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Symptom Checker » Petechiae » Rapid heart beat
 

Petechiae and Rapid heart beat
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Results: Causes of Petechiae AND Rapid heart beat

Results: 1037 causes of Petechiae OR Rapid heart beat

    1. 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 »
    2. ATRUS syndrome
     A rare syndrome characterized by fusion of the forearm bones near the elbow and a blood disorder....more »
    3. Acarophobia
     An exaggerated or irrational fear of mites, ticks, small insects and worms....more »
    4. Achluophobia
     An exaggerated or irrational fear of the night or darkness....more »
    5. 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 »
    6. Acousticophobia
     An exaggerated or irrational fear of noise....more »
    7. 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 »
    8. Acrocephaly -- pulmonary stenosis -- mental retardation
     A rare syndrome characterized by a pointy skull, narrowed pulmonary valve and mental retardation....more »
    9. Acrodynia
     Symptoms caused by chronic mercury poisoning in infants in children....more »
    10. Acute Appendicitis
     Infection of the appendix...more »
    11. Acute Cholecystitis
     Acute inflammation of the gall bladder, usually due to obstruction by a gall stone...more »
    12. Acute Pancreatitis
     Sudden severe inflammation of the pancreas causing digestive complaints....more »
    13. 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 »
    14. Acute biphenotypic leukemia
     A rare form of leukemia that has myeloid and lymphoid features....more »
    15. 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 »
    16. 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 »
    17. 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 »
    18. 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 »
    19. 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 »
    20. 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 »
    21. 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 »
    22. Acute mountain sickness
     A condition that occurs when an un-acclimatized person climbs to high altitudes....more »
    23. 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 »
    24. Acute stress disorder
     An acute anxiety state...more »
    25. 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 »
    26. 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 »
    27. 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 »
    28. 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 »
    29. Adrenal crisis
     A condition which is characterized by insufficient amounts of the adrenocortical hormones that results in vomiting, nausea, hypotension and electrolyte abnormalities...more »
    30. 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 »
    31. 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 »
    32. Adrenal insufficiency
     Where there is insufficient secretion of hormones secreted from the adrenal glands...more »
    33. 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 »
    34. Adult Panic-Anxiety Syndrome
     A psychiatric disorder involving anxiety and panic attacks that occur for no obvious reason....more »
    35. Adult respiratory distress syndrome
     Severe respiratory failure...more »
    36. Aelurophobia
     An exaggerated or irrational fear of cats....more »
    37. Aerophobia
     An exaggerated or irrational fear of fresh air, breezes and flying....more »
    38. 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 »
    39. 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 »
    40. Aichmophobia
     An exaggerated or irrational fear of pointy objects or needles....more »
    41. Albuterol -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Albuterol 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 »
    42. Alcohol Withdrawal
     Symptoms that occur when alcohol consumption is discontinued or reduced. Symptoms may vary depending on the level of dependence....more »
    43. Alcohol abuse
     Excessive use of alcohol ranging from binge drinking to severe alcoholism...more »
    44. Aldehyde syndrome
     A metabolic anomaly where consumption of alcohol results in high levels of blood acetaldehyde which causes a variety of symptoms....more »
    45. Alektorophobia
     An exaggerated or irrational fear of chickens....more »
    46. Algophobia
     An exaggerated or irrational fear of pain...more »
    47. 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 »
    48. Amathophobia
     An exaggerated or irrational fear of dust....more »
    49. Amaxophobia
     An exaggerated or irrational fear of riding in a vehicle or being in one....more »
    50. Amiodarone -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Amiodarone 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 »
    51. Amitriptyline toxicity
     The toxic reaction of the body to the substance, possibly via allergic reaction or overdose....more »
    52. Amoxapine toxicity
     The toxic reaction of the body to the substance, possibly via allergic reaction or overdose....more »
    53. Amphetamine -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Amphetamine 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 »
    54. Amphetamine abuse
     Use of the stimulant drugs known as amphetamines or "speed"...more »
    55. Amphetamine poisoning
     Excessive ingestion of amphetamine drugs....more »
    56. Amychophobia
     An exaggerated or irrational fear of being scratched or clawed....more »
    57. Anaesthesia complications
     Complications that occur due to anaesthesia...more »
    58. Anaphylaxis
     A rare, potentially life-threatening allergic reaction....more »
    59. 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 »
    60. Androphobia
     An exaggerated or irrational fear of men...more »
    61. Anemia
     Reduced ability of blood to carry oxygen from various possible causes....more »
    62. 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 »
    63. 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 »
    64. 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 »
    65. 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 »
    66. 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 »
    67. 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 »
    68. 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 »
    69. 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 »
    70. 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 »
    71. Anginophobia
     An exaggerated or irrational fear of angina, choking or narrowness of the throat....more »
