movement....more »
    429. Amyotrophic lateral sclerosis 3
     An inherited disorder involving progressive degeneration of motor neurons which results in muscle weakness and wasting. Type 3 is caused by a defect on chromosome 18q21....more »
    430. Amyotrophic lateral sclerosis 4, juvenile
     An inherited disorder involving progressive degeneration of motor neurons which results in muscle weakness and wasting. Type 4 is caused by a defect on chromosome 9q34....more »
    431. Amyotrophic lateral sclerosis 5
     An inherited disorder involving progressive degeneration of motor neurons which results in muscle weakness and wasting. Type 5 is caused by a defect on chromosome 15q15.1-q21.1....more »
    432. Amyotrophic lateral sclerosis 6
     An inherited disorder involving progressive degeneration of motor neurons which results in muscle weakness and wasting. Type 6 is caused by a defect on chromosome 16q12....more »
    433. Amyotrophic lateral sclerosis 7
     An inherited disorder involving progressive degeneration of motor neurons which results in muscle weakness and wasting. Type 7 is caused by a defect on chromosome 20p13....more »
    434. Amyotrophic lateral sclerosis 8
     An inherited disorder involving progressive degeneration of motor neurons which results in muscle weakness and wasting. Type 9 is caused by a defect on chromosome 20q13.3 and is a dominantly inherited, late-onset form....more »
    435. Amyotrophic lateral sclerosis type 1
    436. Amyotrophic lateral sclerosis, 11
     An inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 11 is differentiated by the origin of the genetic defect involved (6q21)....more »
    437. Amyotrophic lateral sclerosis, 9
     An inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 9 is differentiated by the origin of the genetic defect involved (14q11)....more »
    438. Amyotrophic lateral sclerosis, familial
    439. Amyotrophic lateral sclerosis, familial type 1
     A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 1 is characterized by adult onset and relatively fast progression of symptoms. It usua...more »
    440. Amyotrophic lateral sclerosis, familial type 2
     A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 2 is characterized by childhood or adolescent onset of symptoms which progress very sl...more »
    441. Amyotrophic lateral sclerosis, familial type 3
     A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 3 is characterized late adulthood onset of symptoms which progress slowly over 5 years...more »
    442. Amyotrophic lateral sclerosis, familial type 4
     A generally fatal progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 4 is characterized by the onset of symptoms before the age of 25 and slow progression over the ne...more »
    443. Amyotrophic lateral sclerosis, familial type 5
     A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 6 is characterized adolescent onset of symptoms with progression varying between 1 and...more »
    444. Amyotrophic lateral sclerosis, familial type 6
     A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 6 is characterized adult onset of symptoms with progression varying between 1 and 20 y...more »
    445. Amyotrophic lateral sclerosis, familial type 7
     A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 7 is characterized adult onset of symptoms with progression varying between less than ...more »
    446. Amyotrophic lateral sclerosis, familial type 8
     A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 8 is characterized by adult onset and relatively slow progression of symptoms. It occu...more »
    447. Amyotrophic lateral sclerosis, type 6
     An inherited disorder involving progressive degeneration of motor neurons which results in muscle weakness and wasting. Type 6 is caused by a defect on chromosome 16q12....more »
    448. Anal Cancer
     Cancer (malignant) that develops in the tissues of the anus....more »
    449. Anal conditions
     Conditions that affect the anus...more »
    450. Anal fissure
     Tear in the anal region....more »
    451. Analgesic asthma syndrome
     Asthma caused by the use of pain-killing and anti-inflammatory drugs such as aspirin....more »
    452. Anaphylaxis
     A rare, potentially life-threatening allergic reaction....more »
    453. Anchovy poisoning (clupeotoxin)
     Some anchovies contain toxins (Clupeotoxin) which can be poisonous to humans if eaten. Heat does not destroy the toxin and there is still uncertainty as to the origin of the toxin. The toxin appears to be present in higher concentrations in summer and is ...more »
    454. Ancylostoma duodenale
     An infestation with Ancylostoma duodenale which is a parasitic hookwork whichcan cause serious disease in humans - usually occurs in people who work barefoot in damp soil. The hookworms suck blood from the intestines of the host which can result in anemia...more »
    455. Andersen-Tawil syndrome
     A rare disorder where a genetic mutation causes periods of muscle weakness, heart rhythm abnormalities and various physical development abnormalities. It is believed to be caused by problems with the way the body utilizes potassium....more »
    456. Andogsky's syndrome
     A condition characterized by chronic eczema-like skin lesions which develop during childhood and cataracts which develop in early adulthood. The main areas affected by the skin lesions are the neck, elbows and knees....more »
    457. Andrade's syndrome
     An inherited condition characterized by deposits of an abnormal protein called amyloid in various parts of the body including organs. The condition mainly involves neurological symptoms....more »
    458. Androphobia
     An exaggerated or irrational fear of men...more »
    459. Anemia
     Reduced ability of blood to carry oxygen from various possible causes....more »
    460. Anemia of pregnancy
     Anemia of pregnancy is anemia that occurs during pregnancy. Women's bodies have a greater demand for iron during pregnancy and if intake is not sufficient, anemia can result. Anemia in pregnant women can lead to infant problems such as premature birth, fe...more »
    461. Anemia, Hemolytic, Warm Antibody
     A rare autoimmune condition where the body's defense system attacks and destroys red blood cells. The onset of the condition is triggered by temperatures 37ºC or higher. The severity of the disorder is variable....more »
    462. Anemia, Iron-Deficiency
     A lack of fully functioning red blood cells due to a deficiency of iron. The iron allows the body to make hemoglobin in red blood cells which in turn allows the red blood cell to carry oxygen....more »
    463. Anemia, Neonatal
     Insufficient red blood cells that can carry oxygen around the body. It is common in premature births or can occur as a result of blood loss before, during or just after the birth....more »
    464. Anemia, Refractory, with Excess of Blasts
     A bone marrow disease which results in insufficient red blood cells in the blood (anemia). The prognosis is poor with death usually occurring within a couple of years. There are two types: type 1 refers to cases where the level of blasts is less than 10% ...more »
    465. Anemia, Refractory, with Excess of Blasts, type 1
     A bone marrow disease which results in insufficient red blood cells in the blood (anemia). The prognosis is poor with death usually occurring within a couple of years. Type 1 refers to cases where the level of blasts is less than 10% and type 2 refers to ...more »
    466. Anemia, Refractory, with Excess of Blasts, type 2
     A bone marrow disease which results in insufficient red blood cells in the blood (anemia). The prognosis is poor with death usually occurring within a couple of years. Type 1 refers to cases where the level of blasts is less than 10% and type 2 refers to ...more »
    467. Anemia, Sideroblastic
     A rare blood disorder where abnormal utilization of iron results in the production of defective red blood cells which have excessive deposits of iron in them....more »
    468. Anemia, hypochromic microcytic
     A blood disorder where red blood cells are too small and lack sufficient iron. It can be inherited or caused by insufficient iron in the diet or from a genetic disorder....more »
    469. Anemias, Sideroblastic
     Sideroblastic anemias are a group of rare blood disorders where the bone marrow is unable to produce normal red blood cells. The body has enough iron but the red blood cells are unable to utilize it in a normal manner and anemia results. The red blood cel...more »
    470. Anemic -- hematuria syndrome
     An epidemic disease in Argentina which has a prolonged recovery time but usually there are no complications. Symptoms vary between seasons so that affected patients suffer anorexia, vomiting, diarrhea and dehydration in summer but suffer reduced urination...more »
    471. Anencephaly
     A birth defect where most or all of the brain is missing - most die before birth. Usually the associated portions of skull and other tissue are also missing....more »
    472. Anesthetic agent-induced liver damage
     Damage or injury to the liver caused by exposure to anesthetic agents. Anesthetic agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage m...more »
    473. Anesthetic agent-induced liver damage -- Chloroform
     Damage or injury to the liver caused by exposure to an anesthetic agent called chloroform. Anesthetic agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury....more »
    474. Anesthetic agent-induced liver damage -- Cyclopropane
     Damage or injury to the liver caused by exposure to an anesthetic agent called cyclopropane. Anesthetic agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injur...more »
    475. Anesthetic agent-induced liver damage -- Ether
     Damage or injury to the liver caused by exposure to an anesthetic agent called ether. Anesthetic agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild...more »
    476. Anesthetic agent-induced liver damage -- Halothane
     Damage or injury to the liver caused by exposure to an anesthetic agent called halothane. Anesthetic agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. ...more »
    477. Anesthetic agent-induced liver damage -- Methoxyflurane
     Damage or injury to the liver caused by exposure to an anesthetic agent called methoxyflurane. Anesthetic agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or inj...more »
    478. Anesthetic agent-induced liver damage -- Nitrous Oxide
     Damage or injury to the liver caused by exposure to an anesthetic agent called nitrous oxide. Anesthetic agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or inju...more »
    479. Aneurysm of sinus of Valsalva
     A rare form of aortic aneurysm that occurs in the sinus of Valsalva. An aneurysm is a thinning and bulging of a blood vessel wall. The condition is generally asymptomatic unless it burst and causes life-threatening complications including heart failure. A...more »
    480. Aneurysm, intracranial berry
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    481. Aneurysm, intracranial berry, 1
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    482. Aneurysm, intracranial berry, 10
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    483. Aneurysm, intracranial berry, 2
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    484. Aneurysm, intracranial berry, 3
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    485. Aneurysm, intracranial berry, 4
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    486. Aneurysm, intracranial berry, 5
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    487. Aneurysm, intracranial berry, 6
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are now six different subtypes of intracranial berry aneurysms with each o...more »
    488. Aneurysm, intracranial berry, 7
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    489. Aneurysm, intracranial berry, 8
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    490. Aneurysm, intracranial berry, 9
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    491. Aneurysmal bone cysts
     A benign tumor-like lump in the bone. Most frequently occurs in the spine and longer bones of the body....more »
    492. Aneurysmal subarachnoid haemorrhage
     Bleeding in the space around the brain that occurs from a leak in a weakened or dilated blood vessel under the arachnoid layer of the brain. Death can occur if treatment is not prompt....more »
    493. Angel shaped phalangoepiphyseal dysplasia
     A rare genetic bone development disorder characterized mainly by an unusual angel-shaped ends of some bones (fingers and hips) which leads to early osteoarthritis....more »
    494. Angelucci's syndrome
     A rare disorder characterized by various symptoms associated with vernal (nonbacterial) conjunctivitis. The conjunctivitis tends to recur seasonally and is believed to have allergic origins....more »
    495. Angina
     A special type of chest pain....more »
    496. Anginophobia
     An exaggerated or irrational fear of angina, choking or narrowness of the throat....more »
    497. Angio-osteohypotrophic syndrome
     A rare disorder characterized by malformation of the peripheral (usually veins) blood vessels and skeletal abnormalities. The malformed blood vessels cause localized soft tissue swellings and if veins in bones are affected, the bone may degenerate due to ...more »
    498. Angiofollicular ganglionic hyperplasia
     A rare disorder characterized by a localized overgrowth of lymph node tissue which can form a benign tumor-like growth. The symptoms are determined by the location and number of growths. There are two types of the disease: hyaline-vascular type or the pla...more »
    499. Angiofollicular ganglionic hyperplasia -- hyaline-vascular type
     A rare disorder characterized by a localized overgrowth of lymph node tissue which can form a benign tumor-like growth. There are two types of the disease: hyaline-vascular type or the plasma cell type which tends to have more severe symptoms. The hyaline...more »
    500. Angioid streaks
     Streaks that radiate out from the optic nerve head under the retina. The streaks may be red, brown or grey. The streaks resemble blood vessels and hence the term angioid. The streaks represent tiny breaks in the elastic membrane of the retina (Bruch's mem...more »
    501. Angioimmunoblastic T-cell lymphoma
     A form of cancer which tends to be systemic in nature and thus cancer cells can be found in various parts of the body such as the lymph nodes, liver, spleen, skin and bone marrow....more »
    502. Angioma
     Clump of blood or lymph vessels usually in the skin...more »
    503. Angiomyolipoma
     A rare, benign growth that usually occurs in the kidney. It is usually asymptomatic unless it becomes large or starts bleeding. It is usually associated with tuberous sclerosis....more »
    504. Angioneurotic Edema
     Recurring periods of noninflammatory swelling involving the skin, intestinal organs, brain and mucous membranes. In severe cases, respiratory swelling can result in compromised breathing....more »
    505. Angiosarcoma
     Angiosarcomas are a relatively rare type of malignant tumors that develop from blood vessel tissues. The cancer tends to occur mainly in the liver, skin, breasts and deep soft tissues. The cancer is prone to metastasis to the lymphatic system and is consi...more »
    506. Angiosarcoma of the scalp
     A rare type of cancer that starts in the lining of blood vessels in the scalp. It is generally an aggressive tumor which often metastasizes....more »
    507. Angiostrongyliasis
     Infection by a parasitic worm (Angiostrongylus). Infection can occur through eating contaminated raw animals such as snails, slugs, prawns or crabs which act as hosts to these parasites....more »
    508. Anglophobia
     An exaggerated or irrational fear of England or the English....more »
    509. Anguillulosis
     A infectious disease caused by an intestinal parasite called Strongyloides stercoralis (round worm). Infestation can occur directly through broken skin or through ingestion. Symptoms can take decades to develop in some cases. In rare cases, reinfection oc...more »
    510. Animal allergy
     An animal allergy is an adverse reaction by the body's immune system to animals such as cats. The allergy is usually associated with the skin, saliva or urine of the animal. Animals frequently lick themselves which results in saliva sticking to the fur. T...more »
    511. Aniridia
     A genetic disorder where part or all of the iris of one or both eyes is missing. The iris is the colored part of the eye. There are four forms of the disease: AN-1, AN-II, AN-III and AN-IV....more »
    512. Aniridia -- absent patella
     A rare genetic condition characterized by an abnormal or missing kneecap as well as the absence of the iris of the eye....more »
    513. Aniridia -- mental retardation syndrome
     A very rare syndrome characterized by mental retardation and absent irises....more »
    514. Aniridia -- ptosis -- mental retardation -- obesity, familial
     A rare familial disorder characterized by eye abnormalities, mental retardation and obesity....more »
    515. Aniridia I
     A genetic disorder where part or all of the iris (except for the stump) of one or both eyes is missing. The iris is the colored part of the eye. There are four forms of the disease: AN-1, AN-II, AN-III and AN-IV....more »
    516. Aniridia II
     A genetic disorder where part or all of the iris of one or both eyes is missing. The iris is the colored part of the eye. There are four forms of the disease: AN-1, AN-II, AN-III and AN-IV. AN-II is often associated with other eye problems such as glaucom...more »
    517. Aniridia III
     A genetic disorder where part or all of the iris of one or both eyes is missing. The iris is the colored part of the eye. There are four forms of the disease: AN-1, AN-II, AN-III and AN-IV. AN-III is associated with mental retardation....more »
    518. Aniridia ptosis mental retardation obesity familial type
     A rare familial disorder characterized by eye abnormalities, mental retardation and obesity....more »
    519. Aniridia, sporadic
     A rare eye malformation where part or all of the iris of the eye is missing at birth....more »
    520. Aniridia, type 2
    521. Anisakiasis
     Intestinal infection by a parasitic worm (Anisakidae). Infection usually occurs by eating seafood infected with the larvae....more »
    522. Anisocytosis
     Variation in red blood cell size, commonly seen in anaemia...more »
    523. Anisometropia
     This is where there is an inequality in refractive power of the two eyes...more »
    524. Ankle Arthritis
     Inflammation of the ankle joint. The inflammation can be the result of such things as degenerative joint disease, gout, infection, trauma and autoimmune conditions....more »
    525. Ankle Osteoarthritis
     A form of arthritis where the cartilage which cushions the bones in the ankle joint as they move against each other, becomes progressively degraded and damaged. This causes problems such as pain, stiffness and impaired movement. Pain is not present in all...more »
    526. Ankle conditions
     Conditions that affect the ankle...more »
    527. Ankle fracture
     Fracture of bones in the ankle....more »
    528. Ankle injuries
     Injury to the ankle...more »
    529. Ankle sprain
     Damage to the ankle ligaments....more »
    530. Ankylophobia
     An exaggerated or irrational fear of stiff or immobile joints....more »
    531. Ankylosing spondylarthritis
     Inflammation of one or more spine joints. The spine becomes progressively painful and stiff and the spine joints may eventually fuse and cause disability. The condition may vary from mild to severe. Inflammation can affect other joints and tissues....more »
    532. Ankylosis -- facial anomalies -- pulmonary hypoplasia syndrome
     A rare familial syndrome characterized mainly by fused or stiff joints, facial anomalies and underdeveloped lungs....more »
    533. Ankylostomiasis
     A parasitic intestinal infection caused by a hookworm called Ancylostoma duodenale or Necator americanus. Infection usually occurs when larva enter a break in the skin and then travel throughout the body until the reach the intestines....more »
    534. Anophthalmia -- megalocornea -- cardiopathy -- skeletal anomalies
     A rare genetic syndrome characterized by absent or very small eyes, large corneas, congenital heart defects and skeletal abnormalities....more »
    535. Anophthalmia -- short stature -- obesity
     A very rare syndrome characterized by absent eyes, short stature and obesity....more »
    536. Anophthalmia with pulmonary hypoplasia
     A rare disorder characterized by absent or very small eyes and underdeveloped lung tissue....more »
    537. Anorectal abscess
     A condition characterized by a collection of puss located in the anorectal area...more »
    538. Anorectal disorders
     Conditions that affect the anorectum...more »
    539. Anorectal stricture
     A condition which is characterized by the formation of a stricture located in the anorectum...more »
    540. Anorexia Nervosa
     A disorder where a distorted sense of body image leads to self-starvation to the point of death in some cases....more »
    541. Anotia -- facial palsy -- cardiac defect
     A rare syndrome characterized mainly missing ears, facial weakness and congenital heart defects....more »
    542. Anoxemia
     Lack of oxygen in the blood...more »
    543. Ansell-Bywaters-Elderking syndrome
     A rare familial syndrome characterized mainly by mental retardation, rash, eye inflammation and joint disease....more »
    544. Antepartum Eclampsia
     Antepartum eclampsia is the development of seizures or coma in pregnant women suffering from high blood pressure. Antepartum means that it occurs before delivery. Eclampsia is a serious condition which requires urgent medical treatment. Eclampsia may be a...more »
    545. Anterior Interosseous Nerve Syndrome
    546. Anterior cord syndrome
     Neurological symptoms caused by compression of the front part of the spinal column or damage to the anterior spinal artery....more »
    547. Anterior pituitary hyperhormonotrophic syndrome
     A syndrome characterized by the excessive production of various hormones (gonadotrophic, thyrotrophic, lactotrophic and pancreatrophic hormone)....more »
    548. Anterior polar cataract 2
     A rare, dominantly inherited type of cataract which is characterized by small opacities on the front surface of the eye lens. Vision is usually not affected and the cataract is not associated with any other abnormalities. Type 1 is caused by a genetic def...more »
    549. Anterior segment mesenchymal dysgenesis
     An eye disorder caused by a genetic anomaly. The degree of vision impairment various with the severity of the condition....more »
    550. Anterior spinal artery stroke
     An interruption to the blood supply in the anterior spinal artery which affects sensation, motor control and bowel control. The symptoms may improve to varying degrees once the blood supply returns to normal. The severity of the disorder depends on the ex...more »
    551. Anterior spinal artery syndrome
     Neurological symptoms caused by the blockage of the anterior spinal artery. The blockage may be caused by such things as trauma, cancer, thrombosis and arterial disease. Symptoms are determined by the exact location of the blockage....more »
    552. Anthophobia
     An exaggerated or irrational fear of flowers....more »
    553. Anthracosis
     A condition characterized by the accumulation of carbon in the lungs caused by inhaled smoke or coal dust...more »
    554. Anthrax
     A serious infectious bacterial disease that can be fatal....more »
    555. Anthropophobia
     An exaggerated or irrational fear of people and groups of people....more »
    556. Anthurium poisoning
     Anthuriums have dark, glossy, heart-shaped leaves with glossy, heart-shaped flowers which can be red, white or other colors. The plant contains calcium oxalate crystals which an cause severe mouth pain if eaten. Large amounts would need to be eaten to cau...more »
    557. Anti-glomerular basement membrane antibody-mediated disease
     A kidney disorder involving varying degrees of kidney impairment. Severe cases lead to kidney failure whereas mild cases have normal kidney function....more »
    558. Anti-plasmin deficiency, congenital
     A very rare inherited blood disorder involving a deficiency of antiplasmin which results in excessive bleeding....more »
    559. Antibiotics-induced liver damage
     Damage or injury to the liver caused by taking certain antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause ...more »
    560. Antibiotics-induced liver damage -- Cephalosporin
     Damage or injury to the liver caused by exposure to Cephalosporin antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage...more »
    561. Antibiotics-induced liver damage -- Chloramphenicol
     Damage or injury to the liver caused by exposure to an antibiotic called Chloramphenicol. Chloramphenicol a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild l...more »
    562. Antibiotics-induced liver damage -- Clindamycin
     Damage or injury to the liver caused by exposure to Clindamycin antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage m...more »
    563. Antibiotics-induced liver damage -- Erythromycin Ethyl succinate
     Damage or injury to the liver caused by exposure to Erythromycin Ethyl succinate antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mi...more »
    564. Antibiotics-induced liver damage -- Erythromycin estolate
     Damage or injury to the liver caused by exposure Erythromycin estolate antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver d...more »
    565. Antibiotics-induced liver damage -- Nitrofuran
     Damage or injury to the liver caused by exposure to Nitrofuran antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage ma...more »
    566. Antibiotics-induced liver damage -- Novobiocin
     Damage or injury to the liver caused by exposure to Novobiocin antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage ma...more »
    567. Antibiotics-induced liver damage -- Penicillin
     Damage or injury to the liver caused by exposure to Penicillin antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage ma...more »
    568. Antibiotics-induced liver damage -- Quinolone
     Damage or injury to the liver caused by exposure to Quinolone antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may...more »
    569. Antibiotics-induced liver damage -- Rifampicin
     Damage or injury to the liver caused by exposure to Rifampicin antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage ma...more »
    570. Antibiotics-induced liver damage -- Spectinomycin
     Damage or injury to the liver caused by exposure to Spectinomycin antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage...more »
    571. Antibiotics-induced liver damage -- Sulfones
     Damage or injury to the liver caused by exposure to sulfone antiboitics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may c...more »
    572. Antibiotics-induced liver damage -- Telithromycin
     Damage or injury to the liver caused by exposure to Telithromycin antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage...more »
    573. Antibiotics-induced liver damage -- Tetracycline
     Damage or injury to the liver caused by exposure to Tetracycline antibiotics. Antibiotics are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage ...more »
    574. Anticholinergic syndrome
     Symptoms caused by overdose of anticholinergic drugs....more »
    575. Anticoagulant poisoning
     Excessive ingestion of anticoagulant drugs....more »
    576. Anticonvulsive-induced liver damage
     Damage or injury to the liver caused by exposure to anticonvulsives. Anticonvulsives are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may c...more »
    577. Anticonvulsive-induced liver damage -- Mephenytoin
     Damage or injury to the liver caused by exposure to an anticonvulsive called mephenytoin. Anticonvulsives are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mi...more »
    578. Anticonvulsive-induced liver damage -- Phenobarbital
     Damage or injury to the liver caused by exposure to an anticonvulsive called phenobarbital. Anticonvulsives are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. ...more »
    579. Anticonvulsive-induced liver damage -- Phenytoin
     Damage or injury to the liver caused by exposure to an anticonvulsive called Phenytoin. Anticonvulsives are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild...more »
    580. Anticonvulsive-induced liver damage -- Valproic Acid
     Damage or injury to the liver caused by exposure to an anticonvulsive called valproic acid. Anticonvulsives are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. ...more »
    581. Antidiarrheal agent poisoning
     Antidiarrheal agents contain chemicals such as atropine and diphenoxylate which can cause various symptoms if excessive quantities are taken. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the expos...more »
    582. Antifungal agent-induced liver damage
     Damage or injury to the liver caused by exposure to antifungal agents. Antifungal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage m...more »
    583. Antifungal agent-induced liver damage -- 5-Fluorocytosine
     Damage or injury to the liver caused by exposure to an antifungal agent called 5-Fluorocytosine. Antifungal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or i...more »
    584. Antifungal agent-induced liver damage -- Amphotericin
     Damage or injury to the liver caused by exposure to an antifungal agent called Amphotericin. Antifungal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injur...more »
    585. Antifungal agent-induced liver damage -- Griseofulvin
     Damage or injury to the liver caused by exposure to an antifungal agent called Griseofulvin. Antifungal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injur...more »
    586. Antifungal agent-induced liver damage -- Ketoconazole
     Damage or injury to the liver caused by exposure to an antifungal agent called Ketoconazole. Antifungal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injur...more »
    587. Antifungal agent-induced liver damage -- Saramycetin
     Damage or injury to the liver caused by exposure to an antifungal agent called Saramycetin. Antifungal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury...more »
    588. Antihypertensive drug allergy
     Taking antihypertensive drugs (blood pressure-lowering drugs) can cause an allergic response in some people however this is considered rare. It involves the body's immune system overreacting to the drug. The type and severity of symptoms can vary consider...more »
    589. Antimetazoal agent-induced liver damage
     Damage or injury to the liver caused by exposure to Antimetazoal agents. Antimetazoal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver dama...more »
    590. Antimetazoal agent-induced liver damage -- Amodiaquine
     Damage or injury to the liver caused by exposure to an antimetazoal agent called amodiaquine. Antimetazoal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or in...more »
    591. Antimetazoal agent-induced liver damage -- Hycanthone
     Damage or injury to the liver caused by exposure to an antiprotozoal agent called hycanthone. Antimetazoal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or in...more »
    592. Antiphospholipid syndrome
     An autoimmune disorder characterized by blood clots and pregnancy losses....more »
    593. Antiprotozoal agent-induced liver damage
     Damage or injury to the liver caused by exposure to antiprotozoal agents. Antiprotozoal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver da...more »
    594. Antiprotozoal agent-induced liver damage -- 8-Hydroxyquinolone
     Damage or injury to the liver caused by exposure to an antiprotozoal agent called 8-Hydroxyquinolone. Antiprotozoal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver dam...more »
    595. Antiprotozoal agent-induced liver damage -- Carbarsone
     Damage or injury to the liver caused by exposure to an antiprotozoal agent called carbarsone. Antiprotozoal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or i...more »
    596. Antiprotozoal agent-induced liver damage -- Emetine
     Damage or injury to the liver caused by exposure to an antiprotozoal agent called emetine. Antiprotozoal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or inju...more »
    597. Antiprotozoal agent-induced liver damage -- Mepacrine
     Damage or injury to the liver caused by exposure to an antiprotozoal agent called mepacrine. Antiprotozoal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or in...more »
    598. Antiprotozoal agent-induced liver damage -- Metronidazole
     Damage or injury to the liver caused by exposure to an antiprotozoal agent called Metronidazole. Antiprotozoal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage o...more »
    599. Antiprotozoal agent-induced liver damage -- Thiabendazole
     Damage or injury to the liver caused by exposure to an antiprotozoal agent called Thiabendazole. Antiprotozoal agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage o...more »
    600. Antisynthetase syndrome
     A rare autoimmune disease that affects the muscles. It involves the development of antibodies to an enzyme (aminoacyl-tRNA synthetase) which is involved in making proteins....more »
    601. Antithrombin Deficiency
     Antithrombin deficiency refers the deficiency or impaired activity of a substance that inactivates enzymes involved in blood coagulation. Antithrombin prevents the blood from clotting too readily and if its activity is impaired then the blood becomes more...more »
    602. Antithrombin Deficiency, type I
     Type I Antithrombin deficiency refers the deficiency of a substance that inactivates enzymes involved in blood coagulation. Antithrombin prevents the blood from clotting too readily and if there are insufficient quantities of it then the blood becomes mor...more »
    603. Antithrombin Deficiency, type II
     Type II Antithrombin deficiency refers the malfunction of a substance that inactivates enzymes involved in blood coagulation. Antithrombin prevents the blood from clotting too readily and if it is unable to function properly then the blood becomes more pr...more »
    604. Antithrombin III deficiency, congenital
     A rare blood disorder where a congenital deficiency of antithrombin III causes excessive blood coagulation which results in blood clot formation....more »
    605. Antithyroid arthritis syndrome
     Arthritis caused by using antithyroid drugs to treat hyperthyroidism....more »
    606. Antituberculous agent-induced liver damage
     Damage or injury to the liver caused by exposure to antituberculous agents. Antituberculous agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild live...more »
    607. Antituberculous agent-induced liver damage -- Cycloserine
     Damage or injury to the liver caused by exposure to an antituberculous agent called cycloserine. Antituberculous agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage...more »
    608. Antituberculous agent-induced liver damage -- Ethionamide
     Damage or injury to the liver caused by exposure to an antituberculous agent called ethionamide. Antituberculous agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage...more »
    609. Antituberculous agent-induced liver damage -- Isoniazid
     Damage or injury to the liver caused by exposure to an antituberculous agent called isoniazid. Antituberculous agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage o...more »
    610. Antituberculous agent-induced liver damage -- Rifampicin
     Damage or injury to the liver caused by exposure to an antituberculous agent called rifampicin. Antituberculous agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage ...more »
    611. Antituberculous agent-induced liver damage -- p-aminosalicylic acid
     Damage or injury to the liver caused by exposure to an antituberculous agent called p-aminosalicylic acid. Antituberculous agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the li...more »
    612. Antiviral agent-induced liver damage
     Damage or injury to the liver caused by exposure to antiviral agents. Antiviral agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may...more »
    613. Antiviral agent-induced liver damage -- Cytarabine
     Damage or injury to the liver caused by exposure to an antiviral agent called cytarabine. Antiviral agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. M...more »
    614. Antiviral agent-induced liver damage -- Vidarabine
     Damage or injury to the liver caused by exposure to an antiviral agent called vidarabine. Antiviral agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. M...more »
    615. Antiviral agent-induced liver damage -- idoxuridine
     Damage or injury to the liver caused by exposure to an antiviral agent called idoxuridine. Antiviral agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. ...more »
    616. Antiviral agent-induced liver damage -- xenylamine
     Damage or injury to the liver caused by exposure to an antiviral agent called xenylamine. Antiviral agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. M...more »
    617. Antlophobia
     An exaggerated or irrational fear of floods....more »
    618. Anxiety
     A feeling of apprehension, and fear without apparent stimulus that is associated sometime with somatic responses...more »
    619. Anxiety conditions
     Medical conditions related to anxiety, fear, and panic....more »
    620. Anxiety-tension syndrome
     Anxiety associated with physical symptoms such as tense muscles and fatigue....more »
    621. Aorta conditions
     Conditions that affect the aorta...more »
    622. Aorta-pulmonary artery fistula
     An abnormal opening or connection between the aorta and the main pulmonary artery. It can occur through a traumatic penetrating injury or may be a complication of surgery. Severe cases can lead to heart failure....more »
    623. Aortic Aneurysm, Thoracic
     Bulging and weakness of the aorta in the area of the chest. The condition is life-threatening as death can occur rapidly if the aneurysm bursts....more »
    624. Aortic Valve Insufficiency
     A heart valve disorder where the heart valve is unable to close completely which causes a backflow of some of the blood from the aorta. The condition can be caused by such things as systemic lupus erythematosus, endocarditis, high blood pressure, Marfan's...more »
    625. Aortic aneurysm
     A localised dilatation of the aorta which results in a 50% increase in its diameter...more »
    626. Aortic aneurysm, familial abdominal 1
     A rare familial disorder where the abdominal aorta has a weak, bulging portion. The condition is asymptomatic but can result in death if it bursts. Type 1 is caused by a genetic defect on chromosome 19q13....more »
    627. Aortic aneurysm, familial abdominal 2
     A rare familial disorder where the abdominal aorta has a weak, bulging portion. The condition is asymptomatic but can result in death if it bursts. Type 2 is caused by a genetic defect on chromosome 4q31....more »
    628. Aortic aneurysm, familial abdominal 3
     A rare familial disorder where the abdominal aorta has a weak, bulging portion. The condition is asymptomatic but can result in death if it bursts. Type 3 is caused by a genetic defect on chromosome 9p21....more »
    629. Aortic aneurysm, familial thoracic 1
     A rare familial disorder where the aorta has a weak, bulging portion. The condition is asymptomatic but can result in death if it bursts. Type 1 is caused by a genetic defect on chromosome 11q23.3-q24....more »
    630. Aortic aneurysm, familial thoracic 2
     A rare familial disorder where the aorta has a weak, bulging portion. The condition is asymptomatic but can result in death if it bursts. Type 2 is caused by a genetic defect on chromosome 5q13-q14....more »
    631. Aortic aneurysm, familial thoracic 3
     A rare familial disorder where the aorta has a weak, bulging portion. The condition is asymptomatic but can result in death if it bursts. Type 3 is caused by a genetic defect on chromosome 3p22....more »
    632. Aortic aneurysm, familial thoracic 4
     A rare familial disorder where the aorta has a weak, bulging portion. The condition is asymptomatic but can result in death if it bursts. Type 4 also involves another heart defect (patent ductus arteriosus) and is caused by a genetic defect on chromosome ...more »
    633. Aortic aneurysm, familial thoracic 5
     A rare familial disorder where the aorta has a weak, bulging portion. The condition is asymptomatic but can result in death if it bursts. Type 5 is caused by a genetic defect on chromosome 9q33-q34....more »
    634. Aortic arches defect
     A defect in the top part of the aorta (aortic arch) that consists of several arterial branches. There is a variety of defects that can occur and symptoms will be determined by the particular defect involved. Possible types of defects includes aortic coarc...more »
    635. Aortic coarctation
     A rare inherited birth defect where the heart blood vessel called the aorta has a narrowed area which affects blood flow. The degree of constriction is variable which mild cases asymptomatic until adulthood. The poor blood flow to the lower body gives res...more »
    636. Aortic dilatation- joint hypermobility- arterial tortuosity
     A rare syndrome characterized by the dilation of the aortic root, hyperextensible joints and varicose veins...more »
    637. Aortic dissection
     A tear in the inner layer of the aorta (major artery in the body) which allows blood to escape into outer layers of the artery....more »
    638. Aortic stenosis
     A condition which affects the aortic valve of the heart resulting in stenosis of the valve....more »
    639. Aortic valve disease
     Disease of the heart's aortic valve...more »
    640. Aortic valve incompetence
     A condition characterized by an inability of the aortic valve to function effectively...more »
    641. Aortic valve stenosis
     A congenital condition involving a malformation of the valve that controls the blood flow of the main heart vessel (aorta). The valve doesn't open enough to allow sufficient blood to flow through the aorta which reduces the supply of oxygenated blood to t...more »
    642. Aortic valves stenosis of the child
     A birth defect where the aortic valve is abnormally narrow or unable to fully open. Depending on the degree of narrowing, the symptoms may range from severe to asymptomatic....more »
    643. Apeirophobia
     An exaggerated or irrational fear of infinity....more »
    644. Aphakia
     Absent eye lens. The disorder may be present at birth or result from such things as lens dislocation, cataract surgery, ulcer or trauma....more »
    645. Aphalangy -- hemivertebrae -- urogenital-intestinal dysgenesis
     A rare congenital disorder characterized by missing fingers and toes, abnormal vertebrae and various malformations of the organs....more »
    646. Apiophobia
     An exaggerated or irrational fear of bees....more »
    647. Aplasia cutis congenita -- epibulbar dermoids
     A very rare syndrome characterized by increased skin pigmentation, a localized absence of skin (aplasia cutis congenital) and epibulbar dermoids (a benign eye tumor)....more »
    648. Apnea
     Cessation of breathing. Apnea can be caused by neurological diseases, strangulation, drugs and airway obstruction....more »
    649. Apnea of infancy (AOI)
     Temporary cessation of breathing in infants (under one year old) for longer than 15-20 seconds. The infants are not premature....more »
    650. Apolipoprotein C 2I deficiency
     A rare inherited condition where a deficiency of apolipoprotein C-II impairs lipoprotein metabolism and results in a build up of chylomicrons and VLDL....more »
    651. Appendiceal tumor
     A tumor of the appendix. The condition is often misdiagnosed as acute appendicitis. The cancer usually metastasizes from other sites and rarely starts in the appendix....more »
    652. Appendicitis/acute appendicitis/chronic appendicitis
    653. Appendix cancer
     Cancer of the appendix. The cancer usually metastasizes from other sites and rarely starts in the appendix....more »
    654. Appendix disorders
     Disorders that affect the appendix...more »
    655. Apple seed poisoning
     Apple seeds contain a toxic chemical called amygdalin which can cause serious symptoms if eaten in large quantities. Hospital admission is recommended if more than 50 apple seeds have been consumed....more »
    656. Apricot seed poisoning
     Apricot seeds contain a chemical called amygdalin which breaks down into cyanide in the human body. The toxic chemicals are not released if the pit remains intact and therefore poisoning usually occurs if the seeds are crushed and eaten. Accidental ingest...more »
    657. Arachibutyrophobia
     An exaggerated or irrational fear of peanut butter sticking to the roof of the mouth....more »
    658. Arachnephobia
     An exaggerated or irrational fear of spiders....more »
    659. Arachnidism
     Poisoning from a spider bite....more »
    660. Arachnodactyly -- ataxia -- cataract -- aminoaciduria -- mental retardation
     A rare syndrome characterized mainly by congenital cataracts, ataxia, mental retardation, abnormal amino acid metabolism and long, thin fingers....more »
    661. Arachnoid Cysts
     A rare disorder involving a fluid-filled cysts on the arachnoid membrane which is one of the thin layers of tissue that form a membrane which covers the spinal cord and brain. The type and severity of symptoms is determined by the size and location of the...more »
    662. Arachnoiditis
     A progressive disorder where the arachnoid membrane becomes inflamed and the brain and spinal cord may also become inflamed....more »
    663. Aralia poisoning
     Aralia is an evergreen shrub which produces clusters of small white flowers. The plant originated in Asia and Africa. The plant contains a toxic chemical called saponic glycoside and can cause skin irritation if skin contact occurs or other symptoms if ea...more »
    664. Arbovirosis
     An infectious disease caused by an arbovirus. The virus is transmitted by arthropods such as insects and ticks. Examples of arboviruses include Yellow Fever, Japanese encephalitis and tick-borne encephalitis. The symptoms may vary depending on the type of...more »
    665. Arbovirus
     Any group of viruses transmitted to humans by mosquitoes and ticks...more »
    666. Arcobacter butzleri infection
     A bacterial infection that involves bacteria from the Arcobacter genus. It tends to cause gastrointestinal symptoms but may also cause blood infections. The bacteria tends to originate in pigs, cattle, sheep and water....more »
    667. Arcobacter cryaerophilus infection
     A bacterial infection that involves bacteria from the Arcobacter genus. It tends to cause gastrointestinal symptoms but may also cause blood infections. The bacteria tends to originate in pigs, cattle, sheep and water....more »
    668. Arcobacter infection
     A bacterial infection that involves bacteria from the Arcobacter genus. It tends to cause gastrointestinal symptoms but may also cause blood infections. The bacteria tends to originate in pigs, cattle, sheep and water....more »
    669. Arctic bearded seal poisoning
     The Arctic Bearded seal is often used as a food source by the arctic inhabitants. Eating the liver and kidneys of the arctic bearded seal can result in a Vitamin A overdose which can cause serious symptoms and even death in extreme cases. It is believed t...more »
    670. Arenavirus
     A genus of viruses of the family Arenaviridae...more »
    671. Arenaviruses
     Rare viral infection usually caught from rodents....more »
    672. Argentinean hemorrhagic fever
     An infectious disease caused by the Junin virus. Transmission can occur through contact with infected rodent (usually the corn mouse) urine, feces or saliva. The incubation period lasts from one to two weeks. The disease is most common in rural workers in...more »
    673. Arima syndrome
     A rare disorder characterized mainly by eye and brain abnormalities....more »
    674. Arizona Bark Scorpion poisoning
     A bite from the Arizona Bark scorpion contains chemicals toxic to the nerve system and can cause serious, life-threatening symptoms....more »
    675. Arm conditions
     Conditions that affect the arm...more »
    676. Arm fracture
     Fracture of bones in the arm....more »
    677. Arm injury
     An injury to the arm...more »
    678. Arnold-Chiari Malformation (Type 1)
     A rare malformation where the base of the brain enters into the upper spinal canal....more »
    679. Arnold-Chiari malformation type 2
     A rare malformation where the base of the brain enters into the upper spinal canal. The extent of the deformity is greater in type 2 than type 1 and hence the symptoms are more severe and are often associated with a myelomeningocele (opening of the spine ...more »
    680. Arnold-Chiari malformation type 3
     An extremely rare malformation where the base of the brain enters into the upper spinal canal. Type 3 involves the herniation of brain or brain stem tissue out of the back of the neck or head. The condition generally has a poor prognosis....more »
    681. Arnold-Chiari malformation type 4
     Arnold-Chiari malformation is a rare malformation where the base of the brain enters into the upper spinal canal. Type 4 actually involves a lack of development of a portion of the base of the brain (cerebellum). The prognosis is very poor with death ofte...more »
    682. Aromatic amino acid decarboxylase deficiency
     A rare inborn error of metabolism involving the deficiency of an enzyme (aromatic L-amino acid decarboxylase) needed to process aromatic amino acids. This results in a deficiency of neurotransmitters such as dopamine and serotonin. The condition manifests...more »
    683. Arrhythmogenic right ventricular dysplasia
     A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood....more »
    684. Arrhythmogenic right ventricular dysplasia, familial, 1
     A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and ...more »
    685. Arrhythmogenic right ventricular dysplasia, familial, 10
     A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and ...more »
    686. Arrhythmogenic right ventricular dysplasia, familial, 11
     A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and ...more »
    687. Arrhythmogenic right ventricular dysplasia, familial, 12
     A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and ...more »
    688. Arrhythmogenic right ventricular dysplasia, familial, 2
     A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and ...more »
    689. Arrhythmogenic right ventricular dysplasia, familial, 3
     A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and ...more »
    690. Arrhythmogenic right ventricular dysplasia, familial, 4
     A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and ...more »
    691. Arrhythmogenic right ventricular dysplasia, familial, 5
     A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and ...more »
    692. Arrhythmogenic right ventricular dysplasia, familial, 6
     A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and ...more »
    693. Arrhythmogenic right ventricular dysplasia, familial, 7
     A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and ...more »
    694. Arrhythmogenic right ventricular dysplasia, familial, 8
     A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and ...more »
    695. Arrhythmogenic right ventricular dysplasia, familial, 9
     A rare heart muscle disease where the muscle tissue of the right ventricle of the heart is replaced by fibrous or fatty tissue which affects the ability of the heart to pump blood. Some patients are asymptomatic and whereas others experience symptoms and ...more »
    696. Arterial dissections with lentiginosis
     A rare familial syndrome characterized by the association of aortic dissection and multiple lentigines (brown skin spots). The aorta can rupture in some cases and result in sudden death....more »
    697. Arterial insufficiency
     When amount of blood flowing through an artery is insufficient to meet the needs of the tissue....more »
    698. Arterial occlusive disease
     A condition which is characterized by occlusion of arterioles...more »
    699. Arteriosclerosis Obliterans
     Arteriosclerosis that results in the narrowing and gradual blockage of the artery. Arteriosclerosis involves the deposition of cholesterol plaques and other material on the inside of the artery walls. The symptoms will depend on the location of the arteri...more »
    700. Arteriovenous Malformation
     Birth defect of a tangle of veins and arteries....more »
    701. Artery conditions
     Any conditions affecting arteries...more »
    702. Arthralgia
     Pain in the joints, often a symptom of arthritis....more »
    703. Arthralgia -- purpura -- weakness syndrome
     A rare autoimmune disorder characterized mainly by weakness, joint pain, reddish or purplish skin discolorations and a blood abnormality where cryoglobulins in the blood precipitate at low temperatures....more »
    704. Arthralgia similar to that in rheumatoid arthritis
     Pain in the joints similar to that of rheumatoid arthritis....more »
    705. Arthritis -- short stature -- deafness
     A very rare syndrome characterized by arthritis, short stature, deafness and numerous other abnormalities....more »
    706. Arthritis pain
     Arthritis is inflammation of one or more joints, which results in pain, swelling, stiffness, and limited movement....more »
    707. Arthritis, Gouty
     Joint pain and inflammation (arthritis) caused by gout (buildup of urate crystals). The big toe is most commonly affected but other joints may also be affected e.g. foot, ankle, elbow, wrist, knee and fingers. Usually only one joint is affected at a time....more »
    708. Arthritis-like conditions
     Medical conditions highly related to or similar to arthritis....more »
    709. Arthritis-related enthesitis
     Inflammation of the entheses due to arthritis. The enthuses is the site at which the tendon or ligament attaches to the bone....more »
    710. Arthrogryposis -- epileptic seizures -- migrational brain disorder
     A rare disorder characterized by congenital joint contractures, epileptic seizures and brain development abnormalities. It can be caused by fetal exposure to alcohol or chemical products....more »
    711. Arthrogryposis -- ophthalmoplegia -- retinopathy
     A very rare syndrome characterized by congenital contractures of the hands and feet as well as eye problems....more »
    712. Arthrogryposis -- spinal muscular atrophy
     A group of inherited motor neuron diseases involving progressive muscle weakness and wasting due to degeneration of motor neurons in the spinal cord. Joint contractures are also present at birth....more »
    713. Arthrogryposis multiplex congenita -- pulmonary hypoplasia
     A rare congenital syndrome involving degeneration of the brain and spinal cord and characterized by facial, head, skeletal and muscular abnormalities. Reduced fetal activity causes many of the problems....more »
    714. Arthrogryposis multiplex with deafness, inguinal hernias, and early death
     A rare syndrome characterized multiple joint contractures throughout the body, deafness, inguinal hernias and death usually within months of birth....more »
    715. Arthrogryposis-like disorder
     A rare disorder characterized by joint contractures of the knees and ankles resulting in wasting or overgrowth of nearby muscles....more »
    716. Arthropathy, Neurogenic
     Joint destruction caused by damage to the nervous system which prevents the patient feeling sensations in the joint. Due to the nerve damage, pain and damage to the joint often goes unnoticed as the joint deteriorates even further. The knee and ankle are ...more »
    717. Arthropathy, progressive pseudorheumatoid, of childhood
     A form of progressive rheumatoid arthritis that affects children....more »
    718. Asbestos conditions
     Medical conditions caused be exposure to asbestos dust...more »
    719. Asbestosis
     Lung condition from asbestos exposure...more »
    720. Ascaridida Infections
     Infection with parasitic nematodes from the Ascaridida family. Specific infections include ascariasis, toxoscariasis and anisakiasis. Symptoms may vary depending on the specific nematode involved and the location of the infection....more »
    721. Ascaris lumbricoides
     Common roundworm infecting human intestines. Causing restlessness, fever, diarrhea....more »
    722. Ascites
     Fluid accumulation in abdominal cavity...more »
    723. Aseptic abscesses syndrome
     A rare syndrome involving the development of deep, sterile lesions containing neutrophils. The lesions don't respond to antibiotics but do respond to corticosteroid therapy. The abscesses usually occur in the abdomen and are often associated with conditio...more »
    724. Aseptic osteitis (generic term)
     A non-infectious inflammation of the bone. Any bone may be affected...more »
    725. Asherman's syndrome
     Scarring and adhesions that develop in the uterus and can result in menstrual and fertility problems....more »
    726. Asherson syndrome
     The failure of a muscle at the top of the esophagus to relax and allow food and liquid to pass through. Liquid and even food may accidentally be inhaled and can lead to pneumonia and death in some cases....more »
    727. Asian Dendorlimus pini caterpillar poisoning
     A chronic illness caused by contact with certain a poisonous caterpillar called Dendorlimus pini. Contact with the cocoon can also cause symptoms. These caterpillars can be found in Asia, north Africa and eastern Europe....more »
    728. Asiatic porpoise poisoning
     The Asiatic porpoise is eaten mainly in China. Eating the liver, internal organs and muscle tissue of the Asiatic porpoise can cause poisoning symptoms in humans if sufficient quantities are consumed. The nature of the toxin is unknown but it is believed ...more »
    729. Asparagus Fern poisoning
     The asparagus fern is a slightly woody plant with a fern-like foliage. It has yellow-green fruit and bright red berries. The plant originated in South Arica. Skin contact with the plant sap can result in skin irritation and eating the berries can cause ga...more »
    730. Aspergillosis
     Infection with a fungus called Aspergillus....more »
    731. Aspergillus niger infection
     A rare fungal infection that often causes a black mould to appear on some fruit and vegetables but may also infect humans through inhalation of fungal spores....more »
    732. Asphyxia
     Inability to breath and suffocation...more »
    733. Asphyxia neonatorum
     A condition where a newborn infant fails to start breathing on its own in the minutes following birth....more »
    734. Aspirin-induced asthma
     Aspirin-induced asthma refers to inflammation and constriction of the airways that is triggered by the use of aspirin. A significant number of patients with aspirin-induced asthma also have steroid-dependant asthma where they require regular steroidal ast...more »
    735. Asrar-Facharzt-Haque syndrome
     A form of sinus histiocytosis characterized by lymphadenopathy as well as involvement of other tissues such as the sinus cavity, skin, lungs, bone, eyes, kidneys, testes, head and neck area and the central nervous system. Symptoms vary according to the or...more »
    736. Asteatotic dermatitis
     An itchy eczema-like skin condition involving areas of superficial cracking and mild peeling of the skin. Older people who bathe excessive in hot soapy water and live in houses with a high temperature and low humidity are the most prone to this condition....more »
    737. Asthenophobia
     An exaggerated or irrational fear of weakness or fainting....more »
    738. Asthma
     Repeated attacks of breathing difficulty....more »
    739. Asthma in Adults
    740. Asthma in Children
    741. Asthma in pregnancy
     Asthma in pregnancy refers to inflammation and constriction of the airways that is occurs during pregnancy. Women who are pregnancy may decide to stop taking their asthma medication in order to reduce the perceived risk of side effects to the developing f...more »
    742. Asthma related cough
     Cough-variant asthma is a type of asthma in which the main symptom is a dry, non-productive cough. Cough-variant asthma is sometimes called chronic cough to describe a cough that has lasted longer than six to eight weeks....more »
    743. Asthma, Exercise-Induced
     Breathing problems caused by exercise. Patients who suffer from asthma and allergic rhinitis are particularly prone to the condition. Factors such as reduced humidity, cold temperatures, high levels of pollen, poor physical fitness, respiratory infections...more »
    744. Asthma-like conditions
     Medical conditions similar to asthma, or having similar symptoms....more »
    745. Asthma-like cough symptoms
     Asthma is a chronic disease causing airway constriction along with inflammation and excess collection of mucus in the airways leading to breathing difficulty....more »
    746. Asthma-related traits, susceptibility to, 1
     An increased risk of asthma-related traits such as wheezing and atopic dermatitis are linked to a defect on chromosome 14q22.1....more »
    747. Asthma-related traits, susceptibility to, 2
     An increased risk of asthma-related traits such as wheezing and atopic dermatitis are linked to a defect on chromosome 7p15-p14....more »
    748. Asthma-related traits, susceptibility to, 3
     An increased risk of asthma-related traits such as wheezing and atopic dermatitis are linked to a defect on chromosome 2p16....more »
    749. Asthma-related traits, susceptibility to, 4
     An increased risk of asthma-related traits such as wheezing and atopic dermatitis are linked to a defect on chromosome 1p31....more »
    750. Asthma-related traits, susceptibility to, 5
     An increased risk of asthma-related traits such as wheezing and atopic dermatitis are linked to a defect on chromosome 12q14.3....more »
    751. Asthma-related traits, susceptibility to, 6
     An increased risk of asthma-related traits such as wheezing and atopic dermatitis are linked to a defect on chromosome 17q21....more »
    752. Asthma-related traits, susceptibility to, 7
     An increased risk of asthma-related traits such as wheezing and atopic dermatitis are linked to a defect on chromosome 1q32.1....more »
    753. Asthmatic Bronchitis
     A variant of asthma where cough, either chronic or during an exacerbation following a viral infection, is the main or only symptom...more »
    754. Astigmatism
     Vision impairment from irregularly shaped eye cornea or lens....more »
    755. Astraphobia
     An exaggerated or irrational fear of lightning and thunder....more »
    756. Astrocytoma
     A malignant tumour of the nervous system composed of astrocytes....more »
    757. Astrophobia
     An exaggerated or irrational fear of stars and celestial space....more »
    758. Astrovirus
     An RNA virus that may affect the gastrointestinal system...more »
    759. Astroviruses
    760. Asymmetric septal hypertrophy
     A disease of the heart muscle characterized by increased thickness of the wall of the heart ventricle which affects the hearts function....more »
    761. Atamasco lily poisoning
     The atamasco lily is a bulbous plant with long thin leaves and single white or pink flowers. The plant originated in the US. All parts of the plant contain a toxic chemical called lycorine as well as alkaloids. The bulb is the most toxic part of the plant...more »
    762. Ataxia Telangiectasia
     A rare inherited childhood disorder involving progressive degeneration of the nervous system....more »
    763. Ataxia, Hereditary, Autosomal Dominant
     A group of rare, dominantly inherited neuromuscular disorder involving degeneration of the brain and spinal cord. The range, progression and severity of symptoms can vary quite considerably depending on the genetic defect involved....more »
    764. Ataxia, episodic -- vertigo -- tinnitus -- myokymia
     A rare genetic disorder characterized by episodes of incoordination and unsteadiness as well as tinnitus and vertigo. Stress, exhaustion, sudden movements and exertion may trigger the episodes. It is caused by a defect on chromosome 1q42....more »
    765. Ataxiophobia
     An exaggerated or irrational fear of muscular incoordination (ataxia). This disorder is not to be confused with ataxophobia which is a fear of disorder or untidiness....more »
    766. Ataxophobia
     An exaggerated or irrational fear of disorder or untidiness. This disorder is not to be confused with ataxiophobia which is a fear of muscular incoordination (ataxia)....more »
    767. Atelectasis
     Collapse of lung tissue affecting part or all of one lung. Atelectasis may be an acute or chronic condition. In acute atelectasis, the lung has recently collapsed and is primarily notable only for airlessness. In chronic atelectasis, the affected area is ...more »
    768. Atelophobia
     An exaggerated or irrational fear of imperfection....more »
    769. Atelosteogenesis Type III
     A very rare inherited skeletal ossification disorder. Unlike types I and II, survival past infancy is possible in type III....more »
    770. Atenolol -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Atenolol during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exp...more »
    771. Atephobia
     An exaggerated or irrational fear of ruin....more »
    772. Athabaskan severe combined immunodeficiency
     A severe immunodeficiency disorder found in Navajo and Apache populations....more »
    773. Atheroma
     A region of plaque occurring in atherosclerosis...more »
    774. Atherosclerosis
     Atherosclerosis is a syndrome affecting arterial blood vessels. It is a chronic inflammatory response in the walls of arteries, in large part due to the accumulation of macrophage white blood cells and promoted by low density (especially small particle) l...more »
    775. Athlete's foot
     Fungal skin condition typically of feet or toes....more »
    776. Athyrotic hypothyroidism sequence
     A rare congenital disorder characterized by a thyroid gland defect....more »
    777. Ativan overdose
     Ativan is a prescription drug mainly used to treat anxiety. Excessive doses of the drug can result in various symptoms and even death in severe cases....more »
    778. Ativan withdrawal
     Symptoms that occur when Ativan (Lorazepam) use is discontinued or reduced. Ativan is an anti-anxiety drug. Symptoms may vary depending on the level of dependence....more »
    779. Atlantic Poison oak poisoning
     Atlantic Poison oak is a tall shrub which has a distinctive leaf shape. It is often found growing in the wild. The leaves have small clumps of hairs on the underside. The plant contains a chemical called urushiol which can cause severe skin irritation in ...more »
    780. Atlantic mussel food poisoning
     Atlantic mussels contain a toxin called domoic acid which can affect nerve tissue. The mussels are found in the North Atlantic and Pacific coast and the Gulf of Mexico....more »
    781. Atlanto-Axial Fusion
     A congenital anomaly where the first neck vertebrae is fused to the skull....more »
    782. Atopic asthma
     Atopic asthma is one of the most common forms of asthma and is triggered by exposure to an allergen. Upon exposure to the allergen, the airways become constricted and inflamed which affects breathing. The severity of symptoms is variable. This form of ast...more »
    783. Atopic dermatitis 1
     Atopic dermatitis is a skin disorder characterized by chronic inflammation and itching. Dry, red, itchy patches of skin tend to develop most often in the folds of the arms and knees, wrists, face and hands. Atopic dermatitis often runs in a family which m...more »
    784. Atopic dermatitis 2
     Atopic dermatitis is a skin disorder characterized by chronic inflammation and itching. Dry, red, itchy patches of skin tend to develop most often in the folds of the arms and knees, wrists, face and hands. Atopic dermatitis often runs in a family which m...more »
    785. Atopic dermatitis 3
     Atopic dermatitis is a skin disorder characterized by chronic inflammation and itching. Dry, red, itchy patches of skin tend to develop most often in the folds of the arms and knees, wrists, face and hands. Atopic dermatitis often runs in a family which m...more »
    786. Atopic dermatitis 4
     Atopic dermatitis is a skin disorder characterized by chronic inflammation and itching. Dry, red, itchy patches of skin tend to develop most often in the folds of the arms and knees, wrists, face and hands. Atopic dermatitis often runs in a family which m...more »
    787. Atopic dermatitis 5
     Atopic dermatitis is a skin disorder characterized by chronic inflammation and itching. Dry, red, itchy patches of skin tend to develop most often in the folds of the arms and knees, wrists, face and hands. Atopic dermatitis often runs in a family which m...more »
    788. Atopic dermatitis 6
     Atopic dermatitis is a skin disorder characterized by chronic inflammation and itching. Dry, red, itchy patches of skin tend to develop most often in the folds of the arms and knees, wrists, face and hands. Atopic dermatitis often runs in a family which m...more »
    789. Atorvastatin -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Atorvastatin during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of...more »
    790. Atransferrinemia
     A rare inherited condition characterized by the absence of a compound called transferring which results in a buildup of iron in the body's tissues as well as anemia....more »
    791. Atresia of urethra
     A rare congenital malformation where the urethra ends blindly which makes it unuseable by the body to eliminate urine. This usually results in death unless surgical intervention provides alternative communication between the bladder and the amniotic sac. ...more »
    792. Atrial Fibrillation
     Common heart arrythmia with rapid beating in upper chambers...more »
    793. Atrial Fibrillation, Familial 2
     A rare inherited condition where abnormal electrical activity in the heart causes it to have a fast and irregular beat. The condition may go unnoticed or may cause stroke or sudden death in some cases. Type 2 is linked to a genetic defect on chromosome 6q...more »
    794. Atrial Fibrillation, Familial 3
     A rare inherited condition where abnormal electrical activity in the heart causes it to have a fast and irregular beat. The condition may go unnoticed or may cause stroke or sudden death in some cases. Type 3 is linked to a genetic defect on chromosome 11...more »
    795. Atrial Fibrillation, Familial 4
     A rare inherited condition where abnormal electrical activity in the heart causes it to have a fast and irregular beat. The condition may go unnoticed or may cause stroke or sudden death in some cases. Type 4 is linked to a genetic defect on chromosome 21...more »
    796. Atrial Fibrillation, Familial 5
     A rare inherited condition where abnormal electrical activity in the heart causes it to have a fast and irregular beat. The condition may go unnoticed or may cause stroke or sudden death in some cases. Type 5 is linked to a genetic defect on chromosome 4q...more »
    797. Atrial Fibrillation, Familial 6
     A rare inherited condition where abnormal electrical activity in the heart causes it to have a fast and irregular beat. The condition may go unnoticed or may cause stroke or sudden death in some cases. Type 6 is linked to a genetic defect on chromosome 1p...more »
    798. Atrial Fibrillation, Familial 7
     A rare inherited condition where abnormal electrical activity in the heart causes it to have a fast and irregular beat. The condition may go unnoticed or may cause stroke or sudden death in some cases. Type 7 is linked to a genetic defect on chromosome 12...more »
    799. Atrial Fibrillation, Familial 8
     A rare inherited condition where abnormal electrical activity in the heart causes it to have a fast and irregular beat. The condition may go unnoticed or may cause stroke or sudden death in some cases. Type 8 is linked to a genetic defect on chromosome 16...more »
    800. Atrial Septal Defect
     An abnormal connection between the 2 atria, or upper chambers of the heart...more »
    801. Atrial Septal Defect 3
     A rare heart malformation involving the presence of an abnormal opening between the two atrial chambers of the heart which allows abnormal mixing of oxygenated and deoxygenated blood. The severity of the symptoms depends on the size and location of the de...more »
    802. Atrial Septal Defect 4
     A rare heart malformation involving the presence of an abnormal opening between the two atrial chambers of the heart which allows abnormal mixing of oxygenated and deoxygenated blood. The severity of the symptoms depends on the size and location of the de...more »
    803. Atrial Septal Defect 5
     A rare heart malformation involving the presence of an abnormal opening between the two atrial chambers of the heart which allows abnormal mixing of oxygenated and deoxygenated blood. The severity of the symptoms depends on the size and location of the de...more »
    804. Atrial Septal Defect 6
     A rare heart malformation involving the presence of an abnormal opening between the two atrial chambers of the heart which allows abnormal mixing of oxygenated and deoxygenated blood. The severity of the symptoms depends on the size and location of the de...more »
    805. Atrial arrhythmia
     Arrhythmia arising in the atrium....more »
    806. Atrial fibrillation, familial 1
     A dominantly inherited condition where abnormal electrical activity in the heart causes it to have a fast and irregular beat. The condition may go unnoticed or may cause stroke or sudden death in some cases....more »
    807. Atrial flutter
     Heart arrhythmia where atria beat more often than ventricles...more »
    808. Atrial myxoma, familial
     An atrial myxoma benign tumor that develops in the wall that separates the two upper chambers of the heart. The familial form of the condition also involves tumors in other parts of the body such as the skin, both heart atria or the heart ventricles....more »
    809. Atrial septal defect 1
     A rare heart malformation involving the presence of an abnormal opening between the two atrial chambers of the heart which allows abnormal mixing of oxygenated and deoxygenated blood. The severity of the symptoms depends on the size and location of the de...more »
    810. Atrial septal defect 2
     A rare heart malformation involving the presence of an abnormal opening between the two atrial chambers of the heart which allows abnormal mixing of oxygenated and deoxygenated blood. The severity of the symptoms depends on the size and location of the de...more »
    811. Atrioventricular Septal Defects
     Defect in the wall between the atrium and ventricle....more »
    812. Atrioventricular septal defect
     A congenital heart defect where the valves and walls between the upper and lower heart chambers (atrial and ventricular septa and the atrioventricular valves) don't develop properly. Symptoms are determined by the severity of the malformation....more »
    813. Atrophic vaginitis
     Type of vaginitis usually related to aging and menopause...more »
    814. Attenuated familial polyposis
     A genetic condition characterized by the development of adenomatous polyps mainly in the colon and rectum. There may be hundreds or thousands of polyps and these polyps have a predisposition for becoming cancerous. The attenuated form of the condition is ...more »
    815. Atypical coarctation of aorta
     Coarctation of the aorta is a rare inherited birth defect where the heart blood vessel called the aorta has a narrowed area which affects blood flow. The degree of constriction is variable which mild cases asymptomatic until adulthood. The poor blood flow...more »
    816. Atypical pyridoxine-dependent seizures
     A form of epilepsy which responds to anticonvulsant therapy for only a period of time but are able to be managed by pyridoxine supplementation after a few months. Seizures may disappear for a few months even after pyridoxine supplementation is ceased....more »
    817. Auditory neuropathy
     A hearing disorder caused by impaired nerve signals from the inner part of the ear to the brain....more »
    818. Aulophobia
     An exaggerated or irrational fear of flutes....more »
    819. Aureobasidium exposure
     Aureobasidium is a type of fungus which is capable of causing a variety of diseases in humans. The fungus is most often found in damp places either inside the home or in the environment. It is often pinkish or blackish. It is a rare cause of disease and i...more »
    820. Aureobasidium pullulans exposure
     Aureobasidium pullulans is a species of fungus which is capable of causing a variety of diseases in humans. The fungus is most often found in damp places either inside the home or in the environment. It is often pinkish or blackish. It is a rare cause of ...more »
    821. Auriculo-condylar syndrome
     A rare syndrome characterized by variable ear and jaw abnormalities....more »
    822. Aurophobia
     An exaggerated or irrational dislike of gold....more »
    823. Auroraphobia
     An exaggerated or irrational fear of Auroral lights....more »
    824. Ausrian triad
     The association of pneumococcal pneumonia, meningitis and endocarditis....more »
    825. Australian Sea Lion poisoning
     The Australian Sea Lion is sometimes used as a food source and is found in the South-Southwest waters of Australia. Eating the liver of the Australian Sea Lion can result in a Vitamin A overdose which can cause serious symptoms and even death in extreme c...more »
    826. Australian Umbrella Tree poisoning
     The Australian Umbrella tree is an evergreen shrub or tree which originated in Asia. The sap of the plant contains oxalate which can cause irritation symptoms. Skin contact with the sap from the plant can result in irritation and eating parts of the plant...more »
    827. Austrian syndrome
     A condition where alcoholism is associated with heart failure and pneumococcal meningitis....more »
    828. Autism
     Childhood mental condition with social and communication difficulties....more »
    829. Autism, Susceptibility to, 15
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    830. Autism, X-linked, susceptibility to, 1
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    831. Autism, X-linked, susceptibility to, 2
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    832. Autism, X-linked, susceptibility to, 3
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    833. Autism, susceptibility to, 1
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    834. Autism, susceptibility to, 10
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    835. Autism, susceptibility to, 11
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    836. Autism, susceptibility to, 12
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    837. Autism, susceptibility to, 13
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    838. Autism, susceptibility to, 14
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    839. Autism, susceptibility to, 3
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    840. Autism, susceptibility to, 4
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    841. Autism, susceptibility to, 5
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    842. Autism, susceptibility to, 6
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    843. Autism, susceptibility to, 7
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    844. Autism, susceptibility to, 8
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    845. Autism, susceptibility to, 9
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    846. Autoimmune Atherosclerosis
     The formation of atherosclerosis through an autoimmune process...more »
    847. Autoimmune Diseases of the Nervous System
     A group of diseases where the body's immune system attacks it's own nervous system. Examples includes opsoclonus myoclonus syndrome, Guillain-Barre syndrome and multiple sclerosis. Symptoms vary depending on which nerves are involved....more »
    848. Autoimmune Endometriosis
     An endometriosis that is caused by an autoimmune reaction...more »
    849. Autoimmune Hemolytic Anemia
     Autoimmune hemolytic anemia is characterized by an abnormal immune system response which leads to the destruction of red blood cells and hence anemia. The severity of the condition varies depending on the underlying cause e.g. cytomegalovirus, hepatitis, ...more »
    850. Autoimmune Hepatitis
     Liver inflammation caused due to autoimmune processes where the body's immune system attacks the liver....more »
    851. Autoimmune Hypophysitis
     Inflammation of part of the pituitary gland due to an autoimmune process resulting in impaired pituitary hormone production. The range and severity of symptoms is variable depending on the degree of damage to the pituitary gland....more »
    852. Autoimmune Inner Ear disease
     A rare disorder where the body's own immune system attacks the inner ear....more »
    853. Autoimmune Interstitial Cystitis
     Interstitial cystitis caused by an autoimmune reaction...more »
    854. Autoimmune Lymphoproliferative Syndrome
     An inherited autoimmune condition characterized by proliferation of lymphocytes and autoimmunity against the body's own blood cells resulting in premature death of certain blood cells....more »
    855. Autoimmune Myelopathy
     A disturbance functionally or pathological change in the spinal cord...more »
    856. Autoimmune Myocarditis
     Inflammation of the heart muscle due to the body's own immune system attacking it....more »
    857. Autoimmune Thrombocytopenia
     Autoimmune disorder causing a lack of blood platelets....more »
    858. Autoimmune Vasculitis
     A inflammation of the blood vessels caused by an autoimmune reaction...more »
    859. Autoimmune diseases
     A group of disorders in which the primary cause is the an inflammatory reaction caused by the body's own immune system attacking tissues...more »
    860. Autoimmune eye diseases
     Eye disease that is caused by an autoimmune disease...more »
    861. Autoimmune neuropathies
     Nerve diseases from autoimmune damage....more »
    862. Autoimmune oophoritis
     An autoimmune condition where the body's own immune system attacks the ovaries and causes them to become inflamed. It can lead to ovarian function stopping prematurely....more »
    863. Autoimmune orchitis
     A inflammation of the testicles caused by an autoimmune reaction...more »
    864. Autoimmune peripheral neuropathy
     Damage to peripheral nerves that occurs when the body's own immune system attacks it....more »
    865. Autoimmune thyroid disease associated Celiac Disease
     Patients with autoimmune thyroid disease are more susceptible to developing celiac disease than the average population. Celiac disease is an autoimmune disorder characterized by intolerance to gluten by the small intestine. The type and severity of sympto...more »
    866. Autoimmune uveitis
     Autoimmune inflammation of the eye's uvea....more »
    867. Automysophobia
     An exaggerated or irrational fear of being dirty....more »
    868. Autonomic Dysreflexia
     A complication of spinal cord injury where a particular stimulus can trigger an excessive response from the autonomic nervous system which causes blood pressure to rise - sometimes to dangerous levels. Stimuli that can trigger the response include bladder...more »
    869. Autonomic dysreflexia syndrome
     A complication caused by injury to the neck or upper back region of the spinal cord. Symptoms are induced by stimulation below the level of the injury which can be caused by such things as distended bladder, scratching the feet, squeezing the penis, stimu...more »
    870. Autonomic neuropathy
     A disorder of the nervous system concerned with regulation of activity of cardiac muscle, smooth muscle, and glands, usually restricted to the sympathetic and parasympathetic systems...more »
    871. Autophobia
     An exaggerated or irrational fear of being egotistical or being by oneself....more »
    872. Autosensitization dermatitis
     A skin reaction involving the development of a variety of skin lesions in response to infections (virus, bacteria, fungus, parasite), inflammatory skin conditions or other triggers. The skin reaction may vary considerable in appearance from itchy red skin...more »
    873. Autosomal Dominant Charcot-Marie-Tooth with hearing loss
     A dominantly inherited form of Charcot-Marie-Tooth disease which also involves hearing loss. Charcot-Marie-Tooth disease is a progressive nerve disease that affects the peripheral nerves and hence the muscles primarily in the limbs....more »
    874. Autosomal Recessive Polycystic Kidney Disease
     Severe form of PKD, a genetic kidney disease....more »
    875. Autosomal dominant polycystic kidney disease
     Genetic kidney disease causing kidney cysts....more »
    876. Autosomal recessive nonsyndromic congenital nuclear cataract
     A rare recessively inherited type of congenital cataract that is not associated with any other abnormality....more »
    877. Autumn crocus poisoning
     The Autumn crocus is a perennial herb which bears purplish-pink flowers. The plant is often used as an ornamental indoor or outdoor plant. The plant contains a chemical called colchicine which can be very poisonous if eaten. The plant is considered to be ...more »
    878. Avascular necrosis
     Bone death from lack of circulation....more »
    879. Avascular necrosis of femoral head, familial form
     A familial hip joint disorder where bone growth abnormalities caused by an interrupted blood supply to the head of the femoral bone results in it's degeneration and deformity. When the body creates a new blood supply, new healthy bone can be formed....more »
    880. Avasthey syndrome
     A very rare syndrome characterized by pulmonary hypertension, lymphedema and malformation of brain blood vessels....more »
    881. Avitaminosis
     A group of diseases caused by the deficiency of one or more vitamins e.g. Beriberi (thiamine deficiency), rickets (Vitamin D deficiency), pellagra (niacin deficiency), pernicious anemia (Vitamin B12), bleeding (vitamin K deficiency) and night blindness (a...more »
    882. Axenfeld-Rieger syndrome
     A rare genetic disorder characterized by underdeveloped or absent teeth and craniofacial and eye abnormalities. The range of symptoms that can occur is somewhat variable....more »
    883. Axial osteomalacia
     A rare bone disorder where an enzyme defect affects bone formation that primarily affects the ribs and iliac crest (hip bone)....more »
    884. Axial osteosclerosis
     A rare bone abnormality involving patches of increased bone density which tend to occur in the spine, pelvis and the ball part of the hip joint....more »
    885. Ayazi syndrome
     A very rare syndrome characterized by choroideremia (a degenerative disease of the retina), deafness and obesity....more »
    886. Azalea poisoning
     Bacillus cereus is a bacterium that can cause food poisoning symptoms such as vomiting and diarrhea. There are two types: Type I causes mainly vomiting and is associated with fried rice whereas type II causes mainly diarrhea and is associated with meats, ...more »
    887. Azarcon-induced lead poisoning
     Azarcon is a lead-containing tetraoxide salt used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Ch...more »
    888. Azotemia, familial
     A rare condition where high serum urea level is inherited in a familial pattern. The high level of urea occurs despite normal kidney function....more »
    889. B-cell chronic lymphocytic leukemia
     A slow progressing disease involving cancerous B-cell lymphocytes which take over the healthy cells in the lymph nodes. B-cells help the body to fight infections so when the disease becomes more advanced, the body is less able to fight infection as there ...more »
    890. BANF acoustic neurinoma
     A type of tumor that affects hearing and is associated with a condition called BANF (bilateral acoustic neurofibromatosis). The tumor is benign an occurs in the cells that form the myelin sheath of the vestibulocochlear nerve. The symptoms vary depending ...more »
    891. BBB syndrome, X-linked
     A rare genetic disorder characterized by defects along the midline of the body. The type and severity of symptoms can vary considerably. There are two subtypes of the disorder: type I is inherited in a X-linked manner and type II is inherited in an autoso...more »
    892. Ba Bow Sen-induced lead poisoning
     Ba Bow Sen is a folk remedy used mainly by Chinese people to treat childhood hyperactivity and to alleviate nightmares. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to...more »
    893. Baber's syndrome
     A very rare syndrome characterized by the association of congenital liver cirrhosis with Fanconi syndrome....more »
    894. Babesiosis
     A parastic infection by a particular protozoa (Babesia) which is transmitted through tick bites. The disease produces symptoms similar to malaria....more »
    895. Baby bottle nipples induced allergies
     Baby bottle nipples induced allergies are an adverse reaction by the body's immune system to the latex in Baby bottle nipples . Symptoms usually involve the mouth....more »
    896. Bacillophobia
     An exaggerated or irrational fear of missiles....more »
    897. Bacillus cereus type I food poisoning
     Bacillus cereus is a bacterium that can cause food poisoning symptoms such as vomiting and diarrhea. There are two types: Type I causes mainly vomiting and is associated with fried rice whereas type II causes mainly diarrhea and is associated with meats, ...more »
    898. Bacillus cereus type II food poisoning
     Bacillus cereus is a bacterium that can cause food poisoning symptoms such as vomiting and diarrhea. There are two types: Type I causes mainly vomiting and is associated with fried rice whereas type II causes mainly diarrhea and is associated with meats, ...more »
    899. Back Impairment
     An impairment of the function of the back...more »
    900. Back conditions
     A group of conditions that affect the back...more »
    901. Back injuries
     A term usually used to describe any musculoskeletal back injury - a common workplace occurrence....more »
    902. Back pain
     Pain from the back or spine....more »
    903. Back sprain
     Damage to ligaments in the back....more »
    904. Back tumour
     The presence of tumour growth in the vertebra, whether due to primary malignancies e.g. leukaemic or myeloma infiltration of the bone marrow, or due to secondary metastases from another site e.g. lung or breast....more »
    905. Backache
    906. Baclofen -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Baclofen during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exp...more »
    907. Bacterial appendicitis
     Appendicitis is inflammation of the inner lining of the vermiform appendix that spreads to its other parts. Appendicitis may occur for several reasons, such as an infection of the appendix, but the most important step is the obstruction of the appendiceal...more »
    908. Bacterial conjunctivitis
     Infection and inflammation of the conjunctiva caused by bacteria....more »
    909. Bacterial digestive infections
     Bacterial infections affecting the gastrointestinal...more »
    910. Bacterial endocarditis
     Infection and inflammation of the inner layers of the heart, most commonly the valves cause by bacteria....more »
    911. Bacterial pericarditis
     Inflammation and swelling of the pericardium (fibrous sac surrounding the heart) due to a bacterial infection. It can occur as a complication of a bacterial infection in some other part of the body. It is most often a complication of a respiratory infecti...more »
    912. Bacterial septicemia
     Sepsis of the bloodstream caused by bacteraemia....more »
    913. Bacterial toxic-shock syndrome
     A very rare, potentially fatal infection caused by toxins produced by bacteria, especially bacteria such as Staphylococcus aureus or Streptococcus pyogenes. The condition is often associated with tampon use but can originate from other sources....more »
    914. Bacteriophobia
     An exaggerated or irrational fear of bacteria....more »
    915. Bagassosis
     Inhalation of sugarcane dust particles in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to th...more »
    916. Bagassosis -- Thermoactinomyces sacchari
     Inhalation of sugarcane dust particles contaminated with fungus (Thermoactinomyces sacchari) in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result fr...more »
    917. Balance disorders
     Various disorders impairing the body's sense of balance....more »
    918. Balanitis
     Inflammation of the penis head (glans)...more »
    919. Balanitis xerotica obliterans
     Dermatological condition affecting male genetalia. Characterised by atrophic white patches and white indurarted tissue at the tip preventing retraction....more »
    920. Balantidiasis
     Intestinal infection with a parasitic protozoa (Balantidium coli) resulting in intestinal inflammation. It is usually transmitted through direct or indirect contact with pig fecal matter....more »
    921. Bali goli-induced lead poisoning
     Bali goli (flat black bean) is a folk remedy used mainly by Indian and Asian people to treat intestinal problems. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the e...more »
    922. Balloon cell metastatic melanoma
     Balloon cell melanoma, a variant of malignant melanoma, has been reported on rare occasions in animals and is uncommon in man. Such tumours have variable numbers of large, round to polygonal cells with abundant, clear, often vacuolated cytoplasm containin...more »
    923. Balsam apple poisoning
     The Balsam apple is a climbing vine which produces yellowish fruit. The fruit contains toxins - resin, saponic glycoside and alkaloids - which can cause various symptoms if eaten. Large amounts of the fruit or seeds to be consumed to cause toxicity. The l...more »
    924. Balsam pear poisoning
     The Balsam pear is a climbing vine which produces yellowish fruit. The fruit contains toxins - resin, saponic glycoside and alkaloids - which can cause various symptoms if eaten. Large amounts of the fruit or seeds to be consumed to cause toxicity. The le...more »
    925. Baltic myoclonic epilepsy
     A rare inherited type of progressive myoclonus epilepsy which tends to cause symptoms during childhood. The involuntary muscle movements tend to occur more frequently and become more severe with increasing age. Symptoms may occur following various stimuli...more »
    926. Baneberry poisoning
     Baneberries are toxic and can cause a skin reaction on contact or various poisoning symptoms....more »
    927. Banti Syndrome
     A rare conditions where chronic congestive spleen enlargement causes it to destroy red blood cells too early. The spleen becomes enlarged due to an obstruction of blood flow in the organ and the resulting increase in blood pressure....more »
    928. Banti's syndrome
     A rare condition where chronic congestive spleen enlargement causes it to destroy red blood cells too early. The spleen becomes enlarged due to an obstruction of blood flow in the organ and the resulting increase in blood pressure....more »
    929. Barakat syndrome
     A rare condition characterized by deafness, kidney disease and insufficiency parathyroid hormone production....more »
    930. Barbiturate abuse
     Abuse of barbiturate medications...more »
    931. Bardet-Biedl Syndrome
     A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities....more »
    932. Bardet-Biedl syndrome, type 1
     A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 1 is caused by a defect in chromosome 11q13....more »
    933. Bardet-Biedl syndrome, type 10
     A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 10 is caused by a defect in chromosome 12q....more »
    934. Bardet-Biedl syndrome, type 11
     A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 11 is caused by a defect in chromosome 9q33.1....more »
    935. Bardet-Biedl syndrome, type 12
     A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 12 is caused by a defect in chromosome 4q27....more »
    936. Bardet-Biedl syndrome, type 2
     A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 2 is caused by a defect in chromosome 16q21....more »
    937. Bardet-Biedl syndrome, type 3
     A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 3 is caused by a defect in chromosome 3p12-q13....more »
    938. Bardet-Biedl syndrome, type 4
     A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 4 is caused by a defect in chromosome 15q22.3....more »
    939. Bardet-Biedl syndrome, type 5
     A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 5 is caused by a defect in chromosome 2q31....more »
    940. Bardet-Biedl syndrome, type 6
     A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 6 is caused by a defect in chromosome 20p12....more »
    941. Bardet-Biedl syndrome, type 7
     A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 7 is caused by a defect in chromosome 4q27....more »
    942. Bardet-Biedl syndrome, type 8
     A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 8 is caused by a defect in chromosome 14q32.11....more »
    943. Bardet-Biedl syndrome, type 9
     A rare genetic disorder characterized by mental retardation, obesity, polydactyly and retinal pigmentation as well as other abnormalities. Type 9 is caused by a defect in chromosome 7p14....more »
    944. Baritosis
     A lung condition caused by breathing in barium dust or barium containing compounds. It is generally a benign condition that doesn't cause symptoms other than irritation....more »