    72. Anglophobia
     An exaggerated or irrational fear of England or the English....more »
    73. Anisocytosis
     Variation in red blood cell size, commonly seen in anaemia...more »
    74. Ankylophobia
     An exaggerated or irrational fear of stiff or immobile joints....more »
    75. Anorexia Nervosa
     A disorder where a distorted sense of body image leads to self-starvation to the point of death in some cases....more »
    76. Anoxemia
     Lack of oxygen in the blood...more »
    77. Anthophobia
     An exaggerated or irrational fear of flowers....more »
    78. Anthropophobia
     An exaggerated or irrational fear of people and groups of people....more »
    79. Anticholinergics poisoning
     Excessive ingestion of anticholinergic drugs....more »
    80. 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 »
    81. Antlophobia
     An exaggerated or irrational fear of floods....more »
    82. Anxiety
     A feeling of apprehension, and fear without apparent stimulus that is associated sometime with somatic responses...more »
    83. Anxiety conditions
     Medical conditions related to anxiety, fear, and panic....more »
    84. Anxiety-tension syndrome
     Anxiety associated with physical symptoms such as tense muscles and fatigue....more »
    85. 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 »
    86. 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 »
    87. 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 »
    88. Aortic stenosis
     A condition which affects the aortic valve of the heart resulting in stenosis of the valve....more »
    89. Apeirophobia
     An exaggerated or irrational fear of infinity....more »
    90. Apiophobia
     An exaggerated or irrational fear of bees....more »
    91. Appian-Plutarch syndrome
     Symptoms caused by excessive doses of a drug called atropine....more »
    92. Arachibutyrophobia
     An exaggerated or irrational fear of peanut butter sticking to the roof of the mouth....more »
    93. Arachnephobia
     An exaggerated or irrational fear of spiders....more »
    94. Arachnidism
     Poisoning from a spider bite....more »
    95. 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 »
    96. Aristolochic Acid poisoning
     Aristolochic acid is derived from a forest herb from the Aristocholochia family. It is often used in herbal preparations such as Aristolochia Fang Ch, Bragantia and Asarum. It is usually used in herbal preparations to promote weight loss. The substance is...more »
    97. 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 »
    98. Arrhythmias
     Irregularity in the heart's beating rhythm....more »
    99. Asphyxia
     Inability to breath and suffocation...more »
    100. Asthenophobia
     An exaggerated or irrational fear of weakness or fainting....more »
    101. Asthma
     Repeated attacks of breathing difficulty....more »
    102. Asthma in Adults
    103. Asthma in Children
    104. Asthma-like conditions
     Medical conditions similar to asthma, or having similar symptoms....more »
    105. Astraphobia
     An exaggerated or irrational fear of lightning and thunder....more »
    106. Astrophobia
     An exaggerated or irrational fear of stars and celestial space....more »
    107. 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 »
    108. 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 »
    109. 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 »
    110. 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 »
    111. Atelophobia
     An exaggerated or irrational fear of imperfection....more »
    112. Atephobia
     An exaggerated or irrational fear of ruin....more »
    113. Atrial Fibrillation
     Common heart arrythmia with rapid beating in upper chambers...more »
    114. 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 »
    115. 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 »
    116. 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 »
    117. 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 »
    118. 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 »
    119. 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 »
    120. 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 »
    121. 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 »
    122. Atrial flutter
     Heart arrhythmia where atria beat more often than ventricles...more »
    123. 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 »
    124. Atrial tachyarrhythmia with short pr interval
     An inherited heart rhythm abnormality characterized by a short PR interval and atrial tachyarrhythmia....more »
    125. Atropine -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Atropine 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 »
    126. Aulophobia
     An exaggerated or irrational fear of flutes....more »
    127. Aurophobia
     An exaggerated or irrational dislike of gold....more »
    128. Auroraphobia
     An exaggerated or irrational fear of Auroral lights....more »
    129. 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 »
    130. Autoimmune Thrombocytopenia
     Autoimmune disorder causing a lack of blood platelets....more »
    131. Autoimmune Vasculitis
     A inflammation of the blood vessels caused by an autoimmune reaction...more »
    132. Autoimmune thyroid diseases
     Autoimmune diseases of the thyroid gland....more »
    133. Automysophobia
     An exaggerated or irrational fear of being dirty....more »
    134. Autophobia
     An exaggerated or irrational fear of being egotistical or being by oneself....more »
    135. 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 »
    136. 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 »
    137. Bacillophobia
     An exaggerated or irrational fear of missiles....more »
    138. Bacteremia
     A condition where there is the presence of bacteria in the blood...more »
    139. Bacterial digestive infections
     Bacterial infections affecting the gastrointestinal...more »
    140. Bacterial diseases
     Diseases caused by a bacterial infection...more »
    141. Bacterial endocarditis
     Infection and inflammation of the inner layers of the heart, most commonly the valves cause by bacteria....more »
    142. 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 »
    143. Bacterial septicemia
     Sepsis of the bloodstream caused by bacteraemia....more »
    144. Bacteriophobia
     An exaggerated or irrational fear of bacteria....more »
    145. Balance disorders
     Various disorders impairing the body's sense of balance....more »
    146. Baneberry poisoning
     Baneberries are toxic and can cause a skin reaction on contact or various poisoning symptoms....more »