    945. Barley Worker's disease -- Aspergillus spp.
     Inhalation of barley particles contaminated with fungus (Aspergillus spp.) in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immu...more »
    946. Barmah Forest virus
     Mosquito-borne virus in parts of Australia...more »
    947. Barophobia
     An exaggerated or irrational fear of gravity....more »
    948. Barotrauma
     Damage to the lungs, ear or sinuses caused by rapid or extreme changes in air pressure....more »
    949. Barre-Lieou syndrome
     A rare condition where trauma (such as pinching by adjacent vertebrae or arthritis) to the sympathetic nerves located in the spinal area of the neck results in a variety of neurological symptoms....more »
    950. Barrett syndrome
     Barrett's syndrome refers to cellular changes in the lower portion of the oesophagus as a result of chronic reflux. The changes in the cells of the esophagus can lead to cancer of the esophagus (adenocarcinoma)....more »
    951. Barrett's esophagus
     Damage to the cells lining the esophagus usually from refluxed acid....more »
    952. Barsony-Polgar syndrome 1
     Nerve pain associated with the hip. Pregnancy and physical activity can make symptoms worse....more »
    953. Bartholin's abscess
     Abscess in a small vaginal gland...more »
    954. Bartholin's cyst
     Cyst in a small vaginal gland...more »
    955. Bartonella infections
     Infection with bacteria from the Bartonella genus of bacteria. Specific bacteria from within this group are Bartonella bacilliforms (Oroya fever), Bartonella Heneslae (Cat-scratch disease). Other conditions caused by this bacteria are endocarditis, bacter...more »
    956. Bartonellosis due to Bartonella quintana infection
     A disease caused by infection with Bartonella quintana which are transmitted by the body louse. It causes trench fever but may also result in septicemia and endocarditis in patients with a weakened immune system....more »
    957. Bartschi-Rochaix syndrome
     A range of symptoms caused by compression of the cerebral artery....more »
    958. Bartter Syndrome
     A rare genetic disorder of kidney metabolism characterized by reduced blood acidity and low potassium levels....more »
    959. Bartter's syndrome, antenatal type 1
     A rare genetic kidney disorder that causes hypokalemia. A defect in the NKCC2 gene impairs the functioning of the Na-Cl cotransporter and leads to electrolyte imbalance. The rate of death is high prior to diagnosis....more »
    960. Bartters syndrome, antenatal , type 2
     A rare genetic kidney disorder that causes hypokalemia. A defect in the ROMK gene impairs the ATP-regulated potassium channel functioning and leads to electrolyte imbalance....more »
    961. Basan syndrome
     A rare condition characterized by skin, hair and nail abnormalities....more »
    962. Basilar artery insufficiency
     It refers to a temporary set of symptoms due to decreased blood flow in the posterior circulation of the brain....more »
    963. Basilar artery insufficiency syndrome
     A range of symptoms caused by impaired blood flow through the basilar artery. The symptoms may come and go according to variation in blood flow through the basilar artery. The blood flow may be impaired by such things as thrombosis, narrowed artery and bl...more »
    964. Basilar artery migraine
     Basilar migraine (BM), also known as Bickerstaff syndrome, consists of headache accompanied by dizziness, ataxia, tinnitus, decreased hearing, nausea and vomiting, dysarthria, diplopia, loss of balance, bilateral paresthesias or paresis, altered conscious...more »
    965. Basilar impression primary
     A congenital bone abnormality where the skull and vertebrae meet which can compress some of the brain structures and result in neurological abnormalities. The defect is often associated with other vertebral abnormalities. In severe cases, the cerebrospina...more »
    966. Bassoe syndrome
     A very rare syndrome characterized primarily by hypogonadism, cataracts during infancy and muscle weakness....more »
    967. Bathmophobia
     An exaggerated or irrational fear of walking....more »
    968. Bathophobia
     An exaggerated or irrational fear of depths. This can include a fear of lakes or long hallways....more »
    969. Batophobia
     An exaggerated or irrational fear of passing high buildings....more »
    970. Batrachophobia
     An exaggerated or irrational fear of frogs or toads....more »
    971. Battaglia Neri syndrome
     A very rare syndrome characterized by mental retardation, small head, epilepsy, coarse facial features and skeletal anomalies. Only two reported cases of this syndrome....more »
    972. Beardwell syndrome
     A very rare syndrome characterized primarily by abnormal calcium deposits along the vertebrae as well as the development of calluses on the palms and soles....more »
    973. Bearn-Kunkel syndrome
     A type of autoimmune liver disease characterized by liver damage, very high blood gammaglobulin levels and increased plasma cells....more »
    974. Bearsfoot hellebore poisoning
     The Bearsfoot hellebore is a relatively small, flowering evergreen plant which originated in Europe. All parts of the plant contain protoanemonin which can be toxic if large quantities are consumed....more »
    975. Beau's syndrome
     A syndrome characterized by heart insufficiency and inability of the heart ventricles to completely empty of blood....more »
    976. Bedsores
     Skin ulcers from prolonged pressure...more »
    977. Beeswax poisoning
     Beeswax can cause a gastrointestinal blockage if excessive quantities are eaten....more »
    978. Behcet's Disease
     Recurring inflammation of small blood vessels affecting various areas....more »
    979. Behr syndrome
     A rare inherited neurological condition characterized by spastic paraplegia and sometimes optic atrophy....more »
    980. Bejel
     An infectious disease caused by Treponema pallidum which is similar to the organism that causes syphilis but is not sexually transmitted....more »
    981. Bell's Palsy
     A usually temporary facial nerve disorder where a part or all of the face becomes suddenly paralysed....more »
    982. Belonephobia
     An exaggerated or irrational fear of pins and needles....more »
    983. Benazepril -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Benazepril during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of e...more »
    984. Bencze syndrome
     A rare inherited condition characterized mainly by abnormal, asymmetrical facial bone growth and eye problems in some cases....more »
    985. Benign Multiple Sclerosis
     Describes a type of relapsing-remitting multiple sclerosis in which few relapses occur. These relapses tend to produce sensory symptoms, which go away and leave very little or no residual damage or disability...more »
    986. Benign angiitis of the central nervous system
     A generally harmless inflammation of blood vessels that affect the central nervous system (brain and spinal cord)....more »
    987. Benign astrocytoma
     Benign tumors that occur in the brain or spinal cord. Symptoms and severity depends on the location and size of the tumors....more »
    988. Benign essential blepharospasm
     A neurological disorder where certain eye muscles fail to function properly....more »
    989. Benign familial infantile seizures 1
     A harmless form of epilepsy that occurs during infancy. Episodes of multiple seizures tend to occur over a day or few days. Psychomotor development is not affected. The seizures tend to involve increased muscle tone, apnea, cyanosis, eye deviation and psy...more »
    990. Benign intrahepatic cholestasis type 1
     A rare liver disorder characterized by intermittent episodes of cholestasis (impaired bile flow within the liver) that doesn't involve obstruction of bile ducts outside the liver. The jaundice tends to disappear in weeks or months without treatment and th...more »
    991. Benign intrahepatic cholestasis type 2
     A rare liver disorder characterized by intermittent episodes of cholestasis (impaired bile flow within the liver) that doesn't involve obstruction of bile ducts outside the liver. The jaundice tends to disappear in weeks or months without treatment and th...more »
    992. Benign lung Tumor
     Benign lung tumors are a heterogenous group of neoplastic lesions originating from pulmonary structures....more »
    993. Benign mucosal pemphigoid
     A rare chronic disease involving blistering and scarring of the mucous membranes especially in the mouth and conjunctiva of the eye....more »
    994. Benign paroxysmal torticollis of infancy
     A harmless condition characterized by recurring periods of head tilting resulting from dystonia (sustained muscle contractions) of the neck muscles. Other symptoms such as vomiting and irritability may also occur variably. Episodes tend to occur without a...more »
    995. Benign peptic ulcer
     Benign ulcer is erosion in the lining of the stomach....more »
    996. Benign tumor
     A tumor or growth that remains localized; not always harmless....more »
    997. Bentham-Driessen-Hanveld syndrome
     A rare syndrome characterized mainly by the association of undescended testes, long thin fingers and mental retardation....more »
    998. Benztropine -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Benztropine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of ...more »
    999. Benztropine Mesylate -- Teratogenic Agent
     Reports indicate that the use of Benztropine Mesylate during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred a...more »
    1000. Berardinelli-Seip congenital lipodystrophy
     A rare genetic disorder characterized by diabetes mellitus, loss of body fat, hepatomegaly, enlarged genitals, increased skeletal growth and other abnormalities....more »
    1001. Berardinelli-Seip congenital lipodystrophy, type 1
     A rare genetic disorder characterized by early-onset diabetes mellitus, loss of body fat, serious insulin resistance, high blood triglycerides and fatty liver. Type 1 is distinguished from type 2 by the origin of the genetic defect. Type 1 is caused by a ...more »
    1002. Berardinelli-Seip congenital lipodystrophy, type 2
     A rare genetic disorder characterized by early-onset diabetes mellitus, loss of body fat, serious insulin resistance, high blood triglycerides and fatty liver. Type 2 is distinguished from type 2 by the origin of the genetic defect. Type 2 is caused by a ...more »
    1003. Bergman syndrome
     A rare disorder which may be acquired or present at birth. A part of the stomach pushes above the diaphragm and compresses the chest organs which can produce various symptoms....more »
    1004. Beriberi
     Disease due to vitamin B1 deficiency (thiamine)...more »
    1005. Berk-Tabatznik syndrome
     A rare condition characterized by eye and skeletal problems....more »
    1006. Berlin Breakage syndrome
     A very rare syndrome characterized mainly by a small head, reduced immunity and increased risk of cancer. The features of this condition are virtually indistinguishable from the Nigmegen Breakage syndrome....more »
    1007. Bernard syndrome
     A familial condition characterized by acute anemia, jaundice, hemoglobinuria and destruction of red blood cells. Acute symptoms may follow an episode of fever, abdominal pain, vomiting, malaise and joint pain....more »
    1008. Bernard-Soulier Syndrome
     A rare inherited blood coagulation disorder caused by blood platelet abnormalities which results in easy bruising and excessive bleeding....more »
    1009. Bernheim syndrome
     Overgrowth of the left heart ventricle which results in the tissue separating the two ventricles pushing into the right ventricle. This results in obstruction of blood flow through the right heart ventricle and ultimately can lead to heart failure....more »
    1010. Bernheim's syndrome
     Reduced size of right heart ventricle due to enlargement of the left ventricle which encroaches on the space in the right ventricle. Blood flow from the right atrium to the right ventricle is obstructed....more »
    1011. Berry aneurysm, cirrhosis, pulmonary emphysema, and cerebral calcification
     A very rare syndrome characterized primarily by brain aneurysms, liver cirrhosis, pulmonary emphysema and calcification of the brain (cerebrum)....more »
    1012. Berylliosis
     A condition that results from inhalation of beryllium in to form of dust or fumes. The lungs, skin eyes or blood may be affected and the affects can occur immediately or after long term exposure....more »
    1013. Besnier-Boeck-Schaumann disease
     A rare disease where inflammatory granular nodules form in various organs....more »
    1014. Bessel-Hagen disease
     A dominantly inherited disorder characterized by growth of multiple tumors made up of cartilage on the bones....more »
    1015. Bessman-Baldwin syndrome
     A rare disorder characterized by degeneration of the brain and the macula of the eye....more »
    1016. Best Vitelliform Macular Dystrophy
     Vitelliform macular dystrophy is a rare inherited eye disorder that affects the retina and often results in progressive loss of central vision. The early-onset form of the condition is called Best Vitelliform Macular Dystrophy and usually appears during c...more »
    1017. Beta Thalassemia intermedia
     Thalassemia is an inherited blood disorder characterized by abnormal synthesis of hemoglobin. There are two subtypes of the disorder (alpha and beta) depending on what portion of the hemoglobin is abnormally synthesized. Beta Thalassemia intermedia involv...more »
    1018. Beta ketothiolase deficiency
     A rare inherited disease characterized by the bodies inability to metabolise certain amino acids and products of the breakdown of fat. Harmful levels of organic acids build up in the body and cause ketoacidic attacks....more »
    1019. Beta thalassemia
     Thalassemia is an inherited blood disorder characterized by abnormal synthesis of hemoglobin. Hemoglobin consists of two main protein chains called alpha and beta. Beta thalassemia involves defects in one or more of the two genes required to make each ? p...more »
    1020. Betaxolol -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Betaxolol during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of ex...more »
    1021. Bhaskar-Jagannathan syndrome
     A very rare syndrome characterized primarily by long, thin fingers, amino acids in the urine, cataracts (during infancy), incoordination and delayed development....more »
    1022. Bibliophobia
     An exaggerated or irrational fear of books....more »
    1023. Bicarbonate deficit
     A condition caused by excessive organic or inorganic acids in the body. The excess may be due to abnormally high acid production such as occurs during fever and starvation or may occur as a result of excessive acid intake, acid retention or loss of bases....more »
    1024. Bicep muscle strain
     Damage to the bicep muscle in the arm due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the ...more »
    1025. Bicipital syndrome
     Dislocation of the bicipital tendon (the long head of the biceps tendon) due to some form of trauma....more »
    1026. Bicipital tendinosis
     Inflammation of the bicipital tendon (the long head of the biceps tendon). Occurs mainly in athletes who engage in sports that involve throwing, swimming or golfing....more »
    1027. Bicipital tendonitis
     Inflammation of the bicipital tendon (the long head of the biceps tendon). It is often associated with some sort of trauma or overuse. It is usually associated with rotator cuff disease....more »
    1028. Bilateral stroke
     Rapidly developing loss of brain function due to disturbance in the blood supply of the brain....more »
    1029. Bile Duct Cancer
     A malignancy arising in the bile ducts of the liver...more »
    1030. Bile Duct Conditions
     An inflammatory bacterial infection that affects the meninges...more »
    1031. Bile acid synthesis defect, congenital, 2
     A defect which prevents the body from making bile acid which results in progressive liver disease. The defect is a deficiency of a particular enzyme (cholestasis with delta(4)-3-oxosteroid 5-beta-reductase) needed to make bile acid....more »
    1032. Bile acid synthesis defect, congenital, 4
     A defect which prevents the body from making bile acid which results in progressive liver disease....more »
    1033. Bile acid synthesis defects
     A defect which prevents the body from making bile acid which results in progressive liver disease....more »
    1034. Bile acid synthesis defects, congenital, 1
     A defect which prevents the body from making bile acid which results in progressive liver disease. The defect is a deficiency of a particular enzyme (3-beta-hydroxy-delta-5-C27-steroid oxidoreductase) needed to make bile acid....more »
    1035. Bile acid synthesis defects, congenital, 2
     A defect which prevents the body from making bile acid which results in progressive liver disease. The defect is a deficiency of a particular enzyme (cholestasis with delta(4)-3-oxosteroid 5-beta-reductase) needed to make bile acid....more »
    1036. Bile acid synthesis defects, congenital, 3
     A defect which prevents the body from making bile acid which results in progressive liver disease. The defect involved a deficiency of 7-alpha-hydroxylase which is an enzyme needed to prevent the accumulation of 27-hydroxycholesterol which is toxic to the...more »
    1037. Bile acid synthesis defects, congenital, 4
     A defect which prevents the body from making bile acid which results in progressive liver disease....more »
    1038. Bile duct cancer, extrahepatic
     A rare cancer that develops in the part of the common bile duct that is outside the liver. The common bile duct channels bile from the gall bladder (which stores bile) and the liver (which makes bile) to the small intestine to assist digestion....more »
    1039. Bile duct cysts
     The formation of a cyst (dilation or swelling) in the bile duct which can obstruct the flow of bile and result in jaundice....more »
    1040. Biliary Atresia
     A rare condition that can affect newborns where the bile duct that carries the bile from the liver to the small intestine is blocked or missing....more »
    1041. Biliary cirrhosis
     Biliary cirrhosis is a condition where the bile ducts are unable to transport bile effectively due to blockage, inflammation, scarring or some other damage to the bile ducts. The condition may result from such things as congenital defect of the bile ducts...more »
    1042. Biliary colic
     Colicky pain as a result of gallstones blocking the gallbladder....more »
    1043. Biliary conditions
     Medical conditions affecting the biliary system (liver, bile ducts, gallbladder, etc.) in digestion....more »
    1044. Biliary disorder
     Any condition affecting the bile ducts...more »
    1045. Biliary tract cancer
     Cancer that develops in the gallbladder or bile ducts....more »
    1046. Bindewald-Ulmer-Muller syndrome
     A rare syndrome characterized mainly by a heart defect, and mental and growth retardation....more »
    1047. Binswanger's Disease
     A type of senile dementia characterized by chronic cerebrovascular disease....more »
    1048. Bint Al Zahab-induced lead poisoning
     Bint Al Zahab is a folk remedy used by various ethnic groups (e.g. Indians, Saudi Arabians) to treat infant colic and to facilitate the passage of meconium in newborns. This folk remedy has the potential to cause lead poisoning due to its relatively high ...more »
    1049. Biotinidase deficiency
     A metabolic disorder where the body lacks the enzyme biotinidase needed to process the vitamin called biotin (vitamin H) into carboxylase enzymes....more »
    1050. Biotinidase deficiency, late onset
     A metabolic disorder where the body lacks the enzyme biotinidase needed to process the vitamin called biotin (vitamin H) into carboxylase enzymes. The severity of symptoms may vary depending on the degree of deficiency. Severe cases can result in metaboli...more »
    1051. Biphasic Mesothelioma
     Biphasic mesothelioma is the second most common type of mesothelioma cancer cell Biphasic mesothelioma, or mixed mesothelioma, contains a mixture of epithelioid and sarcomatoid cells....more »
    1052. Bipolar disorder
     Cycles of mania and depression; commonly called "manic-depression"....more »
    1053. Bird allergy
     A bird allergy is an adverse reaction by the body's immune system to birds. The allergy is usually associated with the skin, feathers or excrement of the bird. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine in respons...more »
    1054. Bird cherry seed poisoning
     Wild cherry seeds contain a chemical called amygdalin which breaks down into cyanide in the human body. The toxic chemicals are not released if the seed remains intact and therefore poisoning usually occurs if the seeds are crushed and eaten. Accidental i...more »
    1055. Bird flu (avian influenza)
     Bird flu refers to influenza A invection. Influenza A is a viral respiratory infection that can usually occurs in birds (especially poultry) but can be transmitted to humans and cause serious illness. The virus is contagious and can cause severe illness e...more »
    1056. Birdshot chorioretinopathy
     A rare eye disorder where the eye has a number of light-colored specks around the optic disk due to an inflammation inside the eye....more »
    1057. Birdshot retinochoroidopathy syndrome
     Inflammation of the middle layer of the eye called the uvea probably caused by an autoimmune process. The rate of progression and degree of vision impairment is variable....more »
    1058. Birt-Hogg-Dube syndrome
     A rare inherited disorder that affects the skin and results in an increased risk of certain skin tumors called fibrofolliculomas which are benign....more »
    1059. Birth control pill poisoning
     Birth control pill contain hormones such as estrogen and progestin and excessive ingestion of the pills can result in relatively minor symptoms - usually there are no serious problems associated with the ingested of many birth control pills at one time. T...more »
    1060. Birthmark
     Skin marking appearing from birth...more »
    1061. Bisoprolol -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Bisoprolol during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of e...more »
    1062. Bitter almond seed poisoning
     Bitter almond seeds contain a chemical called amygdalin which breaks down into cyanide in the human body. Accidental ingestion is very unusual. Bitter almond plants grow mainly in Northern America. Various processes can be used to leach the toxic chemical...more »
    1063. Black eye
     Bleeding in the skin around the eye...more »
    1064. Black henbane poisoning
     Black henbane is a herb which has hairy stems and bears flowers and fruit. All parts of the plant contain tropane alkaloids which is toxic enough to cause death if eaten. Black henbane is often used for medicinal purposes to treat a variety of health cond...more »
    1065. Black jetbead poisoning
     The Black jetbead is a deciduous shrub which bears single white flowers and small groups of shiny black fruit. The fruit contains amygdalin which is very toxic and can cause severe poisoning or even death if eaten....more »
    1066. Black locust poisoning
     The black locust is a large deciduous tree which has long clusters of scented flowers and flat fruit pods. The young leaves, seeds and inner bark contain various chemicals (robin, robinine and robitin) which can be toxic if large quantities are eaten. The...more »
    1067. Black mustard poisoning
     Black mustard is commonly used as a spice or seasoning as well as a beneficial oil in naturopathy. It contains a chemical called ally isothiocyanate which can cause severe skin and respiratory system irritation in humans. Mustard oil is sold illegally in ...more »
    1068. Black widow spider envenomation
     The black widow spider bite is toxic to the nerves and can cause serious symptoms. The black widow spider is most commonly found in North America....more »
    1069. Bladder Cancer
     Bladder cancer refers to any of several types of malignant growths of the urinary bladder. It is a disease in which abnormal cells multiply without control in the bladder....more »
    1070. Bladder conditions
     Any condition affecting the bladder...more »
    1071. Bladder distention
     Stretching of the bladder....more »
    1072. Blaichman syndrome
     A very rare genetic disorder characterized by a malformation where there is an opening between the trachea and esophagus. Webbing of the fifth finger is also present....more »
    1073. Bland-Garland-White syndrome
     A rare birth malformation where the left coronary artery comes out of the pulmonary artery instead of the aorta. Usually, infants are usually healthy for a few months after which they start having symptoms of heart problems. Occasionally, patients may be ...more »
    1074. Bland-White -Garland syndrome
     A heart disorder where the left coronary artery comes out of the pulmonary artery....more »
    1075. Blast crisis
     The final phase of chronic myeloid leukemia which has a high mortality rate. Myeloid leukemia is a form of cancer where the bone marrow makes too many myeloid cells (granulocytes and their precursors) in the bone marrow which accumulates in the blood and ...more »
    1076. Blastocystis hominis
     Common parasitic condition often causing digestive symptoms....more »
    1077. Blastoma
     A type of tumor that originates from precursor cells or blasts (immature or embryonic tissue). The symptoms can vary greatly and are determined by the part of the body that is affected. Blastomas can occur in parts of the body such as the brain, liver, ki...more »
    1078. Blastomycosis
     A fungal infection caused by Blastomyces dermatitidis and resulting in lung, skin, bone and genitourinary involvement....more »
    1079. Bleeding Heart poisoning
     Bleeding heart is a vine plant that can cause skin reactions on exposure and systemic symptoms such as convulsions if eaten. The leaves and roots are the most toxic parts of the plant and contain a toxic chemical called isoquinoline. Large amounts of the ...more »
    1080. Blepharitis
     A common eyelid inflammation...more »
    1081. Blepharophimosis -- nasal groove -- growth delay
     A very rare syndrome characterized mainly by eyelid abnormalities, retarded growth and a nasal groove....more »
    1082. Blepharophimosis -- nasal groove -- growth retardation
     A very rare syndrome characterized mainly by eyelid abnormalities, retarded growth and a nasal groove....more »
    1083. Blepharophimosis, Ptosis, Epicanthus Inversus Syndrome
     A rare genetic disorder characterized by inner canthal folds, lateral displacement of inner canthi and drooping upper eyelid. The severity of symptoms is variable. There are two subtypes of the condition: Type 2 involves eye anomalies as well as female fe...more »
    1084. Blepharophimosis, Ptosis, Epicanthus Inversus Syndrome, type 1
     A rare genetic disorder characterized by inner canthal folds, lateral displacement of inner canthi and drooping upper eyelid. The severity of symptoms is variable. There are two subtypes of the condition: Type 2 involves eye anomalies as well as female fe...more »
    1085. Blepharophimosis, Ptosis, Epicanthus Inversus Syndrome, type 2
     A rare genetic disorder characterized by inner canthal folds, lateral displacement of inner canthi and drooping upper eyelid. The severity of symptoms is variable. There are two subtypes of the condition: Type 2 involves eye anomalies as well as female fe...more »
    1086. Blind loop syndrome
     A rare intestinal defect where there is a small loop in the intestines that allow digesting material to enter but not exit. The symptoms are variable depending on the size and location of the pouch....more »
    1087. Blindness
     The inability to see out of the eyes...more »
    1088. Blomstrand syndrome
     A rare lethal congenital condition characterized by abnormal bone development....more »
    1089. Blood cancer
     Malignancy of one or several of the different types of cells in the blood...more »
    1090. Blood coagulation disorders, inherited
     Inherited blood disorders where the ability to form clots is dysfunctional. The blood needs to be able to clot to prevent excessive bleeding in situations such as when the body suffers some sort of injury. With blood coagulation disorders, the blood's abi...more »
    1091. Blood conditions
     Conditions that affect the blood...more »
    1092. Blood vessel conditions
     Conditions that affect the blood vessels...more »
    1093. Blue Diaper Syndrome
     A rare metabolic disorder characterized by vision problems, bluish urine, fever and digestive anomalies....more »
    1094. Blue and bloated syndrome
     Heart and breathing problems that occur in obese patients that can cause reduced blood oxygenation especially while sleeping....more »
    1095. Blue baby
     Any baby born with blueness...more »
    1096. Blue cone monochromatism
     A genetic eye disorder where the S cones function normally but the L and M cones don't resulting in poor color vision....more »
    1097. Blue rubber bleb nevus
     A very rare congenital vascular disorder characterized by multiple hemangiomas on the skin and internal organs....more »
    1098. Blue-ringed octopus poisoning
     The blue-ringed octopus is found in shallow Australian ocean water and can deliver venomous, potentially fatal bite. The poison is present in the saliva of the octopus. The venom affects the neuromuscular system....more »
    1099. Bobble-head doll syndrome
     A rare condition where a child's head bobs up and down continuously due to either fluid on the brain or a large cyst in the third ventricle of the brain....more »
    1100. Body skin hyperlaxity due to vitamin K-dependent coagulation factor deficiency
     A rare inherited connective tissue disorder caused by a deficiency of a blood coagulation factor....more »
    1101. Boerhaave syndrome
     A rare spontaneous rupture of the esophagus which can occur during violent vomiting or retching....more »
    1102. Bog rosemary poisoning
     Bog rosemary is a type of heath found in bogs and cold peat areas of the more northern parts of the world. It is a small shrub with tall thin stems. The flowers are whit or pink. The plant contains a chemical called grayanotoxin which can cause various sy...more »
    1103. Bogyphobia
     An exaggerated or irrational fear of demons and goblins....more »
    1104. Boil
     Infected puseous hair follicle on the skin...more »
    1105. Bokhoor-induced lead poisoning
     Bokhoor is a traditional used mainly by Saudi Arabian people to calm infants - it involves burning wood and lead sulphide and inhaling the fumes that are produced. This practice has the potential to cause lead poisoning due to the relatively high exposure...more »
    1106. Bolivian hemorrhagic fever
     An infectious disease that occurs in Bolivia and is caused by the Machupo virus. Transmission can occur through contact with infected rodent (Calomys callosus) droppings. The incubation period lasts from one to two weeks....more »
    1107. Boltshauser Syndrome
     Boltshauser Syndrome is a rare condition reported in a few generations in one family. The condition is characterized by paralysis of the vocal cords, deafness and movement problems....more »
    1108. Bone and cartilage tumors
     Any tumors affecting the bones or cartilage, including both cancerous and benign tumors....more »
    1109. Bone cancer
     Malignancy that occurs in the bone...more »
    1110. Bone cement implantation syndrome
     A complication that can occur after using bone cement during implantation of an internal prosthesis. Circulation may be affected and a blockage in the pulmonary artery may develop....more »
    1111. Bone conditions
     Conditions that affect the bones...more »
    1112. Bone dysplasia -- corpus callosum agenesis
     A very rare syndrome characterized mainly by abnormal brain development and bone growth abnormalities....more »
    1113. Bone dysplasia, lethal, Holmgren type
     A rare lethal bone malformation syndrome....more »
    1114. Bone pain
     Bone pain or tenderness is aching or other discomfort in one or more bones....more »
    1115. Bone-Marrow failure syndromes
     A disorder where the bone marrow fails to produce enough new blood cells....more »
    1116. Bonefish poisoning (clupeotoxin)
     Some bonefish contain toxins (Clupeotoxin) which can be poisonous to humans if eaten. Heat does not destroy the toxin and there is still uncertainty as to the origin of the toxin. The toxin appears to be present in higher concentrations in summer and is b...more »
    1117. Bonneman-Meinecke-Reich syndrome
     A very rare syndrome characterized by calcium deposits in the brain tissue, deficiency of growth hormones and degeneration of the part of the eye called the retina....more »
    1118. Bonnemann-Meinecke-Reich syndrome
     A rare disorder characterized mainly by growth problems, vision problems and brain disease....more »
    1119. Boomerang dysplasia
     A rare lethal disorder characterized by bone abnormalities (lack of bone ossification and missing bones) and a characteristic face....more »
    1120. Bornholm disease
     Contagious viral infection...more »
    1121. Borreliosis
     An infectious bacterial disorder that is transmitted by ticks and causes skin rashes joint swelling and other symptoms similar to the flu....more »
    1122. Borries syndrome
     Localized brain inflammation without the production of pus....more »
    1123. Bortonneuse fever
     A mild infectious disease caused by the bacterium Rickettsia Conorrii. The disease is transmitted by a dog tick (Riphicephalus sanguineus) and is most common in countries bordering the Mediterranean Sea. Incubation usually takes about one week....more »
    1124. Borud Syndrome
     A very rare syndrome characterized by numerous features including hearing and vision problems, heart muscle disease, ataxia and peripheral neuropathy....more »
    1125. Boscherini-Galasso-Manca-Bitti syndrome
     A rare syndrome characterized by a range of abnormalities including mental retardation, growth hormone deficiency, congenital heart defect and facial abnormalities....more »
    1126. Bosley-Salih-Alorainy syndrome
     A rare recessively inherited disorder involving inner and outer ear deformity, eye movement disorder, deafness, cardiovascular malformations and other anomalies. The range and severity of symptoms is variable....more »
    1127. Bosma-Henkin-Christiansen syndrome
     A rare syndrome characterized mainly by a reduced sense of smell, an underdeveloped nose and hypogonadism....more »
    1128. Boston Ivy poisoning
     The leaves of the Boston Ivy plant oxalates which is toxic to humans. The severity of symptoms depends on the quantity of leaves consumed. Skin symptoms can also occur if the skin comes into contact with the leaves....more »
    1129. Bosviel syndrome
     A rare condition where a blood blister on the uvula ruptures. It often occurs as a complication of tracheal intubation....more »
    1130. Bothnia retina dystrophy
     A genetic eye disease which occurs predominantly in a part of Sweden....more »
    1131. Bothriocephalosis
     Infection with an intestinal parasite. The parasite is a fish tapeworm called Diphyllobothrium latum. Human infection is caused by eating undercooked contaminated fish....more »
    1132. Botulism food poisoning
     Extremely dangerous food poisoning requiring medical attention, but not always recognized because of its non-abdominal symptoms....more »
    1133. Bouillaud's syndrome
     Heart inflammation caused by rheumatism. The inner lining of the heart (endocardium) as well as the membrane surrounding the heart (pericardium) become inflamed....more »
    1134. Bowel Obstruction
     Blockage in the bowel of the digestive tract....more »
    1135. Bowel bypass syndrome
     An illness that occurs in patients who have had bowel bypass surgery to treat obesity. The illness can occur days or even years after the operation. As many as a fifth of patients who undergo the operation may suffer the illness. It is believed to be caus...more »
    1136. Bowel conditions
     Medical conditions that affect the bowels...more »
    1137. Bowel strangulation
     Twisting of the bowel often around fibrous bands, causing decreased blood supply and death of bowel tissue....more »
    1138. Bowel-associated dermatosis-arthritis syndrome
     An illness that sometimes occurs in people with gastrointestinal diseases. It is believed to be caused by a build up of bacteria in a pouch in the bowel which triggers the immune system into action....more »
    1139. Box Jellyfish poisoning
     A sting from the Box jellyfish contains a chemical which is toxic to the nerves, heart and skin. This jellyfish is mainly found in the waters of Northern Queensland in Australia. The tentacles should not be removed from the patient as it can cause further...more »
    1140. Box thorn poisoning
     The leaves of the Box thorn plant contain a toxic chemical called atropine and possibly other toxic compounds. The box thorn plant is a spiny-stemmed shrub which originated in Europe. Symptoms can be quite serious depending on the quantity of the plant in...more »
    1141. Boxwood poisoning
     The boxwood is an evergreen, woody, flowering shrub often used as a hedge. The leaves contain steroidal alkaloids which can cause skin irritation upon skin contact with the sap or various other symptoms if eaten. The plant is considered to have a relative...more »
    1142. Brachial Plexus Injury
     Damage to the nerves controlling the shoulder and arm (often from childbirth)....more »
    1143. Brachioradial pruritus
     A condition characterized by itching, burning and other sensations of the skin on one or both arms. The skin has no visible evidence of the skin unless the patient causes damage to the skin due to scratching or rubbing. The condition results from nerve da...more »
    1144. Brachycephaly -- deafness -- cataract -- mental retardation
     A very rare syndrome characterized mainly by a short head, deafness, cataracts and mental retardation....more »
    1145. Brachycephaly -- deafness -- cataract -- microstomia -- mental retardation
     A very rare syndrome characterized mainly by a short head, deafness, cataracts and mental retardation....more »
    1146. Brachydactylous dwarfism, Mseleni type
     A very rare syndrome characterized primarily by progressive joint disease, short stature and short fingers and toes. The joint disease affects mainly the hips, knees, ankles and spine. The condition can eventually lead to disability and hip and/or knee re...more »
    1147. Brachydactyly -- tibial hypoplasia
     A rare syndrome characterized by short digits and an underdeveloped or absent shin bone....more »
    1148. Brachymetapody, anodontia, hypotrichosis, albinoidism
     A rare syndrome characterized by short foot bones, total absence of teeth, reduced amount of hair and lack of skin pigmentation....more »
    1149. Bradyopsia
     An eye anomaly which causes difficulty in adjusting to changes in brightness, light sensitivity and sometimes impaired sharpness of vision....more »
    1150. Brain -- bone -- fat
     A rare inherited disease characterized by bone cysts and progressive presenile dementia....more »
    1151. Brain Concussion
     Trauma resulting in minor injury to the brain which causes a period of interrupted brain function. Simple concussions resolve themselves in about a week whereas more serious ones have persisting symptoms. The onset of symptoms may be delayed....more »
    1152. Brain Fag syndrome
     A type of neurotic disorder that was first observed in white collar workers in Africa....more »
    1153. Brain Stem Glioma
     Tumor of the brain stem consisting of neuroglia of many stages of development....more »
    1154. Brain Stem Neoplasms
     A brain stem tumor. The tumor may be malignant or benign and the severity of the condition is determined by the size of the tumor and exact location....more »
    1155. Brain abscess
     Pus accumulating into an abscess on the brain...more »
    1156. Brain cancer
     Cancer of the brain....more »
    1157. Brain compression
     Internal compression of the brain...more »
    1158. Brain conditions
     Medical conditions that affect the brain...more »
    1159. Brain infection
     Infection of the brain including encephalitis...more »
    1160. Brainerd diarrhea
     Diarrheal condition of unknown cause....more »
    1161. Branchial arch syndrome X-linked
     A rare syndrome characterized by a range of abnormalities such as facial anomalies, impaired hearing, short stature, learning disability and branchial arch defects....more »
    1162. Branchiootic syndrome
     A rare inherited disorder characterized by branchial and ear abnormalities. The hearing loss is variable with respect to severity and age of onset....more »
    1163. Branchiootic syndrome 1
     A rare inherited disorder characterized by branchial and ear abnormalities. The hearing loss is variable with respect to severity and age of onset. Type 1 is caused by a defect on the EYA1 gene on chromosome 8q13. It is similar to the branchio-oto-renal s...more »
    1164. Breakdance back syndrome
     Difficulty bending over and lower back pain caused by breakdancing....more »
    1165. Breast Duct Papilloma
     Benign tumour of the collecting duct of the breast....more »
    1166. Breast Milk Jaundice
     Jaundice in an infant caused by the presence of a particular substance in the mother's breast milk which leads to high bilirubin levels in the infant. The condition tends to run in families. The jaundice tends to persist up to six weeks after birth....more »
    1167. Breast abscess
     Pus-filled abscess in the breast...more »
    1168. Breast cancer stages: 0, I, II, III, IV
     Cancer stage is based on the size of the tumor, whether the cancer is invasive or non-invasive, whether lymph nodes are involved, and whether the cancer has spread beyond the breast. p>Stage 0- is used to describe non-invasive breast cancers, such as DCI...more »
    1169. Breathing difficulty
    1170. Brennemann syndrome
     A condition that can occur in young children after a respiratory tract infection. It primarily involves inflammation and swelling of the lymph glands in the abdomen, fever, vomiting and nausea....more »
    1171. Brennemann's syndrome
     Abdominal symptoms that can result from an upper respiratory infection. The abdominal symptoms are caused by inflammation of the abdominal lymph nodes. The condition is most likely to occur in children....more »
    1172. Breynia officinalis poisoning
     Ingestion of the Breynia officinalis plant can cause irritation to mucosal linings and liver problems. The plant is often used as a herbal drug (Chi R Yun) to treat such things as poor growth, heart failure and venereal disease....more »
    1173. Bright's Disease
     A condition where the parts of the kidneys that are responsible for filtering become inflamed and results in blood and proteins accidentally leaking into the urine. The condition can occur after certain infections and serious kidney dysfunction can result...more »
    1174. Brill disease
     A form of recurring typhus caused by a bacterium called Rickettsia prowazekii and transmitted by lice. The illness may occur years after the initial sickness and tends to be not as severe....more »
    1175. Brinton disease
     Thickening and hardening of the stomach wall usually associated with diffuse stomach cancer or damage due to the consumption of caustic soda....more »
    1176. Briquet syndrome
     A rare, chronic mental disorder characterized mainly by often claiming to have constant physical illness when none is able to be detected. It most often occurs in young females....more »
    1177. Broad bean poisoning
     The broad bean is a vine which produces pea-like flowers and long, seed-filled pods. The seeds can be very toxic and can result in death if eaten. This toxic reaction only occurs to certain susceptible people who are unable to process certain chemicals in...more »
    1178. Broberger-Zetterstrom syndrome
     A type of chronic bone abscess where a infected bone forms a pus-filled cavity. The abscess may cause no symptoms for many years....more »
    1179. Brodie knee
     Chronic inflammation of the knee joint....more »
    1180. Brodie pile
     Inflammation of the mucous layer at the lower end of an anal fissure....more »
    1181. Broken Collarbone
     Fractured collarbone (clavicle)...more »
    1182. Broken elbow
     Fracture at the elbow joint...more »
    1183. Broken finger
     Fracture of a finger bone...more »
    1184. Broken foot
     Fracture of one or more foot bones...more »
    1185. Broken hand
     Fracture of one or more bones in the hand...more »
    1186. Broken jaw
     Fracture of the jaw bone (mandible)...more »
    1187. Broken leg
     Fracture of a bone in the upper or lower leg...more »
    1188. Broken neck
     Fracture of the bone or bones in the cervical spine....more »
    1189. Broken nose
     Fracture of the nose...more »
    1190. Broken shoulder blade
     Fracture of the shoulder blade bone (scapula)...more »
    1191. Broken toe
     Fracture of a bone in a toe...more »
    1192. Bromidrosiphobia
     An exaggerated or irrational fear of having unpleasant body odor....more »
    1193. Bronchial adenomata syndrome
     A type of bronchial tumor that causes various respiratory symptoms....more »
    1194. Bronchiectasis
     Chronic bronchiole dilation from secretions and blockages....more »
    1195. Bronchiectasis -- oligospermia
     A rare syndrome characterized by the association of bronchiectasis (enlarged bronchial airways) and a defect in the sperm ducts which affects the number of sperm produced. Patients suffer frequent bacterial infections....more »
    1196. Bronchiolitis
     Inflammation of the bronchioles....more »
    1197. Bronchiolitis Obliterans -- Ammonia inhalation
     A lung disease caused by inhalation of Ammonia. The exposure can cause scarring of the lungs which can lead to obstruction of the small airways and ultimately impaired lung function. Chronic exposure can lead to gradual worsening of symptoms over a period...more »
    1198. Bronchiolitis Obliterans -- Chlorine inhalation
     A lung disease caused by inhalation of Chlorine. The exposure can cause scarring of the lungs which can lead to obstruction of the small airways and ultimately impaired lung function. Chronic exposure can lead to gradual worsening of symptoms over a perio...more »
    1199. Bronchiolitis Obliterans -- Diacetyl inhalation
     A lung disease caused by inhalation of Diacetyl. The exposure can cause scarring of the lungs which can lead to obstruction of the small airways and ultimately impaired lung function. Chronic exposure can lead to gradual worsening of symptoms over a perio...more »
    1200. Bronchiolitis Obliterans -- Hydrogen bromide inhalation
     A lung disease caused by inhalation of Hydrogen bromide. The exposure can cause scarring of the lungs which can lead to obstruction of the small airways and ultimately impaired lung function. Chronic exposure can lead to gradual worsening of symptoms over...more »
    1201. Bronchiolitis Obliterans -- Hydrogen chloride inhalation
     A lung disease caused by inhalation of Hydrogen chloride. The exposure can cause scarring of the lungs which can lead to obstruction of the small airways and ultimately impaired lung function. Chronic exposure can lead to gradual worsening of symptoms ove...more »
    1202. Bronchiolitis Obliterans -- Hydrogen fluoride inhalation
     A lung disease caused by inhalation of Hydrogen fluoride. The exposure can cause scarring of the lungs which can lead to obstruction of the small airways and ultimately impaired lung function. Chronic exposure can lead to gradual worsening of symptoms ove...more »
    1203. Bronchiolitis Obliterans -- Hydrogen sulfide inhalation
     A lung disease caused by inhalation of Hydrogen sulfide. The exposure can cause scarring of the lungs which can lead to obstruction of the small airways and ultimately impaired lung function. Chronic exposure can lead to gradual worsening of symptoms over...more »
    1204. Bronchiolitis Obliterans -- Methyl isocyanate inhalation
     A lung disease caused by inhalation of Methyl isocyanate. The exposure can cause scarring of the lungs which can lead to obstruction of the small airways and ultimately impaired lung function. Chronic exposure can lead to gradual worsening of symptoms ove...more »
    1205. Bronchiolitis Obliterans -- Nitrogen Oxide inhalation
     A lung disease caused by inhalation of Nitrogen oxides. The exposure can cause scarring of the lungs which can lead to obstruction of the small airways and ultimately impaired lung function. Chronic exposure can lead to gradual worsening of symptoms over ...more »
    1206. Bronchiolitis Obliterans -- Ozone inhalation
     A lung disease caused by inhalation of ozone. The exposure can cause scarring of the lungs which can lead to obstruction of the small airways and ultimately impaired lung function. Chronic exposure can lead to gradual worsening of symptoms over a period o...more »
    1207. Bronchiolitis Obliterans -- Phosgene inhalation
     A lung disease caused by inhalation of Nitrogen oxides. The exposure can cause scarring of the lungs which can lead to obstruction of the small airways and ultimately impaired lung function. Chronic exposure can lead to gradual worsening of symptoms over ...more »
    1208. Bronchiolitis Obliterans -- Polyamide-amine dyes inhalation
     A lung disease caused by inhalation of Polyamide-amine dyes. The exposure can cause scarring of the lungs which can lead to obstruction of the small airways and ultimately impaired lung function. Chronic exposure can lead to gradual worsening of symptoms ...more »
    1209. Bronchiolitis Obliterans -- Sulphur dioxide inhalation
     A lung disease caused by inhalation of Sulphur dioxide. The exposure can cause scarring of the lungs which can lead to obstruction of the small airways and ultimately impaired lung function. Chronic exposure can lead to gradual worsening of symptoms over ...more »
    1210. Bronchiolitis Obliterans -- Thionyl chloride inhalation
     A lung disease caused by inhalation of Thionyl chloride. The exposure can cause scarring of the lungs which can lead to obstruction of the small airways and ultimately impaired lung function. Chronic exposure can lead to gradual worsening of symptoms over...more »
    1211. Bronchiolitis obliterans
     Disease of the lungs in which the bronchioles are plugged with granulation tissue....more »
    1212. Bronchiolitis obliterans organizing pneumonia
     Inflammation of lung tissue (bronchioles and surrounding tissue) which may occur on its own or as a result of other conditions such as certain infections....more »
    1213. Bronchiolitis obliterans with obstructive pulmonary disease
     A rare condition involving the inflammation and thickening of the internal lung structures (bronchioles) which affects breathing. It can be triggered by certain infections, drug reactions or for no obvious reason. The condition often progresses to cause s...more »
    1214. Bronchitis
     Bronchitis is an inflammation of the air passages within the lungs. It occurs when the trachea and the large and small bronchi within the lungs become inflamed...more »
    1215. Bronchogenic carcinoma
     When cells of the lung start growing rapidly in an uncontrolled manner, the condition is called lung cancer ....more »
    1216. Bronchopulmonary amyloidosis
     Amyloidosis is a rare group of metabolic disorders where a protein called amyloid accumulates in body organs and tissues where it can cause damage. In the bronchopulmonary form, the amyloid deposits occur mainly in the lungs....more »
    1217. Bronchopulmonary dysplasia
     A rare form of infant lung disease that usually occurs as a complication of ventilator use in premature babies....more »
    1218. Bronze baby syndrome
     A term used to describe the abnormal skin color (grey-brown or bronze) in infants undergoing phototherapy to treat jaundice....more »
    1219. Brown Recluse spider poisoning
     The Brown Recluse spider is poisonous and is found mainly in southern and central areas of the US....more »
    1220. Brown snake poisoning
     The Brown snake is a poisonous Australian snake. They are considered one of the most venomous snakes in the world and their bite can result in death without prompt medical attention. The snake venom contains toxins which affect the blood and nerve systems...more »
    1221. Brown-McLean syndrome
     Swelling around the cornea following cataract removal....more »
    1222. Brown-Sequard Syndrome
     A disorder where spinal cord compression and lesions involve only half of the spinal cord....more »
    1223. Brown-Symmers disease
     A rare form of brain inflammation that occurs in children and can quickly lead to death. Symptoms usually start suddenly....more »
    1224. Brown-Vialetto-Van Laere syndrome
     A very rare progressive disorder characterized by nerve deafness and cranial (and sometimes spinal) nerve paralysis....more »
    1225. Browntail moth caterpillar poisoning
     A hairy, bright-colored caterpillar which can cause skin symptoms on contact with the hair. Inhalation of the hairs can cause respiratory symptoms and eye exposure can also result in symptoms. Patients with pre-existing asthma or atopic allergies may suff...more »
    1226. Brucellosis
     An infectious disease caused by the Brucella genus which is transmitted from animals to humans....more »
    1227. Bruch's disease
     An infectious disease that is caused by Rickettsia conorii which is transmitted by the brown dog tick (Rhipicephalus sanguineus). The disease occurs predominantly in Mediterranean areas such as India and Africa. The onset of symptoms is usually sudden and...more »
    1228. Brugada Syndrome
     A rare genetic disorder characterized by heart rhythm abnormalities which can result in sudden death if untreated. The condition may be inherited in some cases. The mean age of sudden death is 40 years of age....more »
    1229. Brun's syndrome
     Various neurological symptoms caused by an obstruction of the flow of cerebrospinal fluid with certain head postures. The obstruction is often due to some sort of brain tumor or cyst. Symptoms come and go depending on the position of the head....more »
    1230. Brushfield-Wyatt syndrome
     A rare syndrome characterized mainly by mental deficiency, weakness on one side of the body and large port-wine stains that cover about a third of the skin's total surface. This condition may be a variant of another condition called Sturge-Weber syndrome....more »
    1231. Bubble bath allergy
     An immune-mediated reaction to exposure to bubble bath solutions. Bubble bath allergy tends to be more common in children and symptoms can vary in nature and severity....more »
    1232. Buckthorn poisoning
     The Buckthorn is a shrubby plant which bears black berries. The berries contain glycosides which can cause mild toxicity if eaten....more »
    1233. Buerger's disease
     Buergers's disease is a recurring inflammation and thrombosis (clotting) of small and medium arteries and veins of the hands and feet...more »
    1234. Buffalo nut poisoning
     The buffalo nut is a deciduous flowering shrub. It grows mainly in mountainous areas. The seeds contain chemicals which can cause toxicity if large quantities are eaten....more »
    1235. Buffalo pea poisoning
     The buffalo pea is a poisonous plant which contains a toxic compound called quinolizidine alkaloid. The plant is mainly found in Western Canada....more »
    1236. Bufotenine poisoning
     The skin glands of certain toads (Cane toad and Colorado river toad) contain a poison called bufotoxin....more »
    1237. Bulimia nervosa
     Eating disorder with binging (overeating) and purging (vomiting)....more »
    1238. Bullis fever syndrome
     A disease transmitted through tick bites (Ambylomma americanum). Symptoms include fever, rash and headache. The disease was first observed in soldiers training at Camp Bullis in America....more »
    1239. Bullous Pemphigoid
     A chronic skin disorder characterized blistering of the skin which usually occurs on the joints, abdomen, armpit and groin areas....more »
    1240. Bullous dystrophy, macular type
     A rare condition characterized by loss of scalp hair, increased skin pigmentation, small head, mental retardation, short stature and blisters. The blisters do not form necessarily on skin that has suffered trauma but occurs spontaneously....more »
    1241. Bullous systemic lupus erythematosus
     A blistering disease that can develop in patients with systemic lupus erythematosus (SLE). The process is mediated by autoantibodies....more »
    1242. Bullrout. poisoning
     Bullrout are a fish that tends to live in rocky, weeded area of coastal streams and estuaries. They have spines which can deliver a painful sting. People are most often stung when they accidentally step on the fish....more »
    1243. Bunyavirus
     Virus of the family bunyaviridae....more »
    1244. Burkholderia pseudomallei
     Gram negative, aerobic, motile rod shaped bacterium....more »
    1245. Burnett's milk drinker's syndrome
     Burnett's milk drinker's syndrome is a condition where the body is too alkaline and the blood contains too much calcium which results in impaired kidney function. It can be caused by drinking large quantities of milk or using too many alkaline antacid rem...more »
    1246. Burnett's syndrome
     Burnett's syndrome is a condition where the body is too alkaline and the blood contains too much calcium which results in impaired kidney function. It can be caused by drinking large quantities of milk or using too many alkaline antacid remedies. High vit...more »
    1247. Burnett-Schwartz-Berberian syndrome
     A rare syndrome characterized by an inflammatory facial skin disorder and various congenital anomalies....more »
    1248. Burning bush poisoning
     The burning bush is a shrub that has bright red leaves in autumn and bears red berries. The plant contains toxic chemicals such as lobelamine and lobeline which can cause symptoms if eaten in large quantities....more »
    1249. Burning feet syndrome
     Abnormal burning and stinging sensations in the feet which may be accompanied by redness and swelling. It may be caused by factors such as kidney failure, liver damage, thyroid problems, blood disorders, nerve damage, fungal infections, chronic alcoholism...more »
    1250. Burning mouth syndrome, Type 1
     A rare condition where there is a burning sensation in the mouth and tongue. Type 1 describes mouth burning that may be absent on waking but gets worse during the day. This type is often linked to conditions such as diabetes and nutritional deficiencies....more »
    1251. Burning mouth syndrome, Type 2
     A rare condition where there is a burning sensation in the mouth and tongue. Type 2 describes constant mouth burning that does not fluctuate during the day. This form is often linked to reduced salivary gland functioning due to antidepressant use....more »
    1252. Burning mouth syndrome- Type 3
     A rare condition where there is a burning sensation in the mouth and tongue. Type 3 describes mouth burning that comes and goes during the day and is often linked to anxiety and allergies (especially food additives)....more »
    1253. Burnout syndrome
     Severe stress caused by work-related physical or mental trauma....more »
    1254. Burns
     Injury from burns and scalds....more »
    1255. Bursitis
     Inflammation of one or more bursae (small sacs) of synovial fluid in the body....more »
    1256. Bushmaster poisoning
     The Bushmaster is a poisonous snake found in America....more »
    1257. Busulfan toxicity syndrome
     Symptoms caused by the use of a chemotherapy drug called Busulfan....more »
    1258. Buttercup poisoning
     The buttercup plant contains a toxic compound called protoanemonin. The plant is most toxic while it is flowering with the sap being poisonous portion of the plant. Poisoning by eating the plant is unlikely due to the fact that skin contact is quite painf...more »
    1259. Bwamba virus
     A viral illness caused by a species of bunyavirus and transmitted by mosquitoes. The main symptom is fever and it is often mistaken for malaria. Symptoms generally persist for 5 to 7 days. The virus is most common in East Africa....more »
    1260. Byssinosis
     Usually an occupational disease where excessive inhalation of dust from cotton, hemp or flax causes lung problems....more »
    1261. Bébé Collodion syndrome
     A rare birth abnormality where an infant is born covered in a tight, yellow, shiny membrane. The membrane peels off and may reform several times. As the membrane dries it can leave crack which can result in infection, dehydration or inability to control b...more »
    1262. C1esterase deficiency
     C1esterase deficiency is a condition characterized by swelling under the skin or mucosal tissue - the skin, respiratory tract or gastrointestinal tract may be affected. The condition may be inherited or acquired. Symptoms tend to develop over a few days a...more »
    1263. CAMFAK syndrome
     A rare syndrome characterized by cataracts, small head, failure to thrive and spinal curvature....more »
    1264. CANOMAD syndrome
     A rare syndrome characterized by a range of abnormalities caused by immune-mediated nerve demyelination. There is usually no loss of limb function associated with the disorder. The face, throat, mouth and eye symptoms (weakness of the muscles) usually com...more »
    1265. CAR syndrome
     A progressive autoimmune eye disease caused by cancer that occurs outside the eye area. It is a type of paraneoplasic cancer which refers to distant neurological effects caused by a cancer. Eye symptoms usually occur before the cancer is detected....more »
    1266. CCFDN
     A rare, recessively inherited syndrome characterized by cataracts during infancy, unusual facial appearance and neuropathy....more »
    1267. CDG syndrome type 1A
     A very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 1A involves a phosphomannomutase enzyme defect and affects most body systems especially the nervou...more »
    1268. CFS subtype 1 (cognitive, musculoskeletal, sleep, anxiety/depression)
     Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of...more »
    1269. CFS subtype 2 ( musculoskeletal, pain, anxiety/depression)
     Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of...more »
    1270. CFS subtype 3 (mild)
     Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of...more »
    1271. CFS subtype 4 (cognitive, musculoskeletal, sleep, anxiety/depression)
     Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of...more »
    1272. CFS subtype 5 (musculoskeletal, gastrointestinal)
     Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of...more »
    1273. CFS subtype 6 (postexertional)
     Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of...more »
    1274. CFS subtype 7 (pain, infectious, musculoskeletal, sleep, neurological, gastrointestinal, neurocognitive, anxiety/depression)
     Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of...more »
    1275. CML-Like Syndrome, Familial
     A very rare condition characterized by symptom similar to myelocytic leukemia that develop during infancy. The condition can result in death during the first years of life....more »
    1276. COFS syndrome
     A genetic disorder involving degeneration of the brain and spinal cord that starts during the fetal stage....more »
    1277. COPD
     Severe obstruction of bronchial air flow typically from bronchitis and/or emphysema....more »
    1278. COPD-like dyspnea
     Dyspnea is a classical symptom in case of COPD and is associated with cough....more »
    1279. CRMO, juvenile
     A rare chronic inflammatory bone disease that occurs in children. The symptoms go into periods of remission only to return. The most common sites for the inflammation are the shinbone, thighbone and collarbone with usually several sites being affected at ...more »
    1280. Cadasil
     A rare inherited condition which affects the small blood vessels of the brain. Damage to the vessels causes strokes and other problems....more »
    1281. Caesarian Section
     Surgery to deliver a fetus from the uterus....more »
    1282. Caffeine Allergy
     A caffeine allergy is an adverse reaction by the body's immune system to caffeine or caffeine-containing products. The type and severity of symptoms can vary amongst patients....more »
    1283. Cainophobia
     An exaggerated or irrational fear of novelty....more »
    1284. Caladium poisoning
     All parts of the Caladium plant are poisonous, particularly the sap. It contains a compound called calcium oxalate crystals which can cause abrasive injuries on sensitive eyes or mucosal tissues of the digestive tract. The plant is a common houseplant....more »
    1285. Calcific aortic disease with immunologic abnormalities, familial
     A rare familial condition characterized by the abnormal calcification of the aorta and aortic valve. The calcification can narrow the aortic valve opening and hence affect blood flow. The condition also includes immunological abnormalities...more »
    1286. Calcification of basal ganglia with or without hypocalcemia
     Calcification of a part of the brain called the basal ganglia. That calcification may be associated with conditions such as hypothyroidism, cytomegalovirus, and AIDS or may occur for no apparent reason. The severity of the condition may vary greatly from ...more »
    1287. Calcium deficiency
     Dietary deficiency of calcium....more »
    1288. Calf muscle strain
     Damage to the calf muscle due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the severity of ...more »
    1289. California encephalitis
     An uncommon mosquito born virus (California encephalitis virus) which can cause brain inflammation in humans. The severity of symptoms is variable. The incubation period can last from a few days to a week. Infants and children tend to be more severely aff...more »
    1290. Calla lily poisoning
     A bulb plant which bears large colored or white flower-like structure on long leafless stems. It is often grown in gardens or used in flower arrangements. The plant contains chemicals including calcium oxalate crystals which are highly toxic if eaten. Dea...more »
    1291. Calla poisoning
     All parts of the Calla plant are poisonous, particularly the sap. It contains a compound called calcium oxalate crystals which can cause abrasive injuries on sensitive eyes or mucosal tissues of the digestive tract....more »
    1292. Callistin shellfish poisoning
     The Callistin shellfish (Japanese Callista) is found primarily in Japan. Eating the whole shellfish can cause poisoning symptoms in humans. It is believed that the ovaries contain high levels of choline during spawning season which makes them toxic to hum...more »
    1293. Campomelic Syndrome
     A rare condition characterized by dwarfism due to bowed shin and thigh bones as well as various craniofacial and other skeletal anomalies....more »
    1294. Campomelic dwarfism
     A rare genetic disorder characterized by bowed tibia, underdeveloped shoulder blades and a flat face....more »
    1295. Campylobacter fetus infection
     Campylobacter fetus is a food borne bacterial infection which may vary in severity from mild to severe. The bacteria are opportunistic and mainly affect debilitated patients but can also occur in healthy patients. Abortion due to blood infection in the fe...more »
    1296. Campylobacter food poisoning
     Common bacterial infection usually from chicken....more »
    1297. Campylobacter hylointestinalis infection
     Campylobacter hyloinstesinalis is a food borne bacterial infection which may cause mild to severe gastroenteritis. Cattle, pigs, hamsters and deer are the main source of this bacteria....more »
    1298. Campylobacter jejuni
     Rod shaped bacteria causing diarrhea....more »
    1299. Campylobacter jejuni infection
     Campylobacter jejuni infection is a common food borne bacterial infection which may vary in severity from mild to severe. Death can occur in severe cases but tends to occur in patients with other existing illnesses such as HIV, cancer or liver disease. Th...more »
    1300. Campylobacter jejuni subspecies doylei infection
     A bacterial infection that involves bacteria from the Campylobacter family. It tends to cause gastrointestinal symptoms....more »
    1301. Campylobacter laridis infection
     Campylobacter laridis is a food borne bacterial infection which may cause mild to severe gastroenteritis in healthy individuals and blood infection in immunocompromised patients....more »
    1302. Campylobacter sputorum infection
     A bacterial infection that involves bacteria from the Campylobacter family. It tends to cause gastrointestinal symptoms....more »
    1303. Camurat-Engelmann disease, type 2
     A rare syndrome characterized by a range of abnormalities including waddling gait, muscle weakness, knee and hip contractures, delayed puberty and leg pain....more »
    1304. Camurati Engelmann disease, type 2
     A rare disorder (described in two patients) which has similar symptoms to the genetic condition called Camurati Engelmann disease but the genetic defect responsible for type 1 is not present in type 2. Type 2 has additional bone abnormalities which were n...more »
    1305. Camurati-Engelmann Disease
     A rare genetic connective tissue disorder characterized by diaphyseal dysplasia, muscle weakness and leg pain....more »
    1306. Canary allergy
     A canary allergy is an adverse reaction by the body's immune system to canaries. The allergy is usually associated with the skin, feathers or excrement from the canary. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine i...more »
    1307. Canary ivy poisoning
     Canary ivy is a vine which bears small yellowish-green flowers and black fruit. It is often used indoors and outdoors as an ornamental plant. The berries and leaves contain chemicals such a saponin which can cause severe skin irritation....more »
    1308. Canavan disease
     Rare genetic degenerative brain disease in infants....more »
    1309. Canavan leukodystrophy
     A rare inherited disorder where a chemical imbalance in the brain leads to spongy degeneration of the central nervous system which results in progressive mental deterioration and associated symptoms....more »
    1310. Cancer
     Abnormal overgrowth of body cells....more »
    1311. Cancer of Unknown Primary Site
     Metastatic cancer whose original source is unknown....more »
    1312. Cancer of floor of mouth
     The floor of the mouth is a horseshoe-shaped area under the tongue, between the lower jaw bones (the mandible). When a malignant tumor grows in this area it is called floor of the mouth cancer....more »
    1313. Cancerophobia
     An exaggerated or irrational fear of cancer....more »
    1314. Cancerphobia
     An exaggerated or irrational fear of cancer....more »
    1315. Candelabra cactus poisoning
     The Candelabra cactus is a spiny cactus with a milky sap. The sap contains a chemical called diterpene ester which is mildly toxic if eaten and can cause minor skin irritation upon skin contact....more »
    1316. Candida esophagitis
     Candida esophagitis is a fungal or yeast infection of the esophagus. It generally occurs secondary to a fungal infection of the mouth and primarily affects patients with poor immune system function....more »
    1317. Candidiasis
     Fungal infection of moist areas such as mouth or vagina...more »
    1318. Candidiasis familial chronic mucocutaneous, autosomal dominant, with thyroid disease
     A dominantly inherited condition characterized by poor immunity to fungal infections (particularly those caused by Candida albicans) as will as thyroid disease. Persistent fungal infections tend to affect the nails, skin or mucous membranes. The degree of...more »
    1319. Candle poisoning
     Candles can cause a gastrointestinal blockage if excessive quantities are eaten....more »
    1320. Canker sores
     Ulcers of the mouth or nearby areas...more »
    1321. Caper spruge poisoning
     The caper spruge is a herb which has a milky sap and bears flowers and fruit. The plant originated in Europe and tends to grow in mountainous areas. The plant sap contains diterpene esters which is mildly toxic if eaten and can cause minor skin irritation...more »
    1322. Capillaria philippiensis infection
     A fish borne parasite that can infect humans. Transmission most often occurs through ingestion of contaminated fish. Severity of symptoms tend to increase as the number of worms multiply in the intestines. Death can occur if the condition is left untreate...more »
    1323. Capillary leak syndrome with monoclonal gammopathy
     A rare condition characterized by leaky blood vessels and an increased level of certain blood proteins (monoclonal gammopathy). Monoclonal gammopathy itself does not cause any symptoms unless it develops into plasma cell leukemia. The condition may vary f...more »
    1324. Capnocytophaga
     A bacterial infection caused by Capnocytophaga canimorsus which is often found in normal healthy cats and dogs. The infections tends to occur mainly in immunocompromised patients, alcoholics or patients who have chronic respiratory disease or have had the...more »
    1325. Captopril -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Captopril during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of ex...more »
    1326. Carbamate insecticide poisoning
     Excessive ingestion of carbamate insecticide drugs....more »
    1327. Carbamazepine -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Carbamazepine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level o...more »
    1328. Carbon disulfide-induced cardiovascular disease
     Chronic exposure to certain chemicals can cause cardiovascular disease. For example, exposure to Carbon disulfide can lead to heart disease and carries a risk of premature death as a result. Chronic exposure to these sort of chemicals is most likely to oc...more »
    1329. Carcinoid
     A carcinoid tumor is a type of neuroendocrine tumor which tends to occur in the lungs or gastrointestinal tract. Symptoms will vary depending on the location of the tumor....more »
    1330. Carcinoid crisis
     Carcinoid crisis can occur spontaneously or as a response to stress, such as anesthesia or chemotherapy....more »
    1331. Carcinoid of Gastrointestinal Tract
     Carcinoid tumor in the digestive tract....more »
    1332. Carcinoid syndrome
     Carcinoid heart disease is a rare, metastatic disease that occurs predominantly in the right heart. The tricuspid and pulmonic valves are affected, leading to right heart failure, which results in increased morbidity and mortality....more »
    1333. Carcinoma of the vocal tract
     Cancer of the vocal cords in the larynx....more »
    1334. Carcinoma, squamous cell of head and neck
     A type of cancer that occurs in the mucosal lining of parts of the head and neck e.g. esophagus, sinuses, nasal cavity, pharynx, mouth and lips. Symptoms will vary depending on the exact location of the cancer....more »
    1335. Carcinomatophobia
     An exaggerated or irrational fear of cancer....more »
    1336. Carcinomatous meningitis
     Carcinomatous meningitis, is a form of metastatic cancer that has spread to the lining of the brain and spinal cord, the parts of the body that make up the central nervous system....more »
    1337. Carcinomophobia
     An exaggerated or irrational fear of cancer....more »
    1338. Carcinophobia
     An exaggerated or irrational fear of cancer....more »
    1339. Cardiac arrest
     Stoppage of the heart, usually caused by heart attack...more »
    1340. Cardiac compression syndrome
     Symptoms caused by compression of the heart which can be caused by abnormal curvature of the spine or rib cage deformities which restrict the chest space....more »
    1341. Cardiac diverticulum
     A rare congenital heart malformation involving the outpouching (diverticulum) of a ventricle which can affect heart function to varying degrees depending on the size and location of the defect....more »
    1342. Cardiac hydatid cysts with intracavitary expansion
     A parasitic infection that occurs in the heart. Hydatid cyst is the larval stage of a parasite called echinococcus granulosus. Symptoms will depend on the exact location of the cyst. Usually the liver and lungs are involved....more »
    1343. Cardiac malformation
     Any malformation or structural defect of the heart or it's structures. Some examples include atrioventricular septal defect, conotruncal malformations, transposition of great vessels and heart valve dysplasia. The symptoms vary in nature and severity depe...more »
    1344. Cardiac tamponade
     Symptoms caused by compression of the heart due to the accumulation of blood or fluid in the space between the heart muscle and the membrane covering the heart....more »
    1345. Cardiac valvular dysplasia, X-linked
     An inherited (X-linked) form of heart disease involving mitral or aortic valve regurgitation. Females are carriers and hence asymptomatic whereas males displayed symptoms....more »
    1346. Cardioencephalomyopathy fatal infantile due to cytochrome c oxidase deficiency
     A very rare inherited metabolic disorder where the body doesn't have enough of an enzyme called cytochrome C oxidase (COX) which is needed in the process of energy production by body cells. The fatal infant type generally affects the hear, brain and kidne...more »
    1347. Cardiomegaly
     An enlarged heart from any cause....more »
    1348. Cardiomegaly -- bronchitis -- emphysema syndrome
     A rare syndrome characterized by the association of bronchitis, emphysema and an enlarged heart. The condition is often associated with long-term chronic alcoholism....more »
    1349. Cardiomyopathy -- hearing loss, type t RNA lysine gene mutation
     A rare inherited disorder characterized by heart muscle disease and deafness. The deafness is inherited from the mother and is caused by a genetic defect. Patients may be asymptomatic for a number of years. The rate of progression of the disorder is varia...more »
    1350. Cardiomyopathy -- hearing loss, type tRNA-LYS gene mutation
     A rare inherited condition characterized by the association of cardiomyopathy and deafness....more »
    1351. Cardiomyopathy -- hypogonadism -- metabolic anomalies
     A rare syndrome characterized mainly by heart muscle disease, hypogonadism, blindness, deafness and metabolic anomalies. Puberty was normal despite the hypogonadism....more »
    1352. Cardiomyopathy -- spherocytosis
     A rare disorder characterized by the association of spherocytosis with heart muscle disease. Spherocytosis is a red blood cell disorder where the red blood cells have abnormal membranes which gives them a spherical shape and makes them weak resulting in t...more »
    1353. Cardiomyopathy cataract hip spine disease
     A rare genetic disorder characterized by heart muscle disease, cataracts and hip and spinal problems....more »
    1354. Cardiomyopathy dilated 10
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the heart's ability to function normally. The disorder is caused by the degeneration of the heart's conduction system. Type 10 is caused by a defect in the A...more »
    1355. Cardiomyopathy dilated 1B
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1B is caused by a defect on chromos...more »
    1356. Cardiomyopathy dilated 1C
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1C is caused by a defect in the LDB...more »
    1357. Cardiomyopathy dilated 1D
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1D is caused by a defect in the car...more »
    1358. Cardiomyopathy dilated 1G
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1G is caused by a defect in the tit...more »
    1359. Cardiomyopathy dilated 1H
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1H is caused by a defect on chromos...more »
    1360. Cardiomyopathy dilated 1I
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1I is caused by a defect in the des...more »
    1361. Cardiomyopathy dilated 1J
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Hearing impairment also becomes apparent...more »
    1362. Cardiomyopathy dilated 1K
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1K is caused by a defect on chromos...more »
    1363. Cardiomyopathy dilated 1L
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1L is caused by a defect in the del...more »
    1364. Cardiomyopathy dilated 1M
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1M is caused by a defect in the CSR...more »
    1365. Cardiomyopathy dilated 1N
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1N is caused by a defect in the tel...more »
    1366. Cardiomyopathy dilated 1P
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1P is caused by a defect in the pho...more »
    1367. Cardiomyopathy dilated 1Q
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1Q is caused by a defect on chromos...more »
    1368. Cardiomyopathy dilated 1R
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1R is caused by a defect in the ACT...more »
    1369. Cardiomyopathy dilated 1S
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1S is caused by a defect in the hea...more »
    1370. Cardiomyopathy dilated 1T
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1T is caused by a defect in the TMP...more »
    1371. Cardiomyopathy dilated 1U
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1U is caused by a defect in the PSE...more »
    1372. Cardiomyopathy dilated 1W
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1W is caused by a defect in the met...more »
    1373. Cardiomyopathy dilated 1Y
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the heart's conduction system. Type 1Y is caused by a genetic defect o...more »
    1374. Cardiomyopathy dilated 1Z