    147. Barophobia
     An exaggerated or irrational fear of gravity....more »
    148. Bathmophobia
     An exaggerated or irrational fear of walking....more »
    149. Bathophobia
     An exaggerated or irrational fear of depths. This can include a fear of lakes or long hallways....more »
    150. Batophobia
     An exaggerated or irrational fear of passing high buildings....more »
    151. Batrachophobia
     An exaggerated or irrational fear of frogs or toads....more »
    152. Belonephobia
     An exaggerated or irrational fear of pins and needles....more »
    153. Benazepril Hydrochloride -- Teratogenic Agent
     Experimental studies on rats indicate that the use of Benazepril Hydrochloride 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 tha...more »
    154. Benzodiazepine abuse
     Abuse of benzodiazepine tranquiliser medications...more »
    155. 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 »
    156. 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 »
    157. 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 »
    158. 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 »
    159. Beta-Adrenergic poisoning
     Excessive ingestion of Beta-Adrenergic drugs....more »
    160. Bibliophobia
     An exaggerated or irrational fear of books....more »
    161. Birth Injury
     An injury to the mother caused by childbirth...more »
    162. 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 »
    163. 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 »
    164. 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 »
    165. Blue and bloated syndrome
     Heart and breathing problems that occur in obese patients that can cause reduced blood oxygenation especially while sleeping....more »
    166. Body packer syndrome
     Consuming packages of drugs for the purpose of concealing them for transportation....more »
    167. Boerhaave syndrome
     A rare spontaneous rupture of the esophagus which can occur during violent vomiting or retching....more »
    168. Bogyphobia
     An exaggerated or irrational fear of demons and goblins....more »
    169. 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 »
    170. Bone-Marrow failure syndromes
     A disorder where the bone marrow fails to produce enough new blood cells....more »
    171. 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 »
    172. Bonnier's syndrome
     A range of symptoms caused by damage to Dieter's nucleus (the lateral nucleus of the vestibular nerve) or its connections....more »
    173. Bowel Obstruction
     Blockage in the bowel of the digestive tract....more »
    174. 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 »
    175. 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 »
    176. Bromidrosiphobia
     An exaggerated or irrational fear of having unpleasant body odor....more »
    177. 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 »
    178. 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 »
    179. Bunyavirus
     Virus of the family bunyaviridae....more »
    180. 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 »
    181. 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 »
    182. 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 »
    183. 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 »
    184. 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 »
    185. 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 »
    186. 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 »
    187. COPD
     Severe obstruction of bronchial air flow typically from bronchitis and/or emphysema....more »
    188. Caffeine -- Teratogenic Agent
     There is strong evidence to indicate that exposure to caffeine 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 »
    189. Caffeine poisoning
     Excessive ingestion of caffeine....more »
    190. Cainophobia
     An exaggerated or irrational fear of novelty....more »
    191. Cancer
     Abnormal overgrowth of body cells....more »
    192. Cancerophobia
     An exaggerated or irrational fear of cancer....more »
    193. Cancerphobia
     An exaggerated or irrational fear of cancer....more »
    194. Carbamate insecticide poisoning
     Excessive ingestion of carbamate insecticide drugs....more »
    195. Carcinoid crisis
     Carcinoid crisis can occur spontaneously or as a response to stress, such as anesthesia or chemotherapy....more »
    196. 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 »
    197. Carcinomatophobia
     An exaggerated or irrational fear of cancer....more »
    198. Carcinomophobia
     An exaggerated or irrational fear of cancer....more »
    199. Carcinophobia
     An exaggerated or irrational fear of cancer....more »
    200. 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 »
    201. 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 »
    202. 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 »
    203. 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 »
    204. 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 »
    205. Cardiophobia
     An exaggerated or irrational fear of heart disease....more »
    206. 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 »
    207. Cathisophobia
     An exaggerated or irrational fear of sitting down....more »
    208. Catoptrophobia
     An exaggerated or irrational fear of mirrors....more »
    209. Celtophobia
     An exaggerated or irrational fear of Celts....more »
    210. Cenophobia
     An exaggerated or irrational fear of a void or open spaces....more »
    211. 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 »
    212. Ceraunophobia
     An exaggerated or irrational fear of thunder and lightning....more »
    213. Chaetophobia
     An exaggerated or irrational fear of hair....more »
    214. Chaotic atrial tachycardia
     Abnormal irregular, rapid heart beat that originates in the atrial heart chamber of the heart and occurs in infants and young children. The heart has periods of normal rhythm between the periods of irregularity. The condition occurs in infants and young c...more »
    215. Cheimatophobia
     An exaggerated or irrational fear of cold....more »
    216. Chemical pneumonia
     Lung inflammation from inhaled chemicals...more »
    217. Chemical poisoning
     Morbid condition caused by chemical....more »
    218. 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 »
    219. 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 »
    220. 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 »
    221. 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 »
    222. 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 »
    223. 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 »