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the heart's conduction system. Type 1Z is caused by a genetic defect o...more »
    1375. Cardiomyopathy dilated 2A
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 2A is caused by a defect in the TNN...more »
    1376. Cardiomyopathy dilated 3B
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 3B is caused by a defect in the dys...more »
    1377. Cardiomyopathy dilated with conduction defect
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system....more »
    1378. Cardiomyopathy dilated with conduction defect type 1
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 1 is caused by a defect in the lami...more »
    1379. Cardiomyopathy dilated with conduction defect type 2
     An inherited form of heart muscle disease where the heart ventricles become dilated which affects the hearts ability to function normally. The disorder is caused by the degeneration of the hearts conduction system. Type 2 is caused by a defect in the card...more »
    1380. Cardiomyopathy due to anthracyclines
     Damage to the heart muscle caused by anthracycline drugs which are used in chemotherapy. The damage occurs more frequently with higher cumulative doses. Often the patients have no symptoms of the heart damage for many year....more »
    1381. Cardiophobia
     An exaggerated or irrational fear of heart disease....more »
    1382. Cardiospasm
     Failure of the lower oesophageal sphincter to relax, resulting in food build up in the upper oesophagus....more »
    1383. Cardiotoxicity -- Ammonia
     Exposure to Ammonia can have a toxic effect on the heart and may result in pulmonary edema. The degree of toxicity may be influenced the duration and level of exposure to the chemical....more »
    1384. Cardiotoxicity -- Hydrogen Chloride
     Exposure to Hydrogen Chloride can have a toxic effect on the heart and may result in pulmonary edema. The degree of toxicity may be influenced the duration and level of exposure to the chemical....more »
    1385. Cardiotoxicity -- Nitrogen Dioxide
     Exposure to Nitrogen Dioxide can have a toxic effect on the heart and may result in pulmonary edema. The degree of toxicity may be influenced the duration and level of exposure to the chemical....more »
    1386. Cardiotoxicity -- Ozone
     Exposure to Ozone can have a toxic effect on the heart and may result in pulmonary edema. The degree of toxicity may be influenced the duration and level of exposure to the chemical....more »
    1387. Carnation poisoning
     The carnation is a perennial flowering herb with narrow grayish leaves. The plant originated in Eurasia and is often grown in gardens and used in flower arrangements. The leaves contain triterpenoid saponins which can cause symptoms if sufficient quantiti...more »
    1388. Carnevale-Canun-Mendoza syndrome
     A rare disorder characterized by loss of bone tissue in the wrists and ankles as well as kidney problems....more »
    1389. Carnevale-Krajewska-Fischetto syndrome
     A rare genetic disorder characterized by drooping eyelids, hip problems, undescended testes and developmental delay....more »
    1390. Carnitine Palmitoyl Transferase II Deficiency
     A very rare inherited deficiency of a particular enzyme (Carnitine palmitoyl transferase 1) prevents fatty acids being transported to the part of the cell that converts it to energy. There are two main subtypes of the disorder with each involving a slight...more »
    1391. Carnitine palmitoyl transferase 2 deficiency
     A very rare inherited deficiency of a particular enzyme (Carnitine palmitoyl transferase) which prevents fatty acids being transported to the part of the cell that converts it to energy. There are two main subtypes of the disorder with each involving a sl...more »
    1392. Carnitine palmitoyl transferase II deficiency, infantile hepatocardiomuscular type
     A very rare metabolic disorder where deficiency of a particular enzyme (CPT II) prevents muscle fats being converted to energy. The infantile form of this disease affects the muscles and the liver and heart....more »
    1393. Carnitine palmitoyl transferase II deficiency, lethal neonatal form
     A very rare metabolic disorder where deficiency of a particular enzyme (CPT II) prevents muscle fats being converted to energy. The lethal neonatal form affects various organs as well as the muscles and death usually occurs during the first year of life....more »
    1394. Carnitine palmitoyl transferase II deficiency, myopathic
     A very rare metabolic disorder where deficiency of a particular enzyme (CPT II) prevents muscle fats being converted to energy. Prolonged exercise can cause an episode of muscle symptoms. The myopathic form of the condition is the least severe and tends t...more »
    1395. Carnitine palmitoyl transferase deficiency
     A very rare inherited deficiency of a particular enzyme (Carnitine palmitoyl transferase) which prevents fatty acids being transported to the part of the cell that converts it to energy. There are two main subtypes of the disorder with each involving a sl...more »
    1396. Carnitine-acylcarnitine translocase deficiency
     A very rare inherited metabolic disorder where long-chain fatty acids can't be metabolized properly because the compound needed to transport it is faulty. Ultimately this prevents certain fats (long-chain acylcarnitine) being converted to energy and resul...more »
    1397. Caroli Disease
     A rare disorder where the bile ducts inside the liver become enlarged resulting in infection, irritation and gallstone formation....more »
    1398. Carotenemia
     Excessive beta-carotene in the blood causing orange skin...more »
    1399. Carotid Paraganglioma
     A rare, usually benign tumor found in the carotid artery in the neck. The tumor develops from glomus cells which are located along blood vessels involved in automatic body activities such as regulation of blood pressure and blood flow....more »
    1400. Carpal Tunnel Syndrome
     Hand or wrist problems; often from repetitive motion....more »
    1401. Carpal deformity -- micrognathia -- microstomia
     A very rare syndrome characterized by wrist bone defects, a small jaw and a small mouth....more »
    1402. Cartilaginous -- arthritic -- ophthalmic -- deafness syndrome
     A rare syndrome characterized by the association of eye, joint and cartilage disease as well as deafness....more »
    1403. Cartilaginous neoplasms
     Tumors made up of cartilage tissue. The tumors may be benign or malignant and the symptoms will depend on the location and size of the tumors. The tumors can form on parts of the body such as the arm and leg bones or even in the pharynx. The tumors may ca...more »
    1404. Carukia barnesi sting
     The Irukandji jellyfish is a very small type of box jellyfish found mainly in the northern tropical waters of Australia. Their sting is not particularly painful by the ensuing symptoms can be severe and life-threatening....more »
    1405. Cast syndrome
     Obstruction of the third part of the duodenum by an artery following the use of a body plaster cast or a Bradford frame....more »
    1406. Castellani syndrome
     A rare syndrome characterized by fever, arthritis and enlarged kidney and liver. The fever may fluctuate or come and go. It is most often seen in middle aged males....more »
    1407. Cat Eye Syndrome
     A rare chromosomal disorder involving abnormalities of chromosome 22 and characterized by coloboma of the iris, down-slanting palpebral fissures and anal atresia....more »
    1408. Cat allergy
     A cat allergy is an adverse reaction by the body's immune system to cats. The allergy is usually associated with the skin, saliva or urine of cats. Cats frequently lick themselves which results in saliva sticking to the fur. Thus a person allergic to cats...more »
    1409. Cat bite
     Bite from a cat....more »
    1410. Cat scratch disease
     An infectious disease transmitted through a cat's bite, scratch or lick and resulting primarily in lymph node pain and swelling. The condition can be mild or severe....more »
    1411. Catamenial pneumothorax
     A collapsed lung that occurs at the same time as menstruation. The condition is believed to be caused by the presence of endometrial tissue in the chest cavity. The endometrial tissue produces blood (just as in the uterus) and can result in the lung colla...more »
    1412. Catamenial seizure
     A type of seizure that is associated with the female menstrual cycle. It appears that flucutations in hormone levels leads to increased seizure activity in some women just before or during their menstrual cycle. Simple or complex partial seizures or gener...more »
    1413. Cataract -- Hypertrichosis -- Intellectual Deficit
     A rare genetic disorder characterized mainly by excessive body hair (especially on the back, shoulders and sides of the face), cataracts and mental retardation....more »
    1414. Cataract -- aberrant oral frenula -- growth delay
     A rare syndrome characterized by cataracts, growth problems and abnormal mouth tissue (frenulum)....more »
    1415. Cataract -- ataxia -- deafness
     A rare syndrome characterized by cataracts, ataxia and progressive deafness....more »
    1416. Cataract -- intellectual deficit -- anal atresia -- urinary defects
     A very rare syndrome characterized mainly by cataracts, mental retardation and genitourinary tract abnormalities and absent anal opening....more »
    1417. Cataract Hutterite type
     An inherited form of cataract that occurs in children and is not associated with any other abnormalities....more »
    1418. Cataract and cardiomyopathy
     A rare syndrome characterized by the association of congenital cataracts, heart muscle disease, lactic acidosis and skeletal muscle disease. The disorder involves the abnormal storage of lipids and glycogen in the skeletal and heart muscles. The cataracts...more »
    1419. Cataract and congenital ichthyosis
     A rare syndrome characterized by the presence of cataracts and a dry, scaly skin condition (ichthyosis) at birth or soon after....more »
    1420. Cataract congenital dominant non nuclear
     A dominantly inherited form of cataract which varied in size, pattern and location of the lens opacities....more »
    1421. Cataract dental syndrome
     A very rare inherited condition mainly involving eye abnormalities but also various other physical abnormalities. The type and severity of symptoms is variable....more »
    1422. Cataract skeletal anomalies
     A condition characterized by the association of cataracts and skeletal anomalies. Variable other symptoms may also be present....more »
    1423. Cataract, Zonular Pulverulent 1
     A genetic form of congenital cataract inherited in an autosomal dominant manner. Diagnosis usually occurs in the first few years of life. Type 1 refers to the fact that this subtype is linked to a defect on chromosome 1q21.1....more »
    1424. Cataract, Zonular Pulverulent 3
     A genetic form of congenital cataract inherited in an autosomal dominant manner. Diagnosis usually occurs in the first few years of life. Type 3 refers to the fact that this subtype is linked to a defect on chromosome 13q11....more »
    1425. Cataract, alopecia, sclerodactyly
     A rare disorder characterized by cataracts, lack of hair and skin changes in the hands and feet....more »
    1426. Cataract, anterior polar, dominant
     A rare, dominantly inherited type of cataract which is characterized by small opacities on the front surface of the eye lens. Vision is usually not affected and the cataract is not associated with any other abnormalities. Type 1 is caused by a genetic def...more »
    1427. Cataract, autosomal recessive congenital 2
     A rare, recessively inherited, genetic eye disorder involving congenital cataracts (cloudy eye lens)....more »
    1428. Cataract, autosomal recessive congenital 3
     A rare, recessively inherited, genetic eye disorder involving congenital cataracts (cloudy eye lens). Type 3 is distinguished by the origin of the genetic defect which is linked to the cataracts....more »
    1429. Cataract, congenital nuclear, autosomal recessive 1
     A rare recessively inherited type of congenital cataract that is not associated with any other abnormality. Type 1 is caused by a mutation on chromosome 19q13....more »
    1430. Cataract, congenital nuclear, autosomal recessive 2
     A rare recessively inherited type of congenital cataract that is not associated with any other abnormality. Type 2 is caused by a mutation in the beta-B3 crystallin gene on chromosome 22q11.2-q12.2....more »
    1431. Cataract, congenital, Volkmann type
     A dominantly inherited form of cataract that was observed in a family named Volkmann. Cataract surgery was required in most cases within the first 20 years of life....more »
    1432. Cataract, congenital, autosomal dominant
     A dominantly inherited form of cataract....more »
    1433. Cataract, congenital, cerulean, type 1
     A type of cataract that occurs at birth or soon after and has a characteristic blue color with spoke-like opacities radiating from the centre of the lens. Type 1 is caused by a defect on chromosome 17q24....more »
    1434. Cataract, congenital, cerulean, type 2
     A type of cataract that occurs at birth or soon after and has a characteristic blue color with spoke-like opacities radiating from the centre of the lens. Type 2 is caused by a defect on chromosome 22q11.2-q12.2....more »
    1435. Cataract, congenital, cerulean, type 3
     A type of cataract that occurs at birth or soon after and has a characteristic blue color with spoke-like opacities radiating from the centre of the lens. Type 3 is caused by a defect on chromosome 2q33-q35....more »
    1436. Cataract, congenital, with microcornea or slight microphthalmia
     A rare genetic eye disorder characterized by congenital cataracts (cloudy eye lens) and slightly small eyes or small corneas....more »
    1437. Cataract, crystalline aculeiform or frosted
     An inherited form of congenital cataract characterized by tiny, needle-like crystals in the axial part of the eye lens. It usually affects both eyes and the degree of vision impairment is variable....more »
    1438. Cataract, crystalline coralliform
     An inherited form of congenital cataract characterized by opacities in the eye lens which resembles sea coral. It usually affects both eyes and the degree of vision impairment is variable....more »
    1439. Cataract, juvenile, with microcornea and glucosuria
     A rare disorder characterized by the association of juvenile cataracts, small corneas and excessive glucose in the urine....more »
    1440. Cataract, microphthalmia and nystagmus
     A rare genetic eye disorder characterized by congenital cataracts (cloudy eye lens), small eyes and rapid, involuntary eye movements....more »
    1441. Cataract, posterior polar, 1
     An inherited form of cataract caused by a defect on chromosome 1pter-p36.1....more »
    1442. Cataract, posterior polar, 2
     An inherited form of cataract caused by a defect in the CRYAB gene on chromosome 11q....more »
    1443. Cataract, posterior polar, 3
     An inherited form of cataract caused by a defect in the CHMP4B gene on chromosome 20q11....more »
    1444. Cataract, posterior polar, 4
     An inherited form of cataract caused by a defect in the PITX3 gene on chromosome 10q25....more »
    1445. Cataract, posterior polar, 5
     An inherited form of cataract caused by a defect on chromosome 14q22-q23. The cataract becomes apparent during early childhood and slowly progresses....more »
    1446. Cataract, total congenital
     An inherited form of cataract which is present at birth and involves opacity of the whole lens....more »
    1447. Cataract, zonular
     A congenital cataract where the lens opacities occur around the nucleus but not within it....more »
    1448. Cataract-glaucoma
     A rare syndrome characterized by congenital cataracts in both eyes as well as glaucoma which tends to occur between the ages of 10 and 40....more »
    1449. Cataract-microcornea syndrome
     A rare disorder characterized mainly early onset cataracts, small corneas and myopia....more »
    1450. Cataracts
     Cloudy areas on the eye's cornea interfering with vision....more »
    1451. Catastrophic Antiphospholipid Syndrome
     A very rare disorder where the blood clotting system becomes dysfunctional and clots too easily due to the abnormal presence of antphospholipid antibodies. It results in blood flow blockages to various body organs. It is possible that the condition has au...more »
    1452. Caterpillar complication poisoning
     The spines on certain caterpillars can cause a skin reaction as well as systemic symptoms if ingested. The nature of the symptoms vary depending on the species of caterpillar involved. Some only produce skin reactions whereas others can produce systemic s...more »
    1453. Caterpillar-induced bleeding syndrome
     Caterpillars from the Lonomia genus have spines along their body which can penetrate human skin and cause blood coagulation problems. The severity of the symptoms vary depending on the degree of envenomation but serious cases can result in death....more »
    1454. Caterpillar-induced bleeding syndrome -- Lonomia achelous
     Lonomia achelous caterpillars are native to Northern Brazil and Venezuela. They have spines along their body which can penetrate human skin and cause blood coagulation problems. The severity of the symptoms vary depending on the degree of envenomation but...more »
    1455. Caterpillar-induced bleeding syndrome -- Lonomia obliqua
     Lonomia obliqua caterpillars are native to Southern Brazil and have spines along their body which can penetrate human skin and cause blood coagulation problems. The severity of the symptoms vary depending on the degree of envenomation but serious cases ca...more »
    1456. Catheter infection
     Infection due to an inserted catheter...more »
    1457. Cathinone poisoning
     Cathinone comes from the leaves of the Khat plant which is native to eastern Africa. Cathinone is a stimulant as well as have pain killing, weight loss and neuromuscular effects. The psychoactive effects are usually utilized by chewing on the leaves of th...more »
    1458. Cathisophobia
     An exaggerated or irrational fear of sitting down....more »
    1459. Catoptrophobia
     An exaggerated or irrational fear of mirrors....more »
    1460. Cauda equina syndrome
     Is a neurological syndrome which occurs when a vertebral disc protrudes and compresses the spinal cord....more »
    1461. Caudal appendage -- deafness
     A very rare syndrome characterized mainly by deafness, finger bone abnormalities and a spinal extension giving a tail-like appearance (caudal appendage)....more »
    1462. Caustic or corrosive substance ingestion
     Ingestion of a caustic (alkaline) or corrosive (acidic) substance. Many cases occur when children ingest cleaning products found in the home....more »
    1463. Cebagin-induced lead poisoning
     Cebagin is a folk remedy used mainly by Middle Eastern people to treat teething. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk r...more »
    1464. Celandine poisoning
     A biennial herb which bears small yellow flowers and a fruit capsule. The plant has a yellow-orange sap. Parts of the plant (mainly the roots) contain a highly toxic chemical called isoquinoline alkaloid which is toxic. Death can result if sufficient quan...more »
    1465. Celiac Disease
     Digestive intolerance to gluten in the diet....more »
    1466. Celiac artery stenosis from compression by median arcuate ligament of diaphragm
     A rare birth defect where a ligament (median arcuate) is located too low and compresses an artery (celiac artery). When the artery is compressed, blood flow is affected and abdominal pain and other symptoms may occur. The disorder is most common in thin f...more »
    1467. Celiac disease -- epilepsy -- occipital calcifications
     A rare syndrome characterized by celiac disease and epilepsy with brain calcifications....more »
    1468. Celiac disease, susceptibility to 1
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 6p21.3. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small int...more »
    1469. Celiac disease, susceptibility to 10
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 3q25-q26. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small i...more »
    1470. Celiac disease, susceptibility to 11
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 3q28. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intes...more »
    1471. Celiac disease, susceptibility to 12
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 6q25.3. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small int...more »
    1472. Celiac disease, susceptibility to 13
     The susceptibility to developing celiac disease due to a genetic defect in the SH2B3 gene on chromosome 12q24. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation...more »
    1473. Celiac disease, susceptibility to 2
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 5q31-q33. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small i...more »
    1474. Celiac disease, susceptibility to 3
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 2q33. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intes...more »
    1475. Celiac disease, susceptibility to 4
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 19p13.1. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small in...more »
    1476. Celiac disease, susceptibility to 5
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 15q11-q13. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small ...more »
    1477. Celiac disease, susceptibility to 6
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 4q27. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intes...more »
    1478. Celiac disease, susceptibility to 7
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 1q31. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intes...more »
    1479. Celiac disease, susceptibility to 8
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 2q11-q12. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small i...more »
    1480. Celiac disease, susceptibility to 9
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 3p21. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intes...more »
    1481. Cellulitis
     Inflammation of skin or subcutaneous tissues....more »
    1482. Celtophobia
     An exaggerated or irrational fear of Celts....more »
    1483. Cennamo-Gangemi syndrome
     A rare syndrome characterized by small eyes, congenital cataracts and hydrocephalus (buildup of fluid in the brain)....more »
    1484. Cenophobia
     An exaggerated or irrational fear of a void or open spaces....more »
    1485. Central nervous system infections
    1486. Central nervous system lymphoma, primary
     A type of lymphoma that occurs in the central nervous system (brain and spinal cord). A lymphoma consists of cancerous lymphocytes which are a type of white blood cell. Symptoms vary according to the location of the lymphoma....more »
    1487. Central nervous system protozoal infections
     A protozoal infection of the central nervous system (spinal cord or brain). The infection may originate in the central nervous system (primary infection) or may spread from another part of the body (secondary infection). The infection may occur in otherwi...more »
    1488. Central serous chorioretinopathy
     A rare eye disorder where fluid collects under the retina which affects vision. The condition usually resolves itself within 6 months though most people suffering lingering vision disturbances such as distortion, reduced sensitivity to contrast, impaired ...more »
    1489. Central sleep apnea
     Central sleep apnea is when the person repeatedly stops breathing during sleep because the brain temporarily stops sending signals to the muscles that control breathing....more »
    1490. Centriacinar Emphysema
     The abnormal permanent enlargement of air spaces distal to the terminal bronchioles, accompanied by the destruction of the walls and without obvious fibrosis. It begins in the respiratory bronchioles and spreads peripherally...more »
    1491. Centronuclear myopathy, congenital
     A severe inherited form of muscle wasting disease which often results in infant death....more »
    1492. Centrotemporal epilepsy
     A benign form of childhood epilepsy that tends to occur at night (during sleep) and involves mainly the face and mouth but may be generalized. The seizures tend to be short-lived and only involve one side of the face. The epilepsy usually resolves itself ...more »
    1493. Century Plant poisoning
     The Century Plant contains calcium oxalate crystals which can cause abrasive injuries to the eyes or mucosal linings. It can also cause skin inflammation. The sap is the most toxic part of the plant all though other parts such as the thorns can also cause...more »
    1494. Cephalosporin-induced Immune Hemolytic Anemia
     Cephalosporin-induced immune hemolytic anemia is a condition where a use of a medication called Cephalosporin triggers the body's immune system to destroy it's own red blood cells which results in anemia....more »
    1495. Cephalothoracic progressive lipodystrophy
     A rare acquired disorder that involves adipose tissue abnormalities and is characterized by loss of adipose tissue mainly in the trunk and arms....more »
    1496. Ceraunophobia
     An exaggerated or irrational fear of thunder and lightning....more »
    1497. Cercarial dermatitis
     A short-lived rash that occurs as an allergic reaction to larval (cercariae) infection of the skin. These particular parasites use birds and animals as their first hosts. Larval eggs are excreted in the faeces and when they land in water, they hatch into ...more »
    1498. Cerebellar abscess
     An abscess that forms in the part of the brain called the cerebellum. The abscess may result from other infections such as ear infections, dental abscess and lung infections. The prognosis is determined by the size and exact location of the abscess...more »
    1499. Cerebellar ataxia -- areflexia -- pes cavus -- optic atrophy -- sensorineural hearing loss
     A rare syndrome characterized mainly by ataxia, absent reflexes, high foot arch (pes cavus), progressive optic nerve degeneration and hearing impairment. The ataxic symptoms tended to occur early in life after an illness involving fevers. The ataxia then ...more »
    1500. Cerebellar ataxia, areflexia, pes cavus, optic atrophy and sensorinural hearing loss
     A rare syndrome characterized mainly by ataxia, absent reflexes, high foot arch (pes cavus), progressive optic nerve degeneration and hearing impairment. The ataxic symptoms tended to occur early in life after an illness involving fevers. The ataxia then ...more »
    1501. Cerebellar atrophy with progressive microcephaly
     A very rare disorder characterized mainly by a small brain, small head, underdeveloped brain, brain degeneration, contractures, eye problems and seizures....more »
    1502. Cerebellar hypoplasia
     A rare brain disorder where a part of the brain (cerebellum) fails to develop fully. The cerebellum is the part of the brain that controls balance and movement....more »
    1503. Cerebellar hypoplasia -- tapetoretinal degeneration
     A rare disorder character where a part of the brain (cerebellum) is underdeveloped and a nonprogressive eye disorder involving the retinal pigments. The cerebellum is the part of the brain that controls balance and movement....more »
    1504. Cerebelloparenchymal autosomal recessive disorder 3
     A rare, recessively inherited disorder characterized mainly by albinism, incoordination, low muscle tone and eye problems....more »
    1505. Cerebellum agenesis -- hydrocephaly
     A rare brain disorder which manifests as reduced muscle tone, ataxia, cataracts and mental retardation....more »
    1506. Cerebral Aneurysm
     Dangerous swelling of a brain blood vessel that may rupture....more »
    1507. Cerebral Arteriosclerosis
     Hardening or blockage of arteries in the brain....more »
    1508. Cerebral Atrophy
     Wasting away of the brain....more »
    1509. Cerebral Autosomal Recessive Arteriopathy with Subcortical Infarcts and Leukoencephalopathy
     A rare inherited condition characterized primarily by progressive degeneration of the brain white matter and disease of the brain blood vessels as well as additional symptoms not involving the brain e.g. thin skin, alopecia and spinal disc disease....more »
    1510. Cerebral Palsy
     Any brain disorder causing movement disability...more »
    1511. Cerebral abscess
     An abscess that forms in the part of the brain called the cerebrum. The abscess may result from other infections such as ear infections, dental abscess and lung infections. The prognosis is determined by the size and exact location of the abscess....more »
    1512. Cerebral astrocytoma, adult
     A very rare tumor that occurs in adults and develops in brain cells called astrocytes. The part of the brain involved is the cerebrum at the top of the head which controls functions such as reading, writing, thinking, learning, speech, emotion and volunta...more »
    1513. Cerebral cavernous malformations
     A rare disorder where a group of small abnormal blood vessels in the brain. These blood vessels become enlarged, irregularly shaped and thin walled. They swell when filled with blood and are then often unable to return to their original shape and the thin...more »
    1514. Cerebral contusion
     Injury of the cerebrum often causing bruising when the skin is not broken....more »
    1515. Cerebral hemorrhage with amyloidosis, hereditary, Dutch type
     An inherited condition characterized mainly by brain hemorrhage and amyloid deposits in the brain blood vessels. The size and location of the hemorrhage determines the severity of symptoms. The condition was first described in a Dutch family....more »
    1516. Cerebral ventricle neoplasm
     A tumor that occurs in the fluid-filled spaces of the brain called the ventricles. Symptoms vary depending on the size and exact location of the tumor and whether it is cancerous or not....more »
    1517. Cerebro-oculo-dento-auriculo-skeletal syndrome
     A very rare syndrome characterized by abnormalities of the brain, eyes, teeth, ears and skeleton....more »
    1518. Cerebro-oculo-nasal syndrome
     A rare syndrome characterized mainly by eye, nose and brain malformations....more »
    1519. Cerebrotendinous Xanthomatosus
     A rare syndrome where a genetic mutation results in a metabolic disorders caused by a deficiency of sterol 27-hydroxylase deficiency. The condition causes progressive neurological dysfunction, cataracts and premature atherosclerosis. Deposits of cholester...more »
    1520. Cerebrovascular Conditions
     Conditions of the brain's blood vessels including stroke....more »
    1521. Cerivastatin -- Teratogenic Agent
     There is evidence to indicate that exposure to Cerivastatin (a statin medication) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected ...more »
    1522. Ceroid lipofuscinosis, neuronal 1, infantile
     A rare inherited biochemical disorder involving the progressive accumulation of certain chemicals (lipopigments) in body tissues due to deficiency of an enzyme (palmitoyl-protein thioesterase) needed to process it....more »
    1523. Ceroid lipofuscinosis, neuronal 3, Juvenile
     A progressive genetic disorder where defective lipid metabolism that causes blindness, neurological deterioration, dementia leading to total incapication within years and death within 10-15 years....more »
    1524. Ceroid lipofuscinosis, neuronal 4
     A rare inherited biochemical disorder involving the progressive accumulation of certain chemicals (lipopigments) in body tissues due to deficiency of an enzyme (palmitoyl-protein thioesterase 1) needed to process it....more »
    1525. Ceroid lipofuscinosis, neuronal 9
     A rare metabolic disorder that affects the nerve cells of the body and is characterized by the deposits of lipopigments (lipofuscin). Type 9 is distinguished from other types by the origin of the genetic defect....more »
    1526. Cerulean cataract
     A type of cataract that occurs at birth or soon after and has a characteristic blue color with spoke-like opacities radiating from the centre of the lens....more »
    1527. Cervenka's syndrome
     A rare syndrome characterized by joint and facial abnormalities as well as nearsightedness and degenerative eye problems....more »
    1528. Cervical Cancer
     Cervical cancer is malignant cancer of the cervix uteri or cervical area...more »
    1529. Cervical ribs, sprengel anomaly, anal atresia, urethral obstruction
     A rare disorder characterized mainly by kidney and urinary system abnormalities, scoliosis and omphalocele. The features of the disorder are variable with male cases tending to be more severe than female cases. Only a few cases of this condition have been...more »
    1530. Cervicogenic headache
     Cervicogenic headache is a syndrome characterized by chronic hemicranial pain that is referred to the head from either bony structures or soft tissues of the neck....more »
    1531. Cervicooculoacoustic syndrome
     A rare genetic disorder characterized by ocular palsy, congenital perceptive deafness and fusion of the vertebrae in the neck....more »
    1532. Cervix conditions
     Conditions of the cervix (entrance) of the female uterus....more »
    1533. Chaetophobia
     An exaggerated or irrational fear of hair....more »
    1534. Chagas disease
     A parasitic infection caused by the protozoa Trypanosoma cruzi and transmitted by insect bites or blood transfusions. The disease primarily involves the heart and gastrointestinal system....more »
    1535. Chalazion
     Slow-growing swelling of the upper or lower eyelid usually caused by a blockage in the oil glands in the eyelid....more »
    1536. Chancroid
     An sexually transmitted disease caused by the Haemophilus ducreyi bacteria and is characterized by painful genital ulceration....more »
    1537. Chapple syndrome
     A rare birth disorder characterized by painful menstruation, knees bent back and a uterus that is tilted backwards (retroverted). It is believed to be caused by an abnormal fetal position inside the womb....more »
    1538. Char syndrome
     A very rare genetic disorder characterized mainly by an unusual facial appearance, abnormal little fingers and a heart abnormality....more »
    1539. Charcot-Marie-Tooth Disorder
     Degeneration of limb muscles....more »
    1540. Charcot-Marie-Tooth disease -- deafness
     Charcot-Marie-Tooth disease is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Charcot-Marie-Tooth disease ...more »
    1541. Charcot-Marie-Tooth disease deafness recessive type
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4D is inherited recessively and is caused by a ...more »
    1542. Charcot-Marie-Tooth disease, Type 1A
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 1A is inherited as an autosomal dominant patter...more »
    1543. Charcot-Marie-Tooth disease, Type 1B
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 1B is inherited as an autosomal dominant patter...more »
    1544. Charcot-Marie-Tooth disease, Type 1C
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 1C is inherited as an autosomal dominant patter...more »
    1545. Charcot-Marie-Tooth disease, Type 1D
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 1D is caused by a defect of the ERG2 gene on ch...more »
    1546. Charcot-Marie-Tooth disease, Type 1E
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 1E involves the usual CMT symptoms as well as d...more »
    1547. Charcot-Marie-Tooth disease, Type 1F
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 1F is caused by a defect of a gene in chromosom...more »
    1548. Charcot-Marie-Tooth disease, Type 2A
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function....more »
    1549. Charcot-Marie-Tooth disease, Type 2AI
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2A1 has an autosomal dominant inheritance and i...more »
    1550. Charcot-Marie-Tooth disease, Type 2AII
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2A2 has an autosomal dominant inheritance and i...more »
    1551. Charcot-Marie-Tooth disease, Type 2B
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2B has an autosomal dominant inheritance and in...more »
    1552. Charcot-Marie-Tooth disease, Type 2C
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2C has an autosomal dominant inheritance and in...more »
    1553. Charcot-Marie-Tooth disease, Type 2D
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2D has an autosomal dominant inheritance and in...more »
    1554. Charcot-Marie-Tooth disease, Type 2E
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2C has an autosomal dominant inheritance and in...more »
    1555. Charcot-Marie-Tooth disease, Type 2F
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2F has an autosomal dominant inheritance and in...more »
    1556. Charcot-Marie-Tooth disease, Type 2J
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2J has an autosomal dominant inheritance and in...more »
    1557. Charcot-Marie-Tooth disease, Type 4A
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4A has an autosomal recessive inheritance and i...more »
    1558. Charcot-Marie-Tooth disease, Type 4B1
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4B1 has an autosomal recessive inheritance and ...more »
    1559. Charcot-Marie-Tooth disease, Type 4B2, with early-onset glaucoma
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. This type is characterized by the involvement of gla...more »
    1560. Charcot-Marie-Tooth disease, Type 4C
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4B2 has an autosomal recessive inheritance and ...more »
    1561. Charcot-Marie-Tooth disease, Type 4E
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4B2 has an autosomal recessive inheritance and ...more »
    1562. Charcot-Marie-Tooth disease, Type 4F
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4F has an autosomal recessive form of inheritan...more »
    1563. Charcot-Marie-Tooth disease, Type 4G
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4G has an autosomal recessive form of inheritan...more »
    1564. Charcot-Marie-Tooth disease, Type 4H
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4H has an autosomal recessive form of inheritan...more »
    1565. Charcot-Marie-Tooth disease, X-linked
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type X2 is an inherited defect of the X chromosome a...more »
    1566. Charcot-Marie-Tooth disease, X-linked recessive, 4
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4X is an inherited defect of the X chromosome a...more »
    1567. Charcot-Marie-Tooth disease, X-linked recessive, 5
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type X5 is an inherited defect of the X chromosome a...more »
    1568. Charcot-Marie-Tooth disease, X-linked, 1
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type X1 is an inherited defect of the X chromosome (...more »
    1569. Charcot-Marie-Tooth disease, type 1
     A slow-progressing muscle disease characterized by muscle weakness and wasting that starts in the hands and feet. Very few patients become wheelchair dependent and life span is not affected. The disorder is inherited in an dominant pattern an involves dem...more »
    1570. Charcot-Marie-Tooth disease, type 2
     A rare inherited disorder characterized by abnormalities in the axon of the peripheral nerve cells instead of the myelin sheath coating of the nerves. The condition manifests as muscle weakness and wasting that usually starts in the legs and spreads to th...more »
    1571. Charcot-Marie-Tooth disease, type 4
     A rare group of demyelinating motor and sensory neuropathies consisting of a number of subtypes. The various subtypes are caused by different genetic defects....more »
    1572. Charcot-Marie-Tooth type 1 aplasia cutis congenital
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. This form of the condition is inherited recessively ...more »
    1573. Charcot-Marie-Tooth, demyelinating, autosomal recessive
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4 has an autosomal recessive form of inheritanc...more »
    1574. Charlin's syndrome
     A syndrome involving severe pain along the nasociliary nerve which is part of the an eye nerve that leads to the mucosal lining of part of the nose cavity. The pain can be extremely severe in some cases....more »
    1575. Chat room addiction
     Chat room addiction refers to the excessive amounts of time spent on computer chat rooms. When the person attempts to reduce the amount of time spent on the activity they suffer withdrawal symptoms such as irritability and anxiety. The preoccupation can c...more »
    1576. Chediak-Higashi Syndrome
     An inherited immune system disorder characterized by reduced pigmentation, recurrent infection and neurological disorders....more »
    1577. Cheese Washer's lung
     Inhalation of cheese particles contaminated with bacteria in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reactin...more »
    1578. Cheese Washer's lung -- Penicillium spp.
     Inhalation of cheese particles contaminated with bacteria (Penicillium spp.) in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's im...more »
    1579. Cheimatophobia
     An exaggerated or irrational fear of cold....more »
    1580. Chemical addiction
     Addiction to and abuse of various substances....more »
    1581. Chemical adverse reaction -- Cesium
     Cesium is a chemical used mainly in the photosterilization of foods such as wheat and potatoes and in the manufacture of photoelectric cells. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varie...more »
    1582. Chemical burn -- airways
     Burns to the airways caused by a chemical - usually through inhalation but can also occur through aspiration if the chemical is swallowed. Symptoms vary depending on the type, quantity and strength of the chemical involved as well as the duration of the e...more »
    1583. Chemical burn -- eyes
     Burns to the eye caused by a chemical. Symptoms vary depending on the type, quantity and strength of the chemical involved as well as the duration of the exposure to the chemical and promptness of treatment measures. Immediate medical attention should be ...more »
    1584. Chemical burn -- ingestion
     Burns to the mouth and gastrointestinal system caused by swallowing a chemical. Symptoms vary depending on the type, quantity and strength of the chemical involved as well as the duration of the exposure to the chemical and promptness of treatment measure...more »
    1585. Chemical burn -- inhalation
     Burns to the airways caused by a chemical through inhalation. Symptoms vary depending on the type, quantity and strength of the chemical involved as well as the duration of the exposure to the chemical and promptness of treatment measures. Immediate medic...more »
    1586. Chemical burn -- skin
     Burns to the skin caused by a chemical. Symptoms vary depending on the type, quantity and strength of the chemical involved as well as the duration of the exposure to the chemical and promptness of treatment measures....more »
    1587. Chemical meningitis
     Symptomatic aseptic, chemical meningitis is a rare complication of myelography. A number of these cases have a history of one or more episodes of chemical meningitis preceding their arachnoiditis....more »
    1588. Chemical pneumonia
     Lung inflammation from inhaled chemicals...more »
    1589. Chemical poisoning
     Morbid condition caused by chemical....more »
    1590. Chemical poisoning -- 1,1-Dichloroethene
     1,1-Dichloroethene is a chemical used in packaging, food wraps, carpet backing, adhesives and steel pipe coating. The main effects of an overdose of this chemical central nervous depression and central nervous system depression. However, some people can s...more »
    1591. Chemical poisoning -- 1,1-Dimethylhydrazine
     1,1-Dimethylhydrazine is a chemical used mainly in jet fuel and rocket fuel, plant growth agent, photography and various other industrial uses. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms var...more »
    1592. Chemical poisoning -- 1,2-Dibromo-3-Chloropropane
     1,2-Dibromo-3-Chloropropane is a chemical used in soil fumigants and as a nematocide for various field crops. Commercial examples include Fumagon, Nemagon, Fumazone, Nemapax, Nemafume. Excessive exposure to this chemical can cause relatively mild symptoms...more »
    1593. Chemical poisoning -- 1,2-Dibromoethane
     1,2-Dibromoethane is a chemical used in gasoline, soil fumigants, fire extinguishers, flue gases and mechanical gauge fluid. Excessive exposure to this chemical can cause serious symptoms. Some people can suffer an adverse reaction to the chemical. The ty...more »
    1594. Chemical poisoning -- 1,3-Butadiene
     1,3-Butadiene is a chemical used in crop fungicides, carpet backing, paper coating and foams. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1595. Chemical poisoning -- 1,3-Dichloropropene
     1,3-Dichloropropene is a chemical used in solvents and soil fumigants for nematode control. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1596. Chemical poisoning -- 1,3-Dinitrobenzene
     1,3-Dinitrobenzene is a chemical used mainly in explosives. The chemical can be readily absorbed through the skin and cause systemic symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the expo...more »
    1597. Chemical poisoning -- 1,4-Dioxane
     1,4-Dioxane is a chemical used mainly as a reagent in laboratries and as a solvent in chemical processing. The chemical is readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nat...more »
    1598. Chemical poisoning -- 1-Amino-2-propanol
     1-Amino-2-propanol is a chemical used mainly in the synthesis of various pharmaceuticals such as methadone and opioid. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amou...more »
    1599. Chemical poisoning -- 1-Pentanethiol
     1-Pentanethiol is a chemical used mainly in pesticides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1600. Chemical poisoning -- 1-Propanol
     1-Propanol is a chemical used in various antiseptics, polishes, cleaners, cosmetics and lacquer. The main effects of an overdose of this chemical is depression of the central nervous system. However, some people can suffer an adverse reaction to the chemi...more »
    1601. Chemical poisoning -- 2,4,6-Trichlorophenol
     2,4,6-Trichlorophenol is a chemical used mainly as an antiseptic, pesticide, wood preservative, glue preservative and as an antimildew agent in the textile manufacturing industry. The type and severity of symptoms varies depending on the amount of chemica...more »
    1602. Chemical poisoning -- 2,4,6-Trinitrotoluene
     2,4,6-Trinitrotoluene is a chemical used mainly as an explosive agent and in the production of dyes and photographic chemicals. The chemical may be absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical inv...more »
    1603. Chemical poisoning -- 2,4-Dichlorophenol
     2,4-Dichlorophenol is a chemical used in the production of antiseptics, bactericides, disinfectants and fungicides. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1604. Chemical poisoning -- 2,4-Dinitrotoluene
     2,4-Dinitrotoluene is a chemical used the production of explosives, vehicle air bags and polyurethane polymers. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1605. Chemical poisoning -- 2-Amino-2-methylpropanol
     2-Amino-2-methylpropanol is a chemical used mainly in industrial applications. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature o...more »
    1606. Chemical poisoning -- 2-Aminopyridine
     2-Aminopyridine is a chemical used mainly in the production of various medicines (especially antihistamines and anti-inflammatories). Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depend...more »
    1607. Chemical poisoning -- 2-Butoxyethanol
     2-Butoxyethanol is a chemical used mainly in dry cleaning, textile dyeing, protective coatings, glass cleaners, solvents, cleaning agents and paint thinners. The type and severity of symptoms varies depending on the amount of chemical involved and the nat...more »
    1608. Chemical poisoning -- 2-Hexanone
     2-Hexanone is a chemical used mainly in paints, solvents and coated fabrics. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1609. Chemical poisoning -- 2-Methyl-4-Chlorophenoxyacetic Acid
     2-Methyl-4-Chlorophenoxyacetic Acid is a chemical mainly used as a herbicide for field crops and turf. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1610. Chemical poisoning -- 3,3-Dichlorobenzidine
     3,3-Dichlorobenzidine is a chemical used mainly in the production of pigments for various items such as paint, ink, textiles and plastics. The chemical may be absorbed through the skin. The type and severity of symptoms varies depending on the amount of c...more »
    1611. Chemical poisoning -- 3-Aminopyridine
     2-Aminopyridine is a chemical used mainly as an intermediate in the production of dyes, pharmaceuticals and various agricultural chemicals. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies ...more »
    1612. Chemical poisoning -- 4,4-Methylenebis
     4,4-Methylenebis is a chemical used in the manufacture of epoxy resins, belt drives, gun mounts, shoe laces and various other manufactured goods. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the e...more »
    1613. Chemical poisoning -- 4-Aminodiphenyl
     4-Aminodiphenyl is a chemical used mainly in research and laboratory facilities. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature...more »
    1614. Chemical poisoning -- 4-Aminopyridine
     4-Aminopyridine is a pesticide used mainly to control bird pests. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposur...more »
    1615. Chemical poisoning -- Abietic Acid
     Abietic Acid is a chemical derived from coniferous trees and used commercially in products such as varnish, soap, and lacquer. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    1616. Chemical poisoning -- Acenaphthene
     Acenaphthene is a chemical used mainly in the production of pharmaceuticals, pesticides and dyes. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involv...more »
    1617. Chemical poisoning -- Acetaldehyde
     Acetaldehyde is a chemical used in the production of various products - mirrors, disinfectants, plastics, explosives, varnish and food flavoring. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the e...more »
    1618. Chemical poisoning -- Acetic Anhydride
     Acetic Anhydride is a chemical used mainly in various industrial processes as well as the production of pharmaceutical products such as aspirin and acetyl salicylic acid. It is also used in the production of heroin. Ingestion and other exposures to the ch...more »
    1619. Chemical poisoning -- Acetone
     Acetone is a chemical used as a solvent in products such as glues, rubber cement and fingernail polish remover. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1620. Chemical poisoning -- Acetonitrile
     Acetonitrile is a chemical used as a solvent mainly in nail removing agents. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1621. Chemical poisoning -- Acetophenone
     Acetophenone is a chemical used mainly as a fragrance, food flavoring agent and as a solvent for plastics and resins. It is also found naturally in small quantities in foods such as bananas, apples and beef. Ingestion and other exposures to the chemical c...more »
    1622. Chemical poisoning -- Acetylene
     Acetylene is a chemical used mainly as a mixing gas for welding. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1623. Chemical poisoning -- Acetylene Dichloride
     Acetylene Dichloride is a chemical used mainly in the production of perfumes, dyes and thermoplastics. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1624. Chemical poisoning -- Acetylene Tetrabromide
     Acetylene Tetrabromide is a chemical used mainly in mineral separation and as a solvent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and th...more »
    1625. Chemical poisoning -- Acetylsalicylic Acid
     Acetylsalicylic Acid is also known as aspirin and is primarily used to relieve pain, fever and inflammation. Excessive exposure to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involv...more »
    1626. Chemical poisoning -- Acidic dry cell batteries
     Acidic dry cell batteries contain toxic chemicals and eating the batteries can cause various symptoms if the chemical is released from the battery. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the...more »
    1627. Chemical poisoning -- Acrinathrin
     Acrinathrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical ...more »
    1628. Chemical poisoning -- Acrolein
     Acrolein is a chemical used mainly in the manufacture of herbicides, pharmaceuticals and textiles as well as anti-contamination agents in the paper industry. The type and severity of symptoms varies depending on the amount of chemical involved and the nat...more »
    1629. Chemical poisoning -- Acrylamide
     Acrylamide is a chemical used mainly in the treatment of waste water, grout agent, paper strengthening agent and adhesive agents. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1630. Chemical poisoning -- Acrylic acid
     Acrylic acid is a chemical used mainly in the production of resins and acrylic acids which are usually used in adhesives and coatings. It is also used in water treatment and in the production of plastics and detergents. Ingestion and other exposures to th...more »
    1631. Chemical poisoning -- Acrylonitrile
     Acrylonitrile is a chemical used mainly in the production of acrylic and modacrylic fibers but also in the production of certain plastics, nylon dyes, drugs and pesticides. Ingestion and other exposures to the chemical can cause various symptoms. The type...more »
    1632. Chemical poisoning -- Adipic Acid
     Adipic Acid is a chemical used in a variety of applications from flavoring and setting aid in foods to production of nylons, paints, plasticizers and lubricants . Ingestion and other exposures to the chemical can cause various symptoms. The type and sever...more »
    1633. Chemical poisoning -- Adiponitrile
     Adiponitrile is a chemical used mainly in the production of hexamethylene diamine which in turn is used mainly to produce nylon. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending o...more »
    1634. Chemical poisoning -- Aftershave
     Aftershave contains chemicals (ethyl alcohol, isopropyl alcohol) which can cause symptoms if ingested in sufficient quantities. Death from ingesting aftershave is considered unlikely. The type and severity of symptoms varies depending on the amount of che...more »
    1635. Chemical poisoning -- Agrocide
     Agrocide is a chemical insecticide used mainly to control scabies or lice as well as other agricultural insect pests. The insecticide is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to...more »
    1636. Chemical poisoning -- Agronexit
     Agronexit is a chemical insecticide used mainly as an agricultural insecticide. The insecticide is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various sympto...more »
    1637. Chemical poisoning -- Alachlor
     Alachlor is a herbicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1638. Chemical poisoning -- Alanycarb
     Alanycarb is a carbamate pesticide used mainly as an insecticide and nematicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature...more »
    1639. Chemical poisoning -- Aldicarb
     Aldicarb is a carbamate pesticide used mainly as an insecticide, nematicide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and ...more »
    1640. Chemical poisoning -- Aldoxycarb
     Aldoxycarb is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature...more »
    1641. Chemical poisoning -- Aldrin
     Aldrin is a chemical once used mainly in insecticides for crops and as a termite preventative. The chemical can readily be absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of t...more »
    1642. Chemical poisoning -- Alkaline dry cell batteries
     Alkaline dry cell batteries contain toxic chemicals and eating the batteries can cause various symptoms if the chemical is released from the battery. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of t...more »
    1643. Chemical poisoning -- Allyl Glycidyl Ether
     Allyl Glycidyl Ether is a chemical used mainly in the production of epoxies, thermoplastics, polyester resins, adhesives and elastomers. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptom...more »
    1644. Chemical poisoning -- Allyl alcohol
     Allyl alcohol is a chemical used mainly as a weed killers and as a material in the production of other chemical compounds. The chemical is readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical invo...more »
    1645. Chemical poisoning -- Allyl chloride
     Allyl chloride is a chemical used mainly in the manufacture of epichlorohydrin and glycerin but is also used in the production of products such as polyester, varnish plastic adhesive, insecticides, perfumes and pharmaceuticals. Ingestion and other exposur...more »
    1646. Chemical poisoning -- Allyl trichloride
     Allyl trichloride is a chemical used mainly as a varnish or paint remover, cleaning agent or degreasing agent. Exposure to the chemical can cause symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the natur...more »
    1647. Chemical poisoning -- Allylamines
     Allylamines is a chemical used mainly as an industrial solvent and in the manufacture of pharmaceutical products such as antiseptics, diuretics and sedatives . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity...more »
    1648. Chemical poisoning -- Allyxycarb
     Allyxycarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposu...more »
    1649. Chemical poisoning -- Aluminum
     Aluminum is a chemical used mainly for metallurgical purposes and can be found in packaging, electrical parts, vehicles, cooking utensils, construction materials and building components. The type and severity of symptoms varies depending on the amount of ...more »
    1650. Chemical poisoning -- Aluminum Phosphide
     Aluminum Phosphide is a chemical used mainly as a rodenticide and fumigant for grains. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1651. Chemical poisoning -- Amidithion
     Amidithion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    1652. Chemical poisoning -- Aminocarb
     Aminocarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposur...more »
    1653. Chemical poisoning -- Amiton
     Amiton is a chemical once used as an insecticide and acaricide - it is no longer in use due to its nerve toxicity. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and seve...more »
    1654. Chemical poisoning -- Amitraz
     Amitraz is a chemical used mainly as a topical parasitic preventative in livestock and fruit trees. It is also used as an insect repellant and a prevention of mite infestation. The chemical is readily absorbed through the skin. The type and severity of sy...more »
    1655. Chemical poisoning -- Amitrole
     Amitrole is a herbicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1656. Chemical poisoning -- Ammonia
     Ammonia is a chemical used mainly in household cleaning products and bleach. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1657. Chemical poisoning -- Ammonium Bifluoride
     Ammonium Bifluoride is a chemical used wheel cleaners, herbicides and in the manufacture of magnesium. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1658. Chemical poisoning -- Ammonium Chloride
     Ammonium Chloride is a chemical used as a medical agent for conditions such as metabolic acidosis, in deodorizer cleaners and also used in industry in fertilizers, electroplating, galvanizing, soldering and in deodorizer cleaners. The type and severity of...more »
    1659. Chemical poisoning -- Ammonium Nitrate
     Ammonium Nitrate is a chemical used mainly in explosives, fireworks and fertilizers. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the na...more »
    1660. Chemical poisoning -- Ammonium Sulfamate
     Ammonium Sulfamate is a chemical used mainly in herbicides, fertilizers and. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of ...more »
    1661. Chemical poisoning -- Aniline
     Aniline is a chemical used mainly in the manufacture of perfumes, varnishes, resins, dyes, paint removers, herbicides, fungicides, explosives, solvents and photographic chemicals. The type and severity of symptoms varies depending on the amount of chemica...more »
    1662. Chemical poisoning -- Anisidine (o,p-Isomers)
     Anisidine (o,p-Isomers)is a chemical used mainly in the production process of pharmaceuticals and azo-dyes . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chem...more »
    1663. Chemical poisoning -- Anisole
     Anisole is a chemical used mainly as a solvent and food additive and also in perfumes and detergents. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1664. Chemical poisoning -- Anti-rust products
     Anti-rust products contain various chemicals which are toxic if ingested. The ingested chemicals can continue to cause damage to the organs and gastrointestinal lining for weeks after the ingestion and severe cases can result in death. The type and severi...more »
    1665. Chemical poisoning -- Anticoagulant rodenticide
     Anticoagulant rodenticide is a chemical used to control rodents. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1666. Chemical poisoning -- Antifreeze
     Antifreeze is used in vehicles to prevent freezing or boiling over of the cooling system. The chemicals (methanol, ethylene and propylene glycol) in the antifreeze can cause severe poisoning symptoms if ingested. The type and severity of symptoms varies d...more »
    1667. Chemical poisoning -- Antimony
     Antimony is a chemical often used as an alloy with other metals such as lead. It is used in solder, ammunition, pewter, sheet metal, pipe metal and cable sheaths. The type and severity of symptoms varies depending on the amount of chemical involved and th...more »
    1668. Chemical poisoning -- Antu
     Antu is used as a rodenticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1669. Chemical poisoning -- Aparasin
     Aparasin Aparasin. The insecticide is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the...more »
    1670. Chemical poisoning -- Aphtiria
     Aphtiria is a chemical insecticide used mainly to control scabies or lice. The insecticide is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms. T...more »
    1671. Chemical poisoning -- Arsine
     Arsine is a chemical used in the making of semiconductors and in the metal refining industry. It is considered a possible chemical agent in chemical warfare. The type and severity of symptoms varies depending on the amount of chemical involved and the nat...more »
    1672. Chemical poisoning -- Asbestos
     Asbestos is a chemical used in a wide range of materials: heat and sound insulation, wall and ceiling panels, pipe insulation, floor tiles, toasters, cements, brake pads, roofing materials and furnaces. Ingestion and other exposures to the chemical can ca...more »
    1673. Chemical poisoning -- Asphalt
     Asphalt is the substance used in road surfacing and is also used in electrical adhesive and paints. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1674. Chemical poisoning -- Athyl-Gusathion
     Athyl-Gusathion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    1675. Chemical poisoning -- Automatic dishwashing detergent
     Automatic dishwashing detergents contain chemicals which can cause severe symptoms if ingested. The chemicals in the dishwashing detergent cause damage to the gastrointestinal lining and the damage may continue for weeks after the poison was ingested. Dea...more »
    1676. Chemical poisoning -- Azinfos-methyl
     Azinfos-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on t...more »
    1677. Chemical poisoning -- Azinfosethyl
     Azinfosethyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the...more »
    1678. Chemical poisoning -- Azinophos-methyl
     Azinophos-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on...more »
    1679. Chemical poisoning -- Azinphos
     Azinphos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amo...more »
    1680. Chemical poisoning -- Azinphos-ethyl
     Azinphos-ethyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on t...more »
    1681. Chemical poisoning -- Azinphos-methyl
     Azinphos-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    1682. Chemical poisoning -- Azinphosmetile
     Azinphosmetile is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on t...more »
    1683. Chemical poisoning -- Azothoate
     Azothoate is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    1684. Chemical poisoning -- Baking Powder
     Baking powder is generally considered non toxic and is used in cooking. However, excessive doses can cause gastrointestinal symptoms....more »
    1685. Chemical poisoning -- Baking soda
     Baking soda is generally considered non toxic and is used in cooking. However, excessive doses can cause various symptoms....more »
    1686. Chemical poisoning -- Barium
     Barium is an element used in fireworks, glassmaking, contrast X-rays and in the electronics industry . The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1687. Chemical poisoning -- Barium Nitrate
     Barium Nitrate is a chemical used mainly in fireworks, sparklers and ceramic glazes. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1688. Chemical poisoning -- Barthrin
     Barthrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical inv...more »
    1689. Chemical poisoning -- Ben-Hex
     Ben-Hex is a chemical insecticide used mainly to control scabies. The insecticide is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms. The type a...more »
    1690. Chemical poisoning -- Bendiocarb
     Bendiocarb is a carbamate pesticide used mainly in . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemic...more »
    1691. Chemical poisoning -- Benfuracarb
     Benfuracarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the expos...more »
    1692. Chemical poisoning -- Benhexol
     Benhexol is a chemical insecticide used mainly to control scabies or lice. The insecticide is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms. T...more »
    1693. Chemical poisoning -- Benomyl
     Benomyl is a chemical used mainly as a fungicide for fruit, vegetables and ornamental plants. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1694. Chemical poisoning -- Benoxafos
     Benoxafos is a chemical pesticide used as an acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical...more »
    1695. Chemical poisoning -- Bentazon
     Bentazon is a chemical used mainly in herbicides for various crop plants. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1696. Chemical poisoning -- Benzaldehyde
     Benzaldehyde is a chemical with an almond-like odor and is therefore often used as a food flavoring. It is also use as an industrical solvent. . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms va...more »
    1697. Chemical poisoning -- Benzene
     Benzene is a chemical used mainly in gasoline fuel and as an industrial solvent. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1698. Chemical poisoning -- Benzene hexachloride
     Benzene hexachloride is a chemical insecticide. The insecticide is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of sym...more »
    1699. Chemical poisoning -- Benzyl Chloride
     Benzyl Chloride is a chemical used mainly in the manufacture of products such as dyes, plastics, tannins, perfumes,. Fuel additives, resins, germicides, rubbers, perfumes photographic developers, wetting agents, drugs and pharmaceuticals. It is also used ...more »
    1700. Chemical poisoning -- Beryllium
     Beryllium is an element used mainly in vehicle electronics, optics, ore processing, microwave oven parts, fuel containers and disc brakes for aeroplanes. The type and severity of symptoms varies depending on the amount of chemical involved and the nature ...more »
    1701. Chemical poisoning -- Beta-cyfluthrin
     Beta-cyfluthrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemi...more »
    1702. Chemical poisoning -- Bexol
     Bexol is a chemical insecticide used mainly to control scabies or lice. The insecticide is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms. The ...more »
    1703. Chemical poisoning -- Bifenthrin
     Bifenthrin is a pyrethroid chemical used as an insecticide and acaricide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount...more »
    1704. Chemical poisoning -- Bioallethrin
     Bioallethrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical...more »
    1705. Chemical poisoning -- Bioehtanomethrin
     Bioehtanomethrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chem...more »
    1706. Chemical poisoning -- Biopermethrin
     Biopermethrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1707. Chemical poisoning -- Bioresmethrin
     Bioresmethrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1708. Chemical poisoning -- Biphenyl
     Biphenyl is a chemical used mainly as a fungicide for fruit packaging and in textile dyes. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and ...more »
    1709. Chemical poisoning -- Borates
     Borate is a chemical used in a wide variety of products - herbicides, paints, insecticides, rodenticides and various personal products such as skin creams, toothpastes and powders. Ingestion and other exposures to the chemical can cause various symptoms. ...more »
    1710. Chemical poisoning -- Boric Acid
     Boric Acid is a chemical used mainly in foods (preservative, emulsifier, neutralizer), antiseptics, pesticides and contact lens cleaners. Ingestion and other exposures to the chemical can cause various symptoms. Application of boric acid directly to damag...more »
    1711. Chemical poisoning -- Brodifacoum
     Brodifacoum is a chemical used as a rodenticide. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved...more »
    1712. Chemical poisoning -- Bromadiolone
     Bromadiolone is a chemical used as a rodenticide. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involve...more »
    1713. Chemical poisoning -- Bromates
     Bromate is a chemical used mainly in perming solution neutralizers and in small amounts as a bread preservative. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of ...more »
    1714. Chemical poisoning -- Bromethalin
     Bromethalin is a chemical used mainly in rodenticides. The chemical is toxic to the human nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical ...more »
    1715. Chemical poisoning -- Bromide
     Bromide is a chemical used for many applications - flame retardant, industrial uses, pesticides, sanitary products, fumigants, medicines, dyes, photographic solutions and water purification. Bromides act as central nervous system depressants and the inges...more »
    1716. Chemical poisoning -- Bromoform
     Bromoform is a chemical with limited industrial uses but is used as a laboratory chemical and can be present in treated water. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    1717. Chemical poisoning -- Bromophos
     Bromophos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    1718. Chemical poisoning -- Bromophos-ethyl
     Bromophos-ethyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    1719. Chemical poisoning -- Bubble Bath soap
     The ingestion of bubble bath soap can cause gastrointestinal symptoms....more »
    1720. Chemical poisoning -- Bufencarb
     Bufencarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposur...more »
    1721. Chemical poisoning -- Butacarb
     Butacarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure...more »
    1722. Chemical poisoning -- Butocarboxim
     Butocarboxim is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the expo...more »
    1723. Chemical poisoning -- Butoxcarboxim
     Butoxcarboxim is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exp...more »
    1724. Chemical poisoning -- Button batteries
     Button batteries are small round, button-shaped batteries used in various products such as watches and calculators. Generally, swallowing the batteries will cause no problems unless it becomes stuck in the gastrointestinal tract. The batteries may also be...more »
    1725. Chemical poisoning -- Butyl Alcohol
     Butyl alcohol is a chemical used mainly in solvents and in pharmaceutical manufacturing processes. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical invol...more »
    1726. Chemical poisoning -- Butylamines
     Butylamines are chemicals used in a variety of manufacturing processes such as in the production of pesticides, pharmaceuticals, plastics, dyes, textiles and in leather tanning and photography. Ingestion and other exposures to the chemical can cause vario...more »
    1727. Chemical poisoning -- Cadmium
     Cadmium is a chemical used mainly in batteries, solder, amalgams, cigarettes, PVC pigments and phosphate fertilizer production. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on...more »
    1728. Chemical poisoning -- Cadusafos
     Cadusafos is a chemical pesticide used as an insecticide and nematicide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    1729. Chemical poisoning -- Calcium Oxide
     Calcium oxide is a chemical used mainly in sewage treatment, dry cement and in the manufacture of products such as aluminum, glass and steel. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varie...more »
    1730. Chemical poisoning -- Calcium Polysulfide
     Calcium polysulfide is a chemical used mainly in antifungal treatments for trees. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the natur...more »
    1731. Chemical poisoning -- Calcium hypochlorite
     Calcium hypochlorite is a chemical used mainly in bleaching products, fungicides, algicides, disinfectants and deodorants. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the ...more »
    1732. Chemical poisoning -- Camphor
     Camphor is a chemical used mainly in moth repellents, pharmaceuticals (preservative) cosmetics, explosives, varnishes and various therapeutic applications. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of ...more »
    1733. Chemical poisoning -- Captafol
     Captafol is a chemical used mainly as a fungicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1734. Chemical poisoning -- Captan
     Captan is a chemical used as a fungicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemical is consi...more »
    1735. Chemical poisoning -- Carbanolate
     Carbanolate is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the natur...more »
    1736. Chemical poisoning -- Carbaryl
     Carbaryl is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature o...more »
    1737. Chemical poisoning -- Carbofuran
     Carbofuran is a carbamate pesticide used mainly as an insecticide, nematicide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved an...more »
    1738. Chemical poisoning -- Carbon Black
     Carbon Black is a powdered form of the elemental carbon. It is used mainly in rubber products such as tires but is also used in paint, ink and plastics. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of sym...more »
    1739. Chemical poisoning -- Carbon Disulfide
     Carbon Disulfide is a chemical used mainly in corrosion inhibitors, cold and nickel plating, photography applications and as a solvent in gums and resins. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of s...more »
    1740. Chemical poisoning -- Carbon Tetrachloride
     Carbon tetrachloride is a chemical used mainly in grain fumigants, insecticides and in the production of fluorocarbons. Ingestion and other exposures to the chemical can cause various symptoms. The chemical is readily absorbed through the skin. The type a...more »
    1741. Chemical poisoning -- Carbophenothion
     Carbophenothion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    1742. Chemical poisoning -- Carbosulfan
     Carbosulfan is a carbamate pesticide used mainly as an insecticide and nematicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the natu...more »
    1743. Chemical poisoning -- Caulking products
     Caulking products (e.g. silicon, acrylic, neoprene) are used to seal gaps and the chemicals in them can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1744. Chemical poisoning -- Chalk
     Swallowing chalk can cause a variety of gastrointestinal symptoms in some people if sufficient quantities are eaten. Eye irritation can also result from eye exposure. The chalk dust can also cause respiratory symptoms in some people. The type and severity...more »
    1745. Chemical poisoning -- Chloralose
     Chloralose is a chemical used mainly in poisons for rodents and crows . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the e...more »
    1746. Chemical poisoning -- Chlorate salts
     Chlorate salt is a chemical used mainly in herbicides and in the manufacture of matches and explosives. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical ...more »
    1747. Chemical poisoning -- Chlordane
     Chlordane is a poison use to control termites - is banned in the US and many other countries due to its harmful effects. Ingestion and other exposures to the chemical can cause various symptoms. The chemical is readily absorbed through the skin. The type ...more »
    1748. Chemical poisoning -- Chlordecone
     Chlordecone is an insecticide used to control pests in crops such as bananas and tobacco. Ingestion and other exposures to the chemical can cause various symptoms. The chemical may be readily absorbed through the skin. The type and severity of symptoms va...more »
    1749. Chemical poisoning -- Chloresene
     Chloresene is a chemical insecticide used mainly to control scabies or lice. The insecticide is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms....more »
    1750. Chemical poisoning -- Chlorfenvinphos
     Chlorfenvinphos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    1751. Chemical poisoning -- Chlorinated naphthalene
     Chlorinated naphthalene is a chemical used in a wide range of applications: plasticizers, rubber industries, manufacture of electrical equipment and the petroleum industry. Ingestion and other exposures to the chemical can cause various symptoms. The type...more »
    1752. Chemical poisoning -- Chlorine
     Chlorine is a chemical used mainly in bleaches, water disinfectants and in pulp mills. Ingestion and other exposures to the chemical can cause various symptoms. Chlorine is very corrosive and extensive damage to body tissues can result. The type and sever...more »
    1753. Chemical poisoning -- Chlorine Dioxide
     Chlorine dioxide is a chemical used mainly in water treatment and disinfectant for various processing operations. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of...more »
    1754. Chemical poisoning -- Chloroacetophenone
     Chloroacetophenone is a chemical used mainly in tear gas for riot control purposes. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nat...more »
    1755. Chemical poisoning -- Chlorobenzene
     Chlorobenzene is a chemical used mainly as a solvent and in the production of various other chemicals. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical i...more »
    1756. Chemical poisoning -- Chlorobenzylidene Malononitrile
     Chlorobenzylidene Malononitrile is a chemical used mainly in tear gas. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the ex...more »
    1757. Chemical poisoning -- Chlorodiphenyl
     Chlorodiphenyl is a chemical used mainly in electrical cables and wires, electric condensers, lubricants and foundry coating and in the manufacture of paper, resins, rubbers, textiles, wood preservatives, electrical components, lacquers, herbicides and pl...more »
    1758. Chemical poisoning -- Chloroform
     Chloroform is a chemical used mainly as a refrigerant but also as a solvent in various processing and industrial applications. It's use as an anesthetic is relatively uncommon these days. Ingestion and other exposures to the chemical can cause various sym...more »
    1759. Chemical poisoning -- Chloromethane
     Chloromethane is a chemical used mainly in the production of silicones as well as agricultural chemicals, butyl rubber and other products. Ingestion and other exposures to the chemical can cause various symptoms. The chemical is readily absorbed through t...more »
    1760. Chemical poisoning -- Chlorophyll
     Chlorophyll is a compound found in green plants. It can be bought as a supplement and excessive ingestion can cause gastrointestinal symptoms but this is considered quite rare. The type and severity of symptoms varies depending on the amount of chemical i...more »
    1761. Chemical poisoning -- Chloropicrin
     Chloropicrin is a chemical used mainly in fumigants for grain storage. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the ex...more »
    1762. Chemical poisoning -- Chloropyrifos
     Chloropyrifos is a chemical pesticide used as an insecticide, nematicide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies dep...more »
    1763. Chemical poisoning -- Chlorpyrifos
     Chlorpyrifos is a chemical used mainly in as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The chemical may be absorbed readily through the skin. The type and severity of symptoms varies depending on the amount ...more »
    1764. Chemical poisoning -- Chlorpyrifos methyl
     Chlorpyrifos methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending...more »
    1765. Chemical poisoning -- Chromium
     Chromium is a chemical used mainly as an alloy in manufactured steel goods, anti-corrosive plating and also has industrial applications . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies de...more »
    1766. Chemical poisoning -- Cismethrin
     Cismethrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1767. Chemical poisoning -- Clinitest tablet
     Clinitest tablet are used to test sugar levels in urine. The tablets contain various chemicals (copper sulfate, sodium hydroxide, sodium carbonate) and eating them can cause serious symptoms. The chemicals cause damage to the gastrointestinal lining and t...more »
    1768. Chemical poisoning -- Cloethocarb
     Cloethocarb is a carbamate pesticide used mainly as an insecticide and nematicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the natu...more »
    1769. Chemical poisoning -- Cloth Dyes
     Cloth dyes contain chemicals which are considered not toxic but the ingestion of large amounts cay cause symptoms. Some dyes contain corrosive ingredients which can cause severe gastrointestinal damage and even death in severe cases. Most household cloth ...more »
    1770. Chemical poisoning -- Coal Dust
     Inhalation of coal dust can cause various symptoms. The severity of symptoms varies depending on the amount of coal dust involved....more »
    1771. Chemical poisoning -- Cologne
     Colognes contain chemicals such as ethanol and isopropanol which can cause symptoms if ingested or inhaled in excessive quantities. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1772. Chemical poisoning -- Coumaphos
     Coumaphos is used as a pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The chemical may be absorbed readily through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and th...more »
    1773. Chemical poisoning -- Creosote
     Creosote is a chemical used mainly as a disinfectant, laxative and cough treatment. Ingestion and other exposures to the chemical can cause various symptoms. The chemical can be readily absorbed through the skin. The type and severity of symptoms varies d...more »
    1774. Chemical poisoning -- Cresols
     Cresols are a group of chemicals that occur naturally in mammals and various plants. It is also manufactured and used in the production of disinfectants, deodorizers and pesticides. Ingestion and other exposures to the chemical can cause various symptoms....more »
    1775. Chemical poisoning -- Cresylic acid
     Cresylic acids are a group of chemicals that are used as solvents and in the manufacture of various products such as deodorants, disinfectants, pesticides, glues, paints, herbicides, pharmaceuticals as well as others. Ingestion and other exposures to the ...more »
    1776. Chemical poisoning -- Cuticle remover
     Cuticle removers contain chemicals such as sodium hydroxide and potassium hydroxide which can cause serious symptoms if swallowed or inhaled in excessive quantities. The type and severity of symptoms varies depending on the amount of chemical involved and...more »
    1777. Chemical poisoning -- Cyanthoate
     Cyanthoate is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    1778. Chemical poisoning -- Cyclethrin
     Cyclethrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical i...more »
    1779. Chemical poisoning -- Cyclohexanol
     Cyclohexanol is a chemical used mainly as an industrial solvent and used in the manufacture of products such as plastic, nylon, soap, varnish, paint, lacquer, degreasers, detergent and insecticides. Ingestion and other exposures to the chemical can cause ...more »
    1780. Chemical poisoning -- Cyclohexanone
     Cyclohexanone is a chemical used mainly as an industrial solvent, in processes involving oxidative reactions and in the manufacture of certain resins, nylons, insecticides, herbicides, paints, varnish, polishes, degreasers and pharmaceuticals. Ingestion a...more »
    1781. Chemical poisoning -- Cyfluthrin
     Cyfluthrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical i...more »
    1782. Chemical poisoning -- Cyhalothrin
     Cyhalothrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical ...more »
    1783. Chemical poisoning -- Cyllprothrin
     Cyllprothrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical...more »
    1784. Chemical poisoning -- Cypermethrin
     Cypermethrin is a widely used insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1785. Chemical poisoning -- Cyphenothrin
     Cyphenothrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1786. Chemical poisoning -- DDD
     DDD is a chemical used mainly as a pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The chemical may be readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical inv...more »
    1787. Chemical poisoning -- DDT
     DDT is a chemical used mainly as a pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The chemical may be readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical inv...more »
    1788. Chemical poisoning -- Decarbofuran
     Decarbofuran is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the expo...more »
    1789. Chemical poisoning -- Deltamethrin
     Deltamethrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1790. Chemical poisoning -- Demeton
     Demeton-S is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    1791. Chemical poisoning -- Demeton-O
     Demeton-O is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    1792. Chemical poisoning -- Demeton-O-methyl
     Demeton-O-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on...more »
    1793. Chemical poisoning -- Demeton-S-methyl
     Demeton-S-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on...more »
    1794. Chemical poisoning -- Demeton-S-methylsulphon
     Demeton-S-methylsulphon is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depen...more »
    1795. Chemical poisoning -- Demeton-methyl
     Demeton-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on t...more »
    1796. Chemical poisoning -- Deoderant
     Deoderants contain various chemicals which can cause serious symptoms if sufficient quantities are ingested. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1797. Chemical poisoning -- Depilatories
     Depilatories are used to remove hair from parts of the body. They contain various chemicals which can cause serious symptoms if sufficient quantities are ingested. The chemicals cause damage to the gastrointestinal lining and the damage may continue for w...more »
    1798. Chemical poisoning -- Di-n-Butyl Phthalate
     Di-n-Butyl Phthalate is a chemical which has many applications: plasticizer for polyvinyl chloride, nail polish solvent, glow-in-the-dark products, perfumed oil solvent and insect repellant. Ingestion and other exposures to the chemical can cause various ...more »
    1799. Chemical poisoning -- Dialifos
     Dialifos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amo...more »
    1800. Chemical poisoning -- Diazinon
     Diazinon is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amo...more »
    1801. Chemical poisoning -- Dibenzoyl Peroxide
     Dibenzoyl Peroxide is a chemical used mainly in as a topical treatment for skin conditions such as ulcers and acne. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount ...more »
    1802. Chemical poisoning -- Diborane
     Diborane is a chemical used mainly as a rocket propellant and in the manufacture of rubbers and electronics manufacture. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    1803. Chemical poisoning -- Dibromochloromethane
     Dibromochloromethane is a chemical byproduct of water chlorination processes. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of...more »
    1804. Chemical poisoning -- Dichlorphenamide
     Dichlorphenamide is a chemical used mainly as a treatment for glaucoma. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the e...more »
    1805. Chemical poisoning -- Dichlorvos
     Dichlorvos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    1806. Chemical poisoning -- Dicresyl
     Dicresyl is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure...more »
    1807. Chemical poisoning -- Dicrotophos
     Dicrotophos is a toxic insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1808. Chemical poisoning -- Dieldrin
     Dieldrin is a chemical used mainly to prevent termite infestations. Ingestion and other exposures to the chemical can cause various symptoms. This chemical may be absorbed readily through the skin. The type and severity of symptoms varies depending on the...more »
    1809. Chemical poisoning -- Diesel oil
     Diesel oil is a commonly used fuel. Ingestion is unlikely due to the foul taste and smell. Accidental or purposeful ingestion can result in internal burns and various other symptoms. The type and severity of symptoms varies depending on the amount of chem...more »
    1810. Chemical poisoning -- Diethyl Phthalate
     Diethyl Phthalate is a chemical used mainly in cosmetic and as a plasticizer in the production of various plastic products. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the...more »
    1811. Chemical poisoning -- Diethylene Glycol
     Diethylene Glycol is a chemical used mainly in coolants, manufacture of plastic products and resins as well as other uses. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the ...more »
    1812. Chemical poisoning -- Diethylene Glycol Monobutyl Ether
     Diethylene Glycol Monobutyl Ether is a chemical used in a variety of applications: cleaning agents, solvent, manufacture of dyes, rubber, soap and printing products . Ingestion and other exposures to the chemical can cause various symptoms. The type and s...more »
    1813. Chemical poisoning -- Dimefluthrin
     Dimefluthrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1814. Chemical poisoning -- Dimetan
     Dimetan is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1815. Chemical poisoning -- Dimethoate
     Dimethoate is a chemical pesticide used as an insecticide, nematicide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depend...more »
    1816. Chemical poisoning -- Dimethrin
     Dimethrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1817. Chemical poisoning -- Dimethyl Phthalate
     Dimethyl Phthalate is a chemical used mainly as an insect repellant . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exp...more »
    1818. Chemical poisoning -- Dimethylamine
     Dimethylamine is a chemical used mainly in the manufacture of products such as detergent, pharmaceuticals and in leather tanning. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending ...more »
    1819. Chemical poisoning -- Dimethylnitrosamine
     Dimethylnitrosamine is a chemical used mainly as a solving in the manufacture of plastics, rubbers, lubricants and rocket fuel. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on...more »
    1820. Chemical poisoning -- Dimetilan
     Dimetilan is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposur...more »
    1821. Chemical poisoning -- Dinitrocresol
     Dinitrocresol is a chemical used mainly as a herbicide and fungicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exp...more »
    1822. Chemical poisoning -- Dinitrophenol
     Dinitrophenol is a chemical that has various applications: herbicide, pesticide, fungicide, acaricide, manufacture of dyes and wood preservative. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms v...more »
    1823. Chemical poisoning -- Dioxacarb
     Dioxacarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposur...more »
    1824. Chemical poisoning -- Dioxathion
     Dioxathion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    1825. Chemical poisoning -- Diquat Dibromide
     Diquat Dibromide is a chemical used mainly in herbicides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1826. Chemical poisoning -- Disulfiram
     Disulfiram is a drug used mainly to manage alcoholism. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1827. Chemical poisoning -- Disulfoton
     Disulfoton is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    1828. Chemical poisoning -- Drain Cleaners
     Drain cleaners contain chemicals which can cause severe symptoms if ingested. The chemicals in the drain cleaners cause damage to the gastrointestinal lining and the damage may continue for weeks after the poison was ingested. Death can result in severe c...more »
    1829. Chemical poisoning -- Drainpipe Cleaners
     Drainpipe Cleaners contain chemicals which can cause severe symptoms if ingested. The chemicals in the drainpipe cleaners cause damage to the gastrointestinal lining and the damage may continue for weeks after the poison was ingested. Death can result in ...more »
    1830. Chemical poisoning -- Dye remover
     Dye removers can contain chemicals which are corrosive and can cause severe gastrointestinal damage and even death in severe cases. The damage may continue for a few weeks after ingestion so death can occur weeks after the incident. The type and severity ...more »
    1831. Chemical poisoning -- EMPC
     EMPC is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. Th...more »
    1832. Chemical poisoning -- Empenthrin
     Empenthrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1833. Chemical poisoning -- Emulsion paints
     Emulsion paints (latex or water-based) contain various chemicals which can cause serious symptoms if sufficient quantities are swallowed. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1834. Chemical poisoning -- Endosulfan
     Endosulfan is a chemical used mainly as a crop pesticide and wood preservative. Ingestion and other exposures to the chemical can cause various symptoms. The chemical may be readily absorbed through the skin. The type and severity of symptoms varies depen...more »
    1835. Chemical poisoning -- Endothall
     Endothall is a chemical used mainly as a pesticide and rodenticide but it is rarely used today. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved...more »
    1836. Chemical poisoning -- Endothion
     Endothion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    1837. Chemical poisoning -- Epichlorohydrin
     Epichlorohydrin is a chemical used for a variety of applications - epoxy production, insecticides, solvent and agricultural chemical. Ingestion and other exposures to the chemical can cause various symptoms. The chemical is readily absorbed through the sk...more »
    1838. Chemical poisoning -- Esfenvalerate
     Esfenvalerate is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1839. Chemical poisoning -- Ether
     Ether is a chemical used mainly as an anesthetic and industrial solvent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the ...more »
    1840. Chemical poisoning -- Ethiofencarb
     Ethiofencarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the expo...more »
    1841. Chemical poisoning -- Ethion
     Ethion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amoun...more »
    1842. Chemical poisoning -- Ethoate-methyl
     Ethoate-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on t...more »
    1843. Chemical poisoning -- Ethoprophos
     Ethoprophos is a chemical pesticide used as an insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chem...more »
    1844. Chemical poisoning -- Ethyl Mercaptan
     Ethyl Mercaptan is a chemical used mainly in the production of fungicides, insecticides and plastics as well as an odorizing agent for natural gas. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms...more »
    1845. Chemical poisoning -- Ethyl Methacrylate
     Ethyl Methacrylate is a chemical used mainly in . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1846. Chemical poisoning -- Ethyl-guthion
     Azinphos-ethyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on t...more »
    1847. Chemical poisoning -- Ethylamine
     Ethylamine is a chemical used mainly in the manufacture of dyes, rayon, rocket propellant, as a fuel additive and in leather-tanning and cellulose treatment. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity o...more »
    1848. Chemical poisoning -- Ethylbenzene
     Ethylbenzene is a chemical used mainly in paint thinners, fuels, asphalt, degreasers, manufacture of various as products and as a solvent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies d...more »
    1849. Chemical poisoning -- Ethylene Dichloride
     Ethylene Dichloride is a chemical used mainly in fat solvents and as a fumigant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature...more »
    1850. Chemical poisoning -- Ethylene Glycol
     Ethylene Glycol is a chemical used mainly in antifreeze, coolants and as a solvent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nat...more »
    1851. Chemical poisoning -- Ethylene Glycol Dinitrate
     Ethylene Glycol Dinitrate is a chemical used mainly in the manufacture of commercial dynamite and blasting gelatin. The chemical may be absorbed readily through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type a...more »
    1852. Chemical poisoning -- Ethylene Oxide
     Ethylene oxide is a chemical used mainly in detergents, plasticizers, fumigants, inks, cosmetics and brake fluid. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of...more »
    1853. Chemical poisoning -- Ethyleneamine
     Ethyleneamine is a chemical which is widely used in the manufacture of products such as adhesive, paper, textiles, fuels, lubricants, varnishes, lacquers, coating resins, cosmetics, photographic chemicals and agricultural chemicals. Ingestion and other ex...more »
    1854. Chemical poisoning -- Ethylenediamine
     Ethylenediamine is a chemical used mainly as a solvent in the manufacturing process for the production of things such as fungicides, waxes, gasoline additives and pharmaceuticals. Ingestion and other exposures to the chemical can cause various symptoms. T...more »
    1855. Chemical poisoning -- Etrimfos
     Etrimfos is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the na...more »
    1856. Chemical poisoning -- Face Powder
     Face powder contains various chemicals that can cause symptoms if ingested although this is rare. Eye and inhalation exposure can also cause symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of ...more »
    1857. Chemical poisoning -- Fenchlorphos
     Fenchlorphos is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and th...more »
    1858. Chemical poisoning -- Fenethacarb
     Fenethacarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the expos...more »
    1859. Chemical poisoning -- Fenfluthrin
     Fenfluthrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1860. Chemical poisoning -- Fenitrothion
     Fenitrothion is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and th...more »
    1861. Chemical poisoning -- Fenobucarb
     Fenobucarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposu...more »
    1862. Chemical poisoning -- Fenpirithrin
     Fenpirithrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1863. Chemical poisoning -- Fenpropathrin
     Fenpropathrin is a pyrethroid chemical used as an insecticide and acarcide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of t...more »
    1864. Chemical poisoning -- Fensulfothion
     Fensulfothion is a chemical pesticide used as an insecticide and nematicide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on t...more »
    1865. Chemical poisoning -- Fenthion
     Fenthion is a chemical pesticide used as an insecticide and avicide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amoun...more »
    1866. Chemical poisoning -- Fenvalerate
     Fenvalerate is a pyrethroid chemical used as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of th...more »
    1867. Chemical poisoning -- Flucythrinate
     Flucythrinate is a pyrethroid chemical used as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of ...more »
    1868. Chemical poisoning -- Flufenprox
     Flufenprox is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1869. Chemical poisoning -- Fluoridated toothpaste
     Fluoridated toothpaste contains fluoride and various other chemicals which can cause serious symptoms if sufficient quantities are swallowed. As little as half a tube of children's paste can cause death in a 2 year old child and a whole tube can cause dea...more »
    1870. Chemical poisoning -- Fluvalinate
     Fluvalinate is a pyrethroid chemical used as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of th...more »
    1871. Chemical poisoning -- Fonophos
     Fonophos is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the na...more »
    1872. Chemical poisoning -- Formaldehyde
     Formaldehyde is a chemical used mainly in blues, lacquers, fireproofing, electrical insulation, leather tanning products and embalming. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depe...more »
    1873. Chemical poisoning -- Formothion
     Formothion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    1874. Chemical poisoning -- Furathiocarb
     Furathiocarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the expo...more »
    1875. Chemical poisoning -- Furethrin
     Furethrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1876. Chemical poisoning -- Furfural
     Furfural is a chemical used mainly as an industrial solvent and in the manufacture of fuels, foods and ant poisons. The chemical is readily absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and s...more »
    1877. Chemical poisoning -- Furniture polish
     Furniture polish contains chemicals (hydrocarbons) which can cause serious symptoms if ingested. The ingested chemicals can continue to cause damage to the organs and gastrointestinal lining for weeks after the ingestion and severe cases can result in dea...more »
    1878. Chemical poisoning -- Gasoline
     Gasoline is a chemical used as a fuel for combustion engines. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1879. Chemical poisoning -- Glaze
     Glazes are used to put a shiny finish on various surfaces such as pottery. Glazes contain chemicals such as lead and zinc oxide which can cause serious symptoms if sufficient quantities are eaten. The chemicals cause damage to the gastrointestinal lining ...more »
    1880. Chemical poisoning -- Glutaraldehyde
     Glutaraldehyde is a chemical used mainly in sterilizing agents, herbicides, pesticides and disinfectants. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemica...more »
    1881. Chemical poisoning -- Glycol Ether
     Glycol Ether is a chemical used mainly in nail polish removers, products to treat leather, anti-icing agents and as an industrial solvent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies d...more »
    1882. Chemical poisoning -- Glyphosate
     Glyphosate is a chemical used mainly in herbicides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1883. Chemical poisoning -- Graphite
     Graphite is a mineral used mainly in steel manufacturing, brake lining, pencils and lubricants. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved...more »
    1884. Chemical poisoning -- Guthion (ethyl)
     Guthion (ethyl) is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    1885. Chemical poisoning -- HCH-gamma
     HCH-gamma is an insecticide which is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the ...more »
    1886. Chemical poisoning -- Hair Bleach
     Hair bleach contain chemicals which can cause serious symptoms if ingested. The chemicals in the hair bleach can continue to cause gastrointestinal damage for weeks after ingestion. The type and severity of symptoms varies depending on the amount of chemi...more »
    1887. Chemical poisoning -- Hair Dye
     Hair dyes contain chemicals which can cause serious symptoms if ingested. The chemicals in the hair dye can continue to cause damage for weeks after ingestion. Some dyes contain lead or mercury which can cause neurological problems even if low level expos...more »
    1888. Chemical poisoning -- Halfenprox
     Halfenprox is a pyrethroid chemical used as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the...more »
    1889. Chemical poisoning -- Helium
     Helium is a chemical used mainly in helium balloons, neon signs and diving gas. The gas is sometimes misused as an inhalant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on th...more »
    1890. Chemical poisoning -- Heptachlor
     Heptachlor is a chemical used mainly in pesticides to control termites and fire ants. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies dependi...more »
    1891. Chemical poisoning -- Heptenophos
     Heptenophos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the ...more »
    1892. Chemical poisoning -- Hexachlorobutadiene
     Hexachlorobutadiene is a chemical used mainly in fumigants and as a solvent in the manufacture of products such as lubricants and rubber. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various sympto...more »
    1893. Chemical poisoning -- Hexachlorocyclohexane (gamma)
     Hexachlorocyclohexane (gamma) is an insecticide which is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms vari...more »
    1894. Chemical poisoning -- Hexachlorocyclopentadiene
     Hexachlorocyclopentadiene is a chemical used mainly in the production of chlorinated pesticides, flame retardants, dyes and certain resins. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symp...more »
    1895. Chemical poisoning -- Hexamethylene Diisocyanate
     Hexamethylene Diisocyanate is a chemical used mainly in the production of various products: lacquer, paint, varnish, synthetic rubber, wire insulation, plastic, foams and glue. Ingestion and other exposures to the chemical can cause various symptoms. The ...more »
    1896. Chemical poisoning -- Hexane
     Hexane is a chemical used mainly in the manufacture of products such as glue, paint, shoes and furniture. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemica...more »
    1897. Chemical poisoning -- High Melting Explosive (HMX)
     High Melting Explosive (HMX) is a chemical used mainly in plastic explosives and rocket fuel propellant. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symp...more »
    1898. Chemical poisoning -- Hydrazine
     Hydrazine is a chemical used mainly in rocket fuel, photography, laboratory chemical, corrosion inhibitor, mirror silvering and in the production of pharmaceuticals and pesticides. The chemical may be absorbed through the skin. Ingestion and other exposur...more »
    1899. Chemical poisoning -- Hydrogen Chloride
     Hydrogen Chloride is a chemical used mainly in the manufacture of rubber and vinyl chloride . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved a...more »
    1900. Chemical poisoning -- Hydrogen Fluoride
     Hydrogen Fluoride is a chemical used mainly in car cleaning products and in the production of integrated circuits. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severi...more »
    1901. Chemical poisoning -- Hydrogen Sulfide
     Hydrogen Sulfide is a chemical that can be used in production processes (paper, tanneries, sulfide ores) or it may be a byproduct of certain industries. It is also found naturally in sewers and manure. Ingestion and other exposures to the chemical can cau...more »
    1902. Chemical poisoning -- Hydroquinone
     Hydroquinone is a chemical used mainly in photography developing solution, pharmaceuticals, fur processing, paints, fuel, organic chemicals, plastics, stone coatings and styrene monomers. Ingestion and other exposures to the chemical can cause various sym...more »
    1903. Chemical poisoning -- Hyquincarb
     Hyquincarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposu...more »
    1904. Chemical poisoning -- Imazapyr
     Imazapyr is a chemical used mainly in herbicides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1905. Chemical poisoning -- Imiprothrin
     Imiprothrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1906. Chemical poisoning -- Incense
     Drinking liquid incense or inhaling incense fumes can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1907. Chemical poisoning -- Iodofenphos
     Iodofenphos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the ...more »
    1908. Chemical poisoning -- Isofenphos
     Isofenphos is an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1909. Chemical poisoning -- Isoprocarb
     Isoprocarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposu...more »
    1910. Chemical poisoning -- Isopropyl Alcohol
     Isopropyl Alcohol is a chemical used mainly as a rubbing alcohol and also in perfumes, paint thinners, disinfectants, cleaners and fuels. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies de...more »
    1911. Chemical poisoning -- Jet Fuel-4
     Jet Fuel-4 is an aviation turbine fuel used by the US military. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1912. Chemical poisoning -- Jet Fuel-5
     Jet Fuel-5 is an aviation turbine fuel used by the US military. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1913. Chemical poisoning -- Jet Fuel-8
     Jet Fuel-8 is an aviation turbine fuel used by the US military. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1914. Chemical poisoning -- Jewelry cleaner
     Jewelry cleaner contains various chemicals which can cause serious symptoms if ingested or other types of exposure occurs. The chemicals cause damage to the gastrointestinal lining and the damage may continue for weeks after the poison was ingested. Death...more »
    1915. Chemical poisoning -- Kerosene
     Kerosene is a chemical used mainly in paints, pesticides, lighter fluid, illuminating fuel and heating. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical ...more »
    1916. Chemical poisoning -- Lacquer
     Lacquer contains various chemicals which can cause serious symptoms if ingested or other types of exposure occurs. The chemicals cause damage to the gastrointestinal lining and the damage may continue for weeks after the poison was ingested. Death can res...more »
    1917. Chemical poisoning -- Lead-containing Paint
     Lead pain contains lead as well as other harmful chemicals. The lead in the pain is toxic (especially to young children) and ingesting fresh or old paint can cause serious symptoms. The type and severity of symptoms varies depending on the amount of chemi...more »
    1918. Chemical poisoning -- Lewisite
     Lewisite is a very poisonous gas which has the potential to be used in chemical warfare due to its deadly effects. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount o...more »
    1919. Chemical poisoning -- Lighter fluid
     Lighter fluid contains various chemicals which can cause serious symptoms if ingested or other types of exposure occurs. The chemicals cause damage to the gastrointestinal lining and the damage may continue for weeks after the poison was ingested. Death c...more »
    1920. Chemical poisoning -- Lindane
     Lindane is a chemical used mainly as an agricultural insecticide but also as a treatment of lice and scabies infestations. The insecticide is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposur...more »
    1921. Chemical poisoning -- Lysergic Acid Diethylamide
     Lysergic Acid Diethylamide is a hallucinogenic drug which is often misused. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of t...more »
    1922. Chemical poisoning -- Malathion
     Malathion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    1923. Chemical poisoning -- Manganese
     Manganese is a chemical used mainly in fertilizers, welding rods, matches, electrical coils, ceramics and animal food additives. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending o...more »
    1924. Chemical poisoning -- Mecarbam
     Mecarbam is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amo...more »
    1925. Chemical poisoning -- Metal cleaner
     Metal cleaner contains various chemicals which can cause severe symptoms if ingested or other forms of exposure occur. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1926. Chemical poisoning -- Metal polish
     Metal polish contains various chemicals which can cause severe symptoms if ingested or other forms of exposure occur. The chemicals cause damage to the gastrointestinal lining and the damage may continue for weeks after the poison was ingested. Death can ...more »
    1927. Chemical poisoning -- Metaldehyde
     Metaldehyde is a chemical used mainly as a molluscicide, in heating fuel and in fire lighters. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved ...more »
    1928. Chemical poisoning -- Methacrifos
     Methacrifos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the ...more »
    1929. Chemical poisoning -- Methacrylate
     Methacrylate is a chemical used mainly in plastics, adhesives and bone cements. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature ...more »
    1930. Chemical poisoning -- Methamidophos
     Methamidophos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on th...more »
    1931. Chemical poisoning -- Methane
     Methane is a natural gas that can be used as a fuel and also has industrial uses. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the natur...more »
    1932. Chemical poisoning -- Methanol
     Methanol is a chemical used mainly in fuel, paint removers, solvent, antifreeze and in the production process of many other products. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depend...more »
    1933. Chemical poisoning -- Methidathion
     Methidathion is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and th...more »
    1934. Chemical poisoning -- Methiocarb
     Methiocarb is a toxic pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1935. Chemical poisoning -- Methomyl
     Methomyl is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure...more »
    1936. Chemical poisoning -- Methyl Bromide
     Methyl Bromide is a chemical used mainly in insecticides, fire extinguishers, wool degreasers and oil extraction. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severit...more »
    1937. Chemical poisoning -- Methyl Ethyl Ketone
     Methyl Ethyl Ketone is a chemical used mainly in fiberglass and plastic manufacture. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the na...more »
    1938. Chemical poisoning -- Methyl Isocyanate
     Methyl Isocyanate is a chemical used mainly in herbicides and pesticides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the...more »
    1939. Chemical poisoning -- Methyl Mercaptan
     Methyl Mercaptan is a chemical used mainly in the production of plastic, pesticides and jet fuel. It is also used in certain toxic gases to give them a detectable odor. Ingestion and other exposures to the chemical can cause various symptoms. The type and...more »
    1940. Chemical poisoning -- Methyl Tert-Butyl Ether
     Methyl Tert-Butyl Ether is a chemical used mainly in automotive gasoline but is also used as a solvent and chemical reagent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on th...more »
    1941. Chemical poisoning -- Methyl parathion
     Methyl parathion is a chemical used mainly as an insecticide for various crops. Ingestion and other exposures to the chemical can cause various symptoms. The chemical may be absorbed through the skin. The type and severity of symptoms varies depending on ...more »
    1942. Chemical poisoning -- Methylene Chloride
     Methylene Chloride is a chemical used mainly in paint removers, nail polish remover, fumigants and fire extinguishers. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amou...more »
    1943. Chemical poisoning -- Methylene Dianiline
     Methylene Dianiline is a chemical used mainly in corrosive inhibitors, epoxy resins and polyurethane. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical in...more »
    1944. Chemical poisoning -- Methylene Diisocyanate
     Methylene Diisocyanate is a chemical used mainly in the production of hard plastics and polyurethane foams. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemi...more »
    1945. Chemical poisoning -- Metiltriazotion
     Metiltriazotion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    1946. Chemical poisoning -- Metobromuron
     Metobromuron is a chemical used mainly as a herbicide. The chemical is generally considered toxic only if large amounts are consumed. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depend...more »
    1947. Chemical poisoning -- Metofluthrin
     Metofluthrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1948. Chemical poisoning -- Metolcarb
     Metolcarb is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature ...more »
    1949. Chemical poisoning -- Mevinphos
     Mevinphos is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the n...more »
    1950. Chemical poisoning -- Mexacarbate
     Mexacarbate is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the expos...more »
    1951. Chemical poisoning -- Mineral oil
     Mineral oil can cause gastrointestinal symptoms if ingested....more »
    1952. Chemical poisoning -- Mineral-Based Crankcase Oil
     Mineral-Based Crankcase Oil is a chemical used mainly as a fuel . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposur...more »
    1953. Chemical poisoning -- Mirex
     Mirex is a chemical used mainly to control fire ants but also other insecticides such as mealy bugs. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical inv...more »
    1954. Chemical poisoning -- Molybdenum
     Molybdenum is a chemical used mainly in steel alloys lubricants. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure...more »
    1955. Chemical poisoning -- Monocrotophos
     Monocrotophos is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and t...more »
    1956. Chemical poisoning -- Monosodium Methanarsenate
     Monosodium Methanarsenate is a chemical used mainly as a herbicide or pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature...more »
    1957. Chemical poisoning -- Morpholine
     Morpholine is a chemical used in a variety of applications: rubber industry, corrosion inhibitor, pharmaceuticals, dyes, crop pesticides and as a solvent in various manufacturing processes. The chemical may be absorbed through the skin. Ingestion and othe...more »
    1958. Chemical poisoning -- Mould remover
     Mould removers contains various chemicals which can cause serious symptoms if swallowed, inhaled or skin and eye exposure occurs. The chemicals cause damage to the gastrointestinal lining and the damage may continue for weeks after the poison was ingested...more »
    1959. Chemical poisoning -- Mouth Wash
     Mouth wash contains various chemicals which can cause serious symptoms if sufficient quantities are swallowed. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1960. Chemical poisoning -- N,N-Dimethyl-P-Toluidine
     N,N-Dimethyl-P-Toluidine is a chemical used mainly in artificial nail solutions. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on...more »
    1961. Chemical poisoning -- N-Butyl Chloride
     N-Butyl Chloride is a chemical used mainly in veterinary worming applications. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature o...more »
    1962. Chemical poisoning -- N-Methyl-2-Pyrrolidone
     N-Methyl-2-Pyrrolidone is a chemical used mainly in paint strippers, wire coating processes, petroleum industry and in the microelectronics industry. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause va...more »
    1963. Chemical poisoning -- Naphthalene
     Naphthalene is a chemical used mainly as a moth repellant, toilet deodorizer and the manufacture of other chemicals. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and seve...more »
    1964. Chemical poisoning -- Nickel Carbonyl
     Nickel Carbonyl is a chemical used mainly in petroleum and rubber production and in electroplating. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical invo...more »
    1965. Chemical poisoning -- Nitrates
     Nitrates are chemicals used mainly in explosives and ammunitions but are also an ingredient in cold packs. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemic...more »
    1966. Chemical poisoning -- Nitric Acid
     Nitric Acid is a chemical used mainly as a cleaning agent for food and dairy equipment, in explosives, metal etching, in liquid fuel rockets and as a laboratory reagent. Ingestion and other exposures to the chemical can cause various symptoms. The type an...more »
    1967. Chemical poisoning -- Nitrilacarb
     Nitrilacarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the expos...more »
    1968. Chemical poisoning -- Nitrites
     Nitrite is a chemical used in many applications: manufacture of dyes, fabric manufacture, corrosive inhibitors, photography and cyanide antidote kits. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of sympt...more »
    1969. Chemical poisoning -- Nitrobenzene
     Nitrobenzene is a chemical used mainly in floor polish, shoe dyes, soaps and the production of other chemicals such as cellulose ether and acetaminophen. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can caus...more »
    1970. Chemical poisoning -- Nitroethane
     Nitroethane is a chemical used mainly as in industrial solvent, fuel additive, propellant, manufacture of pharmaceutical products and in artificial nail removers . Ingestion and other exposures to the chemical can cause various symptoms. The type and seve...more »
    1971. Chemical poisoning -- Nitrofen
     Nitrofen is a used as a herbicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1972. Chemical poisoning -- Nitrogen Dioxide
     Nitrogen Dioxide is a chemical which has industrial applications but is also an air pollutant formed by burning fossil fuels such as gas, oil and coal as well as vehicle exhaust and industrial byproduct. Ingestion and other exposures to the chemical can c...more »
    1973. Chemical poisoning -- Nitroglycerin
     Nitroglycerin is a chemical used mainly in the manufacture of explosives, dynamite, rocket propellant and smokeless powders. The chemical is readily absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The t...more »
    1974. Chemical poisoning -- Nitromethane
     Nitromethane is a chemical used mainly in racing fuel and as an industrial and cleaning solvent. It is also used in the manufacture of various products: explosives, coatings, pesticides, coatings and pharmaceuticals. Ingestion and other exposures to the c...more »
    1975. Chemical poisoning -- Nitrophenol
     Nitrophenol is a chemical used mainly in the production of dyes and pigments and also in fungicides and laboratory chemicals. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type...more »
    1976. Chemical poisoning -- Nitrophenol Urea
     Nitrophenol Urea is a pesticide. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature ...more »
    1977. Chemical poisoning -- Nitrotoluene
     Nitrotoluene is a chemical used mainly in industrial applications for the production of things such as agricultural chemicals, explosives, rubber chemicals, sulfur dyes and azo dyes. Ingestion and other exposures to the chemical can cause various symptoms...more »
    1978. Chemical poisoning -- Nitrous Oxide
     Nitrous Oxide is a chemical used mainly as rocket fuel, foaming agent and as an anesthetic. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and...more »
    1979. Chemical poisoning -- Oil-based paint
     Oil-based paint contains various chemicals which can cause serious symptoms if sufficient quantities are swallowed or if other types of exposure occurs. These paint contain toxic hydrocarbons as well as various other heavy metals depending on the type of ...more »
    1980. Chemical poisoning -- Omethoate
     Omethoate is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    1981. Chemical poisoning -- Osmium
     Osmium is a chemical used mainly in alloys to produce very strong metals for such items as fountain pen tips and electrical contacts. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depend...more »
    1982. Chemical poisoning -- Oven Cleaners
     Oven cleaners contain toxic chemicals which can cause serious symptoms on exposure. Severe gastrointestinal burns can be caused by ingesting oven cleaner. The burns can lead to perforation which involves a high risk of death. The type and severity of symp...more »
    1983. Chemical poisoning -- Oxamyl
     Oxamyl is a carbamate pesticide used mainly as an insecticide, acaricie and nematicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the...more »
    1984. Chemical poisoning -- Oxydeprofos
     Oxydeprofos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the ...more »
    1985. Chemical poisoning -- Oxydisulfoton
     Oxydisulfoton is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on th...more »
    1986. Chemical poisoning -- Palladium
     Palladium is a chemical which is very widely used in manufactured goods: jewelry, electronics, dentistry, medicine, groundwater treatment and fuel cells . Palladium carries a high risk of sensitization. Ingestion and other exposures to the chemical can ca...more »
    1987. Chemical poisoning -- Para-Dichlorobenzene
     Para-Dichlorobenzene is a chemical used mainly as a pesticide, mold and mildew preventer, moth repellent and toilet deodorant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    1988. Chemical poisoning -- Paraffin wax
     Paraffin wax is a chemical used mainly in the production of candles, paraffin papers, varnishes, floor polishes, food packaging, lubricants, cosmetics, wood waterproofing, cork and perfume extraction. The fumes from burning paraffin wax can be quite harmf...more »
    1989. Chemical poisoning -- Paramethoxyamphetamine
     Paramethoxyamphetamine is used as a recreational hallucinogenic drug. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exp...more »
    1990. Chemical poisoning -- Paraphenylenediamine
     Paraphenylenediamine is a chemical used mainly in photographic developing solutions, hair dye, photocopying and printing ink, black rubber, grease, temporary tattoos and car cosmetics. The chemical may be absorbed through the skin. Ingestion and other exp...more »
    1991. Chemical poisoning -- Parathion
     Parathion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    1992. Chemical poisoning -- Parathion Methyl
     Parathion Methyl is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved an...more »
    1993. Chemical poisoning -- Pentaborane
     Pentaborane is a chemical used mainly as a fuel additive, reducing agent and rocket propellant. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms vari...more »
    1994. Chemical poisoning -- Pentachlorophenol
     Pentachlorophenol is a chemical used mainly in fungicides, herbicides, insecticides, molluscicides, algicides and bactericides. It is commonly used as a wood preservative. Ingestion and other exposures to the chemical can cause various symptoms. The type ...more »
    1995. Chemical poisoning -- Pepper Spray
     Pepper Spray is a chemical used mainly in riot control. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1996. Chemical poisoning -- Perming lotion
     Perming lotion is a product used to create permanent hair curls. It contains chemicals such as thioglycolate which can cause poisoning symptoms if exposure occurs. The type and severity of symptoms varies depending on the amount of chemical involved and t...more »
    1997. Chemical poisoning -- Petroleum Distillates -- Naphtha
     Petroleum Distillates - Naphtha is a chemical used mainly in . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    1998. Chemical poisoning -- Phenkapton
     Phenkapton is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    1999. Chemical poisoning -- Phenol
     Phenol is a chemical used mainly in the production of fertilizer, explosives, rubber, paint, paint remover, perfumes, asbestos products, wood preservatives, resins, textiles, pharmaceuticals and drugs. Ingestion and other exposures to the chemical can cau...more »
    2000. Chemical poisoning -- Phorate
     Phorate is a chemical pesticide used as an insecticide, nematicide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending...more »
    2001. Chemical poisoning -- Phosalone
     Phosalone is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    2002. Chemical poisoning -- Phosdrin
     Phosdrin is a toxic pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    2003. Chemical poisoning -- Phosmet
     Phosmet is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amou...more »
    2004. Chemical poisoning -- Phosphamidon
     Phosphamidon is a chemical pesticide used as an insecticide and nematicide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on th...more »
    2005. Chemical poisoning -- Phosphine
     Phosphine is a chemical used mainly in pesticides and rodenticides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the expos...more »
    2006. Chemical poisoning -- Phoxim
     Phoxim is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amoun...more »
    2007. Chemical poisoning -- Phthalthrin
     Phthalthrin is an insecticide - it is used mainly for indoor purposes. Ingestion and other exposures to the chemical can cause various symptoms. Generally, large amounts need to be involved to cause serious symptoms. The type and severity of symptoms vari...more »
    2008. Chemical poisoning -- Pine Oil
     Pine Oil is a chemical used mainly as a disinfectant or cleaning agent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the e...more »
    2009. Chemical poisoning -- Pirimicarb
     Pirimicarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposu...more »
    2010. Chemical poisoning -- Pirimiphos-methyl
     Pirimiphos-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending o...more »
    2011. Chemical poisoning -- Platinum
     Platinum is a metal used mainly in jewelry, electrical contacts, dentistry, laboratory equipment and vehicle emission control devices. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depen...more »
    2012. Chemical poisoning -- Polychlorinated Biphenyls
     Polychlorinated Biphenyls are a group of chemicals which had a variety of applications but are now banned due to the fact that they don't degrade in the environment and tend to build up in the food chain where they can cause harmful effects. Ingestion and...more »
    2013. Chemical poisoning -- Polychlorinated Dibenzofurans
     Polychlorinated Dibenzofurans are a group of chemicals that are usually formed as a byproduct of various industrial processes. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    2014. Chemical poisoning -- Pool Cleaners
     Pool Cleaners contain various chemicals (mainly chlorine) which can cause serious symptoms if sufficient quantities are swallowed. The chemicals are very damaging to the mucosal linings in the body. The type and severity of symptoms varies depending on th...more »
    2015. Chemical poisoning -- Potassium Permanganate
     Potassium Permanganate is a chemical used in various applications: topical antibacterial, photography, laboratory chemical, wood dye, water purification and bleaching processes. Ingestion and other exposures to the chemical can cause various symptoms. The...more »
    2016. Chemical poisoning -- Prallethrin
     Prallethrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    2017. Chemical poisoning -- Primiphos methyl
     Primiphos methyl is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved an...more »
    2018. Chemical poisoning -- Profenofos
     Profenofos is a toxic pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    2019. Chemical poisoning -- Profluthrin
     Profluthrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    2020. Chemical poisoning -- Promacyl
     Promacyl is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature o...more »
    2021. Chemical poisoning -- Promecarb
     Promecarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposur...more »
    2022. Chemical poisoning -- Propane
     Propane is a chemical used mainly in fuels and as a solvent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    2023. Chemical poisoning -- Propoxur
     Propoxur is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature o...more »
    2024. Chemical poisoning -- Propylene Glycol
     Propylene Glycol is a chemical used mainly in cosmetics and in antifreeze and as a pharmaceutical solvent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemic...more »
    2025. Chemical poisoning -- Propylene Glycol Dinitrate
     Propylene Glycol Dinitrate is a chemical used mainly as a propellant or occasionally in explosives. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical invo...more »
    2026. Chemical poisoning -- Prothidathion
     Prothidathion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on th...more »
    2027. Chemical poisoning -- Prothoate
     Prothoate is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    2028. Chemical poisoning -- Protrifenbute
     Protrifenbute is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    2029. Chemical poisoning -- Pyresmethrin
     Pyresmethrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    2030. Chemical poisoning -- Pyrethrin
     Pyrethrin is used mainly as an indoor insecticide. Pyrethrin is considered to have a relatively low level of toxicity with large amounts usually required to produce toxicity symptoms. The type and severity of symptoms varies depending on the amount of che...more »
    2031. Chemical poisoning -- Pyrethroid
     Pyrethroid is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical i...more »
    2032. Chemical poisoning -- Pyridine
     Pyridine is a chemical used mainly in the production of herbicides, pesticides, antihistamine steroids, sulfa antibiotics, water repellents, dyes, paints and rubber. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemi...more »
    2033. Chemical poisoning -- Pyrimitate
     Pyrimitate is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    2034. Chemical poisoning -- Quinalphos
     Quinalphos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    2035. Chemical poisoning -- Quinone
     Quinone is a chemical used mainly in industrial applications for the manufacture of dyes, chemicals, textiles cosmetics and in the tanning processes. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of sympto...more »
    2036. Chemical poisoning -- Quintiofos
     Quintiofos is a chemical pesticide used as an acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemica...more »
    2037. Chemical poisoning -- RDX
     RDX is a chemical used mainly in explosives, fireworks, detonators and rodenticides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the na...more »
    2038. Chemical poisoning -- Rhodium
     Rhodium is metallic element used mainly in platinum and palladium alloys and vehicle catalytic converters. It is also used in jewelry, high quality pens, and as a catalyst in various industrial processes. Ingestion and other exposures to the chemical can ...more »
    2039. Chemical poisoning -- Rotenone
     Rotenone is a naturally occurring chemical found in certain plants (Derris and Lonchocarpus sp.). It gives the plant insecticidal and pesticidal properties and is hence utilized commercially as an insecticide. Ingestion and other exposures to the chemical...more »
    2040. Chemical poisoning -- Ruthenium
     Ruthenium is an element used mainly in the electrical and chemical industries as well as alloys. It is considered one of the rarest metals on earth. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptom...more »
    2041. Chemical poisoning -- Selenious Acid
     Selenious Acid is a chemical used mainly in gun bluing agents. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    2042. Chemical poisoning -- Selenium
     Selenium is a chemical element used mainly as an industrial catalyst, in glass and ceramic manufacturing, as an animal feed additive, in photography and in the electronics industry. Ingestion and other exposures to the chemical can cause various symptoms....more »
    2043. Chemical poisoning -- Selenium Dioxide
     Selenium Dioxide is a chemical used mainly in gun bluing solutions. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the expos...more »
    2044. Chemical poisoning -- Silafluofen
     Silafluofen is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    2045. Chemical poisoning -- Silver
     Silver is a chemical used mainly in electric products and photography. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the ex...more »
    2046. Chemical poisoning -- Sodium Azide
     Sodium Azide is a chemical used mainly in nematocides, herbicides, explosives detonators and in vehicle air bags. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severit...more »
    2047. Chemical poisoning -- Sodium Hypochlorite
     Sodium Hypochlorite is a chemical used mainly in disinfectants, bleach, deodorizers and as a water purifier. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chem...more »
    2048. Chemical poisoning -- Sodium Monofluoroacetate
     Sodium Monofluoroacetate is a chemical used mainly as a rodenticides, often to control mammal pests in crops. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of che...more »
    2049. Chemical poisoning -- Sodium Oleate
     Sodium Oleate is a chemical used mainly in insecticides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    2050. Chemical poisoning -- Solder
     Solder contains various chemicals and heavy metals which can cause serious symptoms if sufficient quantities are swallowed. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    2051. Chemical poisoning -- Sophamide
     Sophamide is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    2052. Chemical poisoning -- Stoddard Solvent
     Stoddard Solvent is a solvent used in dry cleaning, ink printing, adhesives, paint thinners, liquid photocopier toners. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amo...more »
    2053. Chemical poisoning -- Strychnine
     Strychnine is used as a rodenticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    2054. Chemical poisoning -- Sulfotep
     Sulfotep is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amo...more »
    2055. Chemical poisoning -- Sulfur Dioxide
     Sulfur Dioxide is a chemical used mainly as a disinfectant, food preservative, fumigant, antioxidant and in the manufacture of some cements. It is also found as an air pollutant associated with smelters. Ingestion and other exposures to the chemical can c...more »
    2056. Chemical poisoning -- Sulfur Trioxide
     Sulfur Trioxide is a chemical used mainly in the production of sulfuric acid and explosives. Sulfur trioxide is also a significant air pollutant which can mix with moisture in the air to produce "acid rain". Ingestion and other exposures to the chemical c...more »
    2057. Chemical poisoning -- Sulfuric Acid
     Sulfuric Acid is a chemical used mainly in car batteries and in the fur and leather industries. It is a significant component of air pollution and results in the production of "acid rain". Ingestion and other exposures to the chemical can cause various sy...more »
    2058. Chemical poisoning -- Sulfuryl Fluoride
     Sulfuryl Fluoride is a chemical used mainly as a fumigant insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the ex...more »
    2059. Chemical poisoning -- Tar remover
     Tar remover contains various chemicals (mainly hydrocarbons) which can cause serious symptoms if sufficient quantities are swallowed. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    2060. Chemical poisoning -- Tau-Fluvalinate
     Tau-Fluvalinate is a pyrethroid chemical used as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature o...more »
    2061. Chemical poisoning -- Tazimcarb
     Tazimcarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposur...more »
    2062. Chemical poisoning -- Tecnazene
     Tecnazene is a chemical used mainly to prevent sprouts forming on stored potatoes and as a greenhouse fungicide. Ingestion and other exposures to the chemical can cause various symptoms. The chemical is considered only mildly toxic but should nevertheless...more »
    2063. Chemical poisoning -- Tefluthrin
     Tefluthrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    2064. Chemical poisoning -- Terbufos
     Terbufos is a chemical pesticide used as an insecticide and nematicide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    2065. Chemical poisoning -- Tetrachloroethane
     Tetrachloroethane is a chemical used mainly as a dry cleaning solvent but is also used as a degreaser and in paint strippers and spot removers. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms var...more »
    2066. Chemical poisoning -- Tetrachloroethylene
     Tetrachloroethylene is a chemical used mainly as a fabric dry cleaner, degreaser, worming treatment for animals and in the manufacture of freons. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms v...more »
    2067. Chemical poisoning -- Tetraethyl Pyrophosphate
     Tetraethyl Pyrophosphate is a toxic pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    2068. Chemical poisoning -- Tetrahydrofuran
     Tetrahydrofuran is a chemical used mainly as a plastic solvent and in the processing of varnish, ink, paint and glue. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amoun...more »
    2069. Chemical poisoning -- Tetramethrin
     Tetramethrin is an insecticide - it is used mainly for indoor purposes. Ingestion and other exposures to the chemical can cause various symptoms. Generally, large amounts need to be involved to cause serious symptoms. The type and severity of symptoms var...more »
    2070. Chemical poisoning -- Tetramethylammonium Hydroxide
     Tetramethylammonium Hydroxide is a chemical used mainly in the production of a variety of electronic components. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of ...more »
    2071. Chemical poisoning -- Tetryl
     Tetryl is a chemical used mainly as a military explosive. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    2072. Chemical poisoning -- Thallium
     Thallium is an element used for such things as electronic devices, selenium rectifiers, gamma radiation detection apparatus, transmission equipment and infrared radiation detection. It is also used as a catalyst in various manufacturing processes. Ingesti...more »
    2073. Chemical poisoning -- Thallium Sulfate
     Thallium Sulfate is a chemical used mainly in the manufacture of switches and closures in the semiconductor industry. It has historically also been used as a rodenticide. Ingestion and other exposures to the chemical can cause various symptoms. The type a...more »
    2074. Chemical poisoning -- Thiocarboxime
     Thiocarboxime is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nat...more »
    2075. Chemical poisoning -- Thiodicarb
     Thiodicarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposu...more »
    2076. Chemical poisoning -- Thiofanox
     Thiofanox is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature ...more »
    2077. Chemical poisoning -- Thioglycolic Acid
     Thioglycolic Acid is a chemical used mainly in leather processing and in the production of hair straightening solutions, hair removal products, polyvinyl chloride, pharmaceuticals, agrochemicals and in metal detection reactions. Ingestion and other exposu...more »
    2078. Chemical poisoning -- Thiometon
     Thiometon is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    2079. Chemical poisoning -- Thiram
     Thiram is a chemical used mainly in the rubber industry, latex manufacture and as a pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved ...more »
    2080. Chemical poisoning -- Thorium
     Thorium is an element used mainly as a nuclear power source and in magnesium alloys, electronic tubes, light filaments and electrodes. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depen...more »
    2081. Chemical poisoning -- Tin
     Tin is an element used mainly in steel can coatings, copper wire coating and solder, bronze and pewter. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical ...more »
    2082. Chemical poisoning -- Titanium
     Titanium is an element used mainly in alloys. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    2083. Chemical poisoning -- Tolclofos methyl
     Tolclofos methyl is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved an...more »
    2084. Chemical poisoning -- Toluene
     Toluene is a chemical used mainly in pesticides, degreasers, glues and pain removers. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the n...more »
    2085. Chemical poisoning -- Toluene Diisocyanate
     Toluene Diisocyanate is a chemical used mainly in the manufacture of elastomers and polyurethane foams. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical ...more »
    2086. Chemical poisoning -- Tralomethrin
     Tralomethrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    2087. Chemical poisoning -- Transfluthrin
     Transfluthrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    2088. Chemical poisoning -- Transpermethrin
     Transpermethrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure...more »
    2089. Chemical poisoning -- Triazophos
     Triazophos is a chemical pesticide used as an insecticide, nematicide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depend...more »
    2090. Chemical poisoning -- Triazotion
     Triazotion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    2091. Chemical poisoning -- Tributyl Phosphate
     Tributyl Phosphate is a chemical used mainly as a plasticizer, antifoaming agent, solvent for uranium extraction and in hydraulic fluid. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies dep...more »
    2092. Chemical poisoning -- Trichlorfon
     Trichlorfon is an insecticide used mostly in crops. It is considered motderately toxic to humans. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involv...more »
    2093. Chemical poisoning -- Trichloroethane
     Trichloroethane is a chemical used mainly as an industrial solvent but also in inks and lubricants. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical invo...more »
    2094. Chemical poisoning -- Trichloroethylene
     Trichloroethylene is a chemical used mainly as an industrial solvent and in adhesives, lacquer, fire retardants and house cleaning solvents. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies...more »
    2095. Chemical poisoning -- Triethanolamine
     Triethanolamine is a widely used chemical. It is involved in the production of cosmetics, toilet products, waxes, resins, paraffins, dyes, polishes and herbicides. Ingestion and other exposures to the chemical can cause various symptoms. The type and seve...more »
    2096. Chemical poisoning -- Trifenfos
     Trifenfos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    2097. Chemical poisoning -- Trimellitic Anhydride
     Trimellitic Anhydride is a chemical used mainly in the manufacturing process of paint, plastics, polyester resins and as a curing agent for epoxy and other resins. Ingestion and other exposures to the chemical can cause various symptoms. The type and seve...more »
    2098. Chemical poisoning -- Trimethacarb
     Trimethacarb is a carbamate pesticide used mainly as an insecticide, bird repellent, molluscicide and mamal repellent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amou...more »
    2099. Chemical poisoning -- Tungsten
     Tungsten is an element used mainly in light bulb filaments, X-ray tubes, electrodes, superalloys, heating elements and various other high temperature uses. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of ...more »
    2100. Chemical poisoning -- Turpentine Oil
     Turpentine Oil is a chemical used mainly as a solvent, paint thinner and various other applications such as deodorizing fragrances and antiseptics. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms...more »
    2101. Chemical poisoning -- Uranium
     Uranium is an element used mainly in commercial nuclear power plants. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exp...more »
    2102. Chemical poisoning -- Vamidothion
     Vamidothion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the ...more »
    2103. Chemical poisoning -- Vanadium
     Vanadium is an element used mainly in steel alloys but is also used in glass coatings, electric fuel cells and other applications. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending...more »
    2104. Chemical poisoning -- Vinyl Acetate
     Vinyl Acetate is a chemical used in the manufacturing process of a wide range of products such as adhesives, paints, textiles, wood glue and vehicle glass . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of...more »
    2105. Chemical poisoning -- Vinyl Choride
     Vinyl Choride is an intermediate chemical used in the manufacturing process of a variety of products: polyvinyl chloride, pipes, wire coverings, vehicle plastics, rubber, paper, furniture and glass. Ingestion and other exposures to the chemical can cause ...more »
    2106. Chemical poisoning -- White Phosphorus
     White Phosphorus is a chemical used mainly in fertilizers, water treatment, rodenticides and insecticides (for cockroaches). Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on th...more »
    2107. Chemical poisoning -- Window cleaner
     Window cleaner contains various chemicals (usually alcohols and ammonia) which can cause serious symptoms if sufficient quantities are ingested. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the ex...more »
    2108. Chemical poisoning -- XMC
     XMC is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The...more »
    2109. Chemical poisoning -- Xylene
     Xylene is a chemical used mainly in pesticides and in the manufacture of glue, paint, paper, rubber, pharmaceuticals and polymers. It is also used as a solvent and clarifier for microscopic tissue examinations in laboratories. Ingestion and other exposure...more »
    2110. Chemical poisoning -- Xylylcarb
     Xylylcarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposur...more »
    2111. Chemical poisoning -- Zinc Phosphide
     Zinc Phosphide is a chemical used mainly as a rodenticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    2112. Chemical poisoning -- acetic acid
     Acetic acid is a chemical used for medicinal purposes such as superficial ear infections, jellyfish stings and bladder irrigation. Acetic acid is a also a component of vinegar which is used as a cooking ingredient. The type and severity of symptoms varies...more »
    2113. Chemical poisoning -- alpha-Cypermethrin
     alpha-Cypermethrin is a pyrethroid chemical used as an insecticide and acaricide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on th...more »
    2114. Chemical poisoning -- beta-Cypermethrin
     Beta-Cypermethrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of che...more »
    2115. Chemical poisoning -- gamma-Cyhalothrin
     Gamma-Cyhalothrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of che...more »
    2116. Chemical poisoning -- gamma-HccH
     Gamma-HccH is an insecticide which is considered moderately toxic to humans and acts as a central nervous system stimulant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the...more »
    2117. Chemical poisoning -- lambda-Cyhalothrin
     lambda-Cyhalothrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of ch...more »
    2118. Chemical poisoning -- m-Anisidine
     o-Anisidine is a chemical used mainly in the production process of pharmaceuticals and azo-dyes . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involv...more »
    2119. Chemical poisoning -- o-Anisidine
     o-Anisidine is a chemical used mainly in the production process of pharmaceuticals and azo-dyes . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involv...more »
    2120. Chemical poisoning -- p-Anisidine
     p-Anisidine is a chemical used mainly in the production process of pharmaceuticals and azo-dyes . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involv...more »
    2121. Chemical poisoning -- theta-Cypermethrin
     theta -Cypermethrin is a pyrethroid chemical used as an insecticide. The chemical is toxic to the nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of c...more »
    2122. Chemical poisoning -- zeta-Cypermethrin
     zeta-Cypermethrin is a pyrethroid chemical used as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposu...more »
    2123. Chemical worker's lung (Ammonia)
     Inhalation of a chemical called Ammonia in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to t...more »
    2124. Chemical worker's lung (Chlorine)
     Inhalation of a chemical called Chlorine in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to ...more »
    2125. Chemical worker's lung (Formalin vapours)
     Inhalation of a chemical called Formalin vapours in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to expo...more »
    2126. Chemical worker's lung (Hydrogen Sulfide)
     Inhalation of a chemical called Hydrogen Sulfide in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to expo...more »
    2127. Chemical worker's lung (Methylene Diisocyanate)
     Inhalation of a chemical called Methylene Diisocyanate in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting t...more »
    2128. Chemical worker's lung (Nitrogen dioxide)
     Inhalation of a chemical called Nitrogen dioxide in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to expo...more »
    2129. Chemical worker's lung (Ozone)
     Inhalation of a chemical called Ozone in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to the...more »
    2130. Chemical worker's lung (Phosgene)
     Inhalation of a chemical called Phosgene in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to ...more »
    2131. Chemical worker's lung (Sulfur dioxide)
     Inhalation of a chemical called Sulfur dioxide in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposu...more »
    2132. Chemical worker's lung (Trimellitic anhydride)
     Inhalation of a chemical called trimellitic anhydride)in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to...more »
    2133. Chemical worker's lung -- Lacquer
     Inhalation of a lacquer (which contains isocyanates) in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to ...more »
    2134. Chemical worker's lung -- Varnish
     Inhalation of a varnish (which contains isocyanates) in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to ...more »
    2135. Chemical-induced cardiovascular disease
     Chronic exposure to certain chemicals can cause cardiovascular disease. For example, exposure to Carbon disulfide can lead to heart disease and carries a risk of premature death as a result. Chronic exposure to these sort of chemicals is most likely to oc...more »
    2136. Chemke-Oliver-Mallek syndrome
     A very rare syndrome characterized mainly by eye and finger and toe abnormalities....more »
    2137. Chenile plant poisoning
     The chenille plant is a shrub which bears a long thin stem of red flowers. The plant originated in Australia and New Guinea and is often utilized as a houseplant or ornamental garden plant. The sap from the plant contains diterpene esters which can cause ...more »
    2138. Cherophobia
     An exaggerated or irrational fear of gaiety....more »
    2139. Cherry laurel seed poisoning
     Wild cherry seeds contain a chemical called amygdalin which breaks down into cyanide in the human body. The toxic chemicals are not released if the seed remains intact and therefore poisoning usually occurs if the seeds are crushed and eaten. Accidental i...more »
    2140. Cherry seed poisoning
     Cherry seeds contain a chemical called amygdalin which breaks down into cyanide in the human body. The toxic chemicals are not released if the seed remains intact and therefore poisoning usually only occurs if the seeds are crushed and eaten. Accidental i...more »
    2141. Chest Cold
     Acute lower respiratory infection caused by virus...more »
    2142. Chiari Malformation
     Protrusion of the brain down the spinal column....more »
    2143. Chiari-1 Malformation
     A rare malformation where the base of the brain enters into the upper spinal canal....more »
    2144. Chiari-Frommel syndrome
     A rare condition where galactorrhea and amenorrhea continues for an abnormal length of time (generally longer than 6 months) after giving birth....more »
    2145. Chicken allergy
     A chicken allergy is an adverse reaction by the body's immune system to chickens. The allergy is usually associated with the skin, feathers or excrement from the chicken. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine...more »
    2146. Chickenpox
     Common viral infection....more »
    2147. Chikungunya
     A rare viral disease usually transmitted by mosquitoes and characterized by fever, rash and severe arthritis....more »
    2148. Chikungunya fever-like intense Muscle aches
     Also known as myalgia. The most common causes are overuse or over-stretching of a muscle or group of muscles. Myalgia without a traumatic history is often due to viral infections. Long-term myalgia maybe indicative of metabolic myopathy, nutritional defic...more »
    2149. Chilaiditi syndrome
     A rare disorder where a part of the colon, or sometimes intestine, is abnormally positioned between the liver and the diaphragm. The defect may occur in people who have chronic lung disease or abdominal ascites but may also occur in healthy individuals wi...more »
    2150. Chilblain
     Skin inflammation usually in cold weather...more »
    2151. Childbirth
     Delivery of a fetus by a pregnant woman....more »
    2152. Childhood asthma
     Childhood asthma is a type of asthma that occurs during childhood. Asthma involves constriction and inflammation of the airways. The severity of symptoms is variable. The asthma may be triggered by allergens, pollution, viral infections and many other fac...more »
    2153. Childhood hypophosphatasia
     An inherited bone disorder due to an inborn error of metabolism characterized by a deficiency of alkaline phosphate which results in loss of deciduous teeth before the age of 5 as well as muscle and bone problems - childhood onset....more »
    2154. Childhood liver cancer, primary
     Cancer that develops in the tissue of the liver in children....more »
    2155. Childhood-onset bipolar disorder
     Bipolar disorder is a serious mental illness characterized by recurrent episodes of depression, mania, and/or mixed symptom states. These episodes cause unusual and extreme shifts in mood, energy, and behavior that interfere significantly with normal, hea...more »
    2156. Childhood-onset cerebral X-linked adrenoleukodystrophy
     A rare genetic disorder characterized by progressive degeneration of the protective sheath around nerves resulting in increasing difficulty. The childhood cerebral form of the condition is the most severe....more »
    2157. Chinophobia
     An exaggerated or irrational fear of snow....more »
    2158. Chitayat Meunier Hodgkinson syndrome
     A very rare syndrome characterized by face and finger abnormalities...more »
    2159. Chlamydia
     Common sexually transmitted disease often without symptoms....more »
    2160. Chlamydia pneumoniae
     Specific bacterial type of pneumonia...more »
    2161. Chloramphenicol-induced Sideroblastic anemia
     Chloramphenicol-induced sideroblastic anemia is a blood disorder caused by taking a drug called chloramphenicol. The body has sufficient iron levels but is unable to utilise it properly in red blood cells. The iron becomes abnormally deposited in red bloo...more »
    2162. Chlordiazepoxide -- Teratogenic Agent
     There is evidence to indicate that exposure to Chlordiazepoxide (a sedative or hypnotic drug) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may ...more »
    2163. Chloroma
     A rare type of tumor that develops from myeloid cells (type of immature white blood cell) and tends to usually have a greenish color. The tumor is essentially a localized solid collection of leukemic cells that occurs outside the bone marrow. It can occur...more »
    2164. Chloromyeloma
     A rare type of tumor that develops from myeloid cells (type of immature white blood cell) and tends to usually have a greenish color. The tumor is essentially a localized solid collection of leukemic cells that occurs outside the bone marrow. It can occur...more »
    2165. Chlorophacinone rodenticide poisoning
     Chlorophacinone is used as a rodenticide. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and th...more »
    2166. Chlorpheniramine -- Teratogenic Agent
     There is evidence to indicate that exposure to Chlorpheniramine (an antihistamine medication) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may ...more »
    2167. Chlortetracycline -- Teratogenic Agent
     There is evidence to indicate that exposure to Chlortetracycline (an antibiotic) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected b...more »
    2168. Chokecherry seed poisoning
     Chokecherry seeds contain a chemical called amygdalin which breaks down into cyanide in the human body. The toxic chemicals are not released if the seed remains intact and therefore poisoning usually occurs if the seeds are crushed and eaten. Accidental i...more »
    2169. Cholangitis
     bile duct inflammation (cholangitis)...more »
    2170. Cholecystitis
     Inflammation of the gallbladder which concentrates and stores bile. The condition may occur suddenly (acute) or persist over a longer period of time (chronic)....more »
    2171. Choledochal cyst, hand malformation
     A rare disorder characterized by the dilation of a portion of the biliary system and hand malformation....more »
    2172. Cholera
     An acute bacterial disease transmitted through food or water contaminated with human faeces. The intestinal infection is caused by the bacterium Vibrio cholerae....more »
    2173. Cholerophobia
     An exaggerated or irrational fear of cholera....more »
    2174. Cholestasis -- pigmentary retinopathy -- cleft palate
     A rare syndrome characterized by degeneration of retinal pigments, cleft lip, cleft palate, kidney problems and cholestasis (bile flow obstruction)....more »
    2175. Cholestasis, intrahepatic of pregnancy
     A rare liver disorder (impaired flow of bile) that occurs during third trimester of pregnancy with symptoms usually disappearing after delivery....more »
    2176. Cholesteatoma
     Uncommon middle ear condition...more »
    2177. Cholesterol pneumonia
     Lung inflammation caused by cholesterol....more »
    2178. Chondritis
     Inflammation of the cartilage of the joint...more »
    2179. Chondrocalcinosis
     A rare inherited metabolic disorder where the chemical calcium pyrophosphate dihyrdate is deposited in one or more joints in the body - usually the knee is affected....more »
    2180. Chondrocalcinosis 1
     A very rare genetic disorder characterized by progressive osteoarthritis which starts relatively early and is progressive. Joint damage is caused by deposits of crystals containing calcium....more »
    2181. Chondrocalcinosis 2
     A very rare genetic disorder characterized by progressive osteoarthritis. Joint damage is caused by deposits of crystals containing calcium....more »
    2182. Chondrocalcinosis due to apatite crystal deposition
     A rare inherited disorder involving calcium pyrophosphate deposits in cartilage, joint fluid and tissues around joints....more »
    2183. Chondrodysplasia Punctata, Rhizomelic type
     A rare genetic disorder characterized by slow growth, mental deficiency, characteristic facial features and skeletal deformities particularly of the limbs, spine and pelvis....more »
    2184. Chondrodysplasia punctata
     A group of inherited disorder affecting the skeleton, skin, eyes and mental function. The disorders are characterized mainly by stippled epiphyses (abnormal calcification near joints) during infancy. The various forms of the disorders have varying severit...more »
    2185. Chondrodysplasia punctata lethal neonatal
     A rare skeletal disorder which results in the infant's death before or soon after birth. Symptoms include a variety of severe skeletal abnormalities and an enlarged head....more »
    2186. Chondrodysplasia punctata, non rhizomelic type
     A group of inherited disorder affecting the skeleton, skin, eyes and mental function. The disorders are characterized mainly by stippled epiphyses (abnormal calcification near joints) during infancy. The non-rhizomelic forms tend to be milder, with minima...more »
    2187. Chondrodysplasia, type Nance-Sweeney
     A very rare condition characterized mainly by bone malformations, hearing loss and facial anomalies....more »
    2188. Chondrodystrophia calcificans congenita
     A rare genetic disorder characterized by growth deficiency, short limbs, large skin pores, sparse hair and other abnormalities....more »
    2189. Chondrodystrophia punctata, autosomal dominant
     A rare genetic disorder characterized by growth deficiency, short limbs, large skin pores, sparse hair and other abnormalities....more »
    2190. Chondromalacia
     Degeneration or irritation of joint cartilage that usually affects the knees. It is believed to be caused most often by overuse of the joint....more »
    2191. Chondromatosis (benign)
     Benign cartilage growths that can occur in various parts of the body. Symptoms are determined by the size and exact location of the growth. For example, a spinal chondroma can result in compression of the spinal cord....more »
    2192. Chondrosarcoma (malignant)
     A form of bone cancer that originates from cartilage tissue. The most common areas affected are the pelvic bones, femur, humerus, arm, spine and ribs...more »
    2193. Chorditis
     Inflammation of a cord, usually the vocal or spermatic cord. The inflammation is most often caused by overuse or abuse of the voice but may also be caused by cancer....more »
    2194. Chordoma
     Chordomas are rare tumors that arise from embryonic notochordal remnants along the length of the neuraxis at developmentally active sites. These sites are the ends of the neuraxis and the vertebral bodies....more »
    2195. Chorea, remitting with nystagmus and cataracts
     A rare inherited disorder characterized by chorea and involuntary horizontal eye movements that start in infancy and improve or disappear by the age of 10. Cataracts were also present....more »
    2196. Choreoathetosis-spasticity, episodic
     A dominantly inherited movement disorder characterized by episodes of involuntary movments. Symptom episodes are often triggered by fatigue, alcohol, physical exertion and stress....more »
    2197. Chorioretinitis
     Inflammation of the choroids and retina of the eye. It can be caused by various pathogens such as bacteria, viruses, fungus or protozoa. Other noninfectious diseases such as sarcoidosis can cause abnormal deposits in the eye which can also result in infla...more »
    2198. Chorioretinopathy -- microcephaly, autosomal recessive
     A rare, recessively inherited disorder characterized by a small head and a degenerative eye condition....more »
    2199. Chorioretinopathy dominant form -- microcephaly
     A rare inherited disorder characterized by a small head, mental retardation and a degenerative eye condition....more »
    2200. Choroid Plexus neoplasms
     A rare type of brain tumor that originates in the choroids plexus. The choroids plexus is located inside a space in the brain called the ventricles and produces cerebrospinal fluid. Symptoms are determined by the size, type and exact location of the tumor...more »
    2201. Choroidal dystrophy central areolar
     An inherited eye disorder....more »
    2202. Choroideremia -- hypopituitarism
     A rare inherited disorder characterized by eye disease and hypopituitarism....more »
    2203. Choroiditis
     Inflammation of the part of the eye called the choroid (layer behind the retina). Usually only one eye is affected....more »
    2204. Chrematophobia
     An exaggerated or irrational fear of wealth....more »
    2205. Christmas Cherry poisoning
     The Christmas Cherry is a small reddish-orange fruit. The plant contains a compound called solanocapsine which can cause symptoms if excessive amounts are consumed. The compound is found in all parts of the plant - especially the leaves and unripe fruit. ...more »
    2206. Christmas Rose poisoning
     The Christmas Rose plant contains proteoanemonin which can cause blisters and saponins which can cause irritation. The plant is found mainly in Europe. All parts of the plant are poisonous....more »
    2207. Chrome contact allergy
     Chrome contact allergy usually refers to an allergic response to chromium salts which are found in a wide range of products such as leather, paint and cement. Sensitization usually occurs in a workplace settings....more »
    2208. Chrometophobia
     An exaggerated or irrational fear of money....more »
    2209. Chromophil renal cell carcinoma
     A type of kidney tumor where the cells that make up the tumor take up dye readily during pathology testing....more »
    2210. Chromophobe renal cell carcinoma
     A rare type of kidney tumor. The cells that make up the tumor tend to be clear and do not readily take up dye during pathology analysis. Metastasis often only occurs late in the course of the disease and surgical removal usually leads to a good prognosis....more »
    2211. Chromophobia
     An exaggerated or irrational fear of colors....more »
    2212. Chromosome 1, 1p36 deletion syndrome
     A rare chromosomal disorder where deletion of a portion of chromosome 1 causes various abnormalities such as heart problems, mental retardation, developmental delay, facial dysmorphism and short stature. The symptoms are variable depending on the exact lo...more »
    2213. Chromosome 10, Monosomy 10p
    2214. Chromosome 10, trisomy 10p
     A rare chromosomal disorder where there are three copies of the short arm (p) of chromosome 10 rather than the normal two resulting in various abnormalities. The type and severity of symptoms depend on the amount and location of genetic material duplicate...more »
    2215. Chromosome 10, trisomy 10pter p13
     A rare chromosomal disorder where duplication of a portion of chromosome 10 causes various abnormalities such as a wasted build, gut and heart placement abnormalities and lack of reflexes....more »
    2216. Chromosome 10p deletion syndrome
     A rare chromosomal disorder where there is a deletion of the short arm (p) of chromosome 10 resulting in variable abnormalities....more »
    2217. Chromosome 10p duplication syndrome
     A rare chromosomal disorder where there are three copies of the short arm (p) of chromosome 10 rather than the normal two resulting in various abnormalities. The type and severity of symptoms depend on the amount and location of genetic material duplicate...more »
    2218. Chromosome 11, deletion 11p
     A syndrome that is caused by the deletion of short arm (p) of chromosome 11. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is deleted....more »
    2219. Chromosome 11q duplication syndrome
     A rare chromosomal disorder where there are three copies of the long arm (q) of chromosome 11 rather than the normal two resulting in various abnormalities. The type and severity of symptoms depend on the amount and location of genetic material duplicated...more »
    2220. Chromosome 12, Isochromosome 12p Mosaic
     A very rare disorder genetic disorder involving abnormalities in chromosome 12. The severity of symptoms is variable and tends to include a wide range of defects and abnormalities....more »
    2221. Chromosome 12p tetrasomy syndrome
     A rare chromosomal disorder where there are four copies of the short arm (p) of chromosome 12 rather than the normal two resulting in various abnormalities....more »
    2222. Chromosome 13, Partial Monosomy 13q
     A rare chromosomal disorder where the long arm (q) of chromosome 13 is deleted resulting in various physical, neurological and developmental abnormalities. The type and severity of symptoms is determined by the amount and location of the deleted genetic m...more »
    2223. Chromosome 13q deletion
     A rare chromosomal disorder where the long arm (q) of chromosome 13 is deleted resulting in various physical, neurological and developmental abnormalities. The type and severity of symptoms is determined by the amount and location of the deleted genetic m...more »
    2224. Chromosome 13q duplication syndrome
     A rare chromosomal disorder where the long arm (q) of chromosome 13 is duplicated resulting in various physical, neurological and developmental abnormalities....more »
    2225. Chromosome 13q partial deletion
     A rare chromosomal disorder where part of the long arm (q) of chromosome 13 is deleted resulting in various physical, neurological and developmental abnormalities. The type and severity of symptoms is determined by the amount and location of the deleted g...more »
    2226. Chromosome 14 trisomy
     A rare chromosomal disorder involving duplication of genetic material from chromosome 14 resulting in various abnormalities. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is duplicated....more »
    2227. Chromosome 14 trisomy syndrome
     A rare chromosomal disorder involving duplication of genetic material from chromosome 14 resulting in various abnormalities....more »
    2228. Chromosome 14q deletion syndrome
     A rare chromosomal disorder involving deletion of genetic material from the long arm (q) of chromosome 14 resulting in various abnormalities....more »
    2229. Chromosome 14q, partial deletion
     A rare chromosomal disorder involving deletion of genetic material from the long arm (q) of chromosome 14 resulting in various abnormalities....more »
    2230. Chromosome 15q duplication syndrome
     A rare chromosomal disorder involving an extra copy of genetic material from the long arm of chromosome 15. The type and severity of symptoms are determined by the amount and location of the duplicated genetic material....more »
    2231. Chromosome 15q, trisomy
     A rare chromosomal disorder involving an extra copy of genetic material from the long arm of chromosome 15. The type and severity of symptoms are determined by the amount and location of the duplicated genetic material....more »
    2232. Chromosome 15q26-qter Deletion Syndrome
     A rare disorder where a portion of genetic material on a particular chromosomal location (15q26-qter) is missing which manifests in a variable range of symptoms....more »
    2233. Chromosome 17, deletion 17q23 q24
     A rare chromosomal disorder involving deletion of genetic material from the long arm of chromosome 17. The type and severity of symptoms are determined by the amount and location of the lost genetic material....more »
    2234. Chromosome 17p, partial deletion
     A rare chromosomal disorder involving deletion of genetic material from the short arm of chromosome 17. The type and severity of symptoms are determined by the amount and location of the lost genetic material....more »
    2235. Chromosome 18 deletion syndrome
     A rare chromosomal disorder where a portion of chromosome 18 is missing....more »
    2236. Chromosome 18p minus syndrome
     A rare genetic disorder where a portion of the genetic material from the short arm of chromosome18 is missing. The symptoms or severity may vary somewhat between patients....more »
    2237. Chromosome 18q, partial deletion
     A rare chromosomal disorder involving deletion of genetic material from the long arm of chromosome 18. The type and severity of symptoms are determined by the amount and location of the lost genetic material....more »
    2238. Chromosome 18q- Syndrome
     A rare chromosomal disorder where a portion of chromosome 18 is missing. The type and severity of symptoms is determined by the amount of genetic material that is missing....more »
    2239. Chromosome 1q deletion
     A rare chromosomal disorder where part of the long arm (q) of chromosome 1 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    2240. Chromosome 1q duplication syndrome
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 1 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    2241. Chromosome 1q21.1 Deletion Syndrome
     A rare chromosomal disorder caused by the deletion of a portion of chromosome 1 at a specific location (1q21.1). The main symptoms were mental retardation and various physical anomalies. The manifestations in individuals is quite variable....more »
    2242. Chromosome 2 trisomy syndrome
     A rare chromosomal disorder where there are three copies of chromosome 2 instead of the normal two....more »
    2243. Chromosome 2, monosomy 2pter p24
     A very rare chromosomal disorder where a portion of chromosome 2 is deleted resulting in a range of birth defects and abnormalities....more »
    2244. Chromosome 2, monosomy 2q
     A rare chromosomal disorder where part of the long arm (q) of chromosome 2 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    2245. Chromosome 2, monosomy 2q24
     A genetic disorder characterized by the deletion of a portion of the long arm of chromosome 2....more »
    2246. Chromosome 2, trisomy 2p
     A rare chromosomal disorder where a portion of the short arm (p) of chromosome 2 is duplicated so there is three copies of it rather than the normal two....more »
    2247. Chromosome 21q, partial deletion
     A rare chromosomal disorder where a portion of the long arm of chromosome 21 is deleted....more »
    2248. Chromosome 22 trisomy mosaic
     A rare chromosomal disorder where three copies of chromosome 22 are present in some of the body's cells instead of the normal two. Severity of symptoms is determined by how many cells have the extra chromosomal material....more »
    2249. Chromosome 22, microdeletion 22q11
     A rare chromosomal disorder where a portion of the long arm of chromosome 22 is deleted....more »
    2250. Chromosome 22, trisomy
     A very rare disorder where there is an extra copy of chromosome 22 in all the body cells. The condition is usually fatal soon after birth or during the fetal stage....more »
    2251. Chromosome 22q deletion
     A rare genetic disorder where a portion of the genetic material from the long arm of chromosome 22 is missing. The symptoms or severity may vary somewhat between patients....more »
    2252. Chromosome 22q deletion syndrome
     A rare chromosomal disorder where the long arm of chromosome 22 is deleted resulting in various abnormalities....more »
    2253. Chromosome 22q11 Deletion Spectrum
     A rare chromosomal disorder where a small piece of genetic material is missing from chromosome 22 at the q11 location....more »
    2254. Chromosome 2p deletion syndrome
     A rare chromosomal disorder where part or all of the short arm (p) of chromosome 2 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    2255. Chromosome 2p duplication syndrome
     A rare chromosomal disorder where a portion of the short arm (p) of chromosome 2 is duplicated so there is three copies of it rather than the normal two....more »
    2256. Chromosome 3, trisomy 3q
     A rare chromosomal disorder where a portion of the long arm (q) of chromosome 3 is duplicated so there is three copies of it rather than the normal two. The condition is characterized by mental and growth deficiency, broad nose root and excessive hair gro...more »
    2257. Chromosome 3/B translocation
     A rare chromosomal disorder involving a translocation of genetic material of chromosome 3....more »
    2258. Chromosome 4 Ring
     A rare chromosomal disorder where the ends of chromosome 4 have been deleted and the two broken ends have rejoined to form a ring shape resulting in a range of symptoms determined by the size and location of the genetic deletion....more »
    2259. Chromosome 4 ring syndrome
     A rare chromosomal disorder where the ends of chromosome 4 have been deleted and the two broken ends have rejoined to form a ring shape resulting in a range of symptoms determined by the size and location of the genetic deletion....more »
    2260. Chromosome 4, Monosomy 4q
     A rare chromosomal disorder where a portion of the long arm (q) of chromosome 4 is missing resulting in various abnormalities....more »
    2261. Chromosome 5, trisomy 5q
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 5 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    2262. Chromosome 5q duplication syndrome
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 5 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    2263. Chromosome 6, monosomy 6q
     A rare chromosomal disorder where a part of the long arm (q)