    224. 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 »
    225. 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 »
    226. 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 »
    227. 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 »
    228. 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 »
    229. 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 »
    230. 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 »
    231. 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 »
    232. 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 »
    233. Chemical poisoning -- Carbinoxamine
     Carbinoxamine is a therapeutic treatment for allergic rhinitis. It is marketed under names such as Histex, Pediatiex and Carboxine. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies dependin...more »
    234. 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 »
    235. 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 »
    236. 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 »
    237. 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 »
    238. 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 »
    239. 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 »
    240. 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 »
    241. 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 »
    242. 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 »
    243. 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 »
    244. 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 »
    245. 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 »
    246. 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 »
    247. 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 »
    248. 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 »
    249. 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 »
    250. 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 »
    251. 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 »
    252. 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 »
    253. 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 »
    254. 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 »
    255. 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 »
    256. 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 »
    257. 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 »
    258. 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 »
    259. 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 »
    260. 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 »
    261. 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 »
    262. 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 »
    263. 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 »
    264. 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 »
    265. 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 »
    266. 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 »
    267. 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 »
    268. 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 »
    269. 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 »
    270. 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 »
    271. 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 »
    272. 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 »
    273. 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 »
    274. 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 »
    275. 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 »
    276. 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 »
    277. 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 »
    278. 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 »
    279. 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 »
    280. 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 »
    281. 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 »
    282. 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 »
    283. 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 »
    284. Chemical poisoning -- Tetramethylenedisulfotetramine
     Tetramethylenedisulfotetramine is a chemical used mainly as a rodenticide in China. 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 »
    285. 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 »
    286. 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 »
    287. Cherophobia
     An exaggerated or irrational fear of gaiety....more »
    288. Chicken soup poisoning
     The consumption of excessive amounts of chicken soup can result in serious symptoms due to very high salt levels in the body. Children and the elderly are more likely to be affected by the high salt levels of chicken soup however the condition is rarely s...more »
    289. Child abuse
     Physical, sexual, emotional abuse or neglect of child....more »
    290. Chinophobia
     An exaggerated or irrational fear of snow....more »
    291. 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 »
    292. Cholerophobia
     An exaggerated or irrational fear of cholera....more »
    293. Chrematophobia
     An exaggerated or irrational fear of wealth....more »
    294. Chrometophobia
     An exaggerated or irrational fear of money....more »
    295. Chromophobia
     An exaggerated or irrational fear of colors....more »
    296. Chronic Fatigue Syndrome
     Severe chronic fatigue disorder often following infection....more »
    297. Chronic Idiopathic Myelofibrosis
     The bone marrow is consists of tissues which make blood cells and fibrous tissue supports these tissues that make the blood cells. In chronic idiopathic myelofibrosis, abnormal cells and fibres build up inside the bone marrow resulting in the production o...more »
    298. Chronic Myeloproliferative Disorders
     A group of blood cancers where excessive numbers of blood cells are made by overactive or cancerous bone marrow. The number of excess blood cells tends to grow slowly. Examples of such disorders includes chronic myelogenous leukemia, polycythemia vera and...more »
    299. Chronic anemia
     Chronic anemia refers to a low blood cell count that has occurred over a longer period of time rather than suddenly. It is associated with chronic disease processes e.g. kidney disease....more »
    300. Chronic leukemia
     Leukemia in which the cell line is well differentiated, usually B lymphocytes....more »
    301. Chronophobia
     An exaggerated or irrational fear of time. Prisoners often develop a fear of time passing....more »
    302. Cibophobia
     An exaggerated or irrational fear of food....more »
    303. Cimetidine -- Teratogenic Agent
     There is evidence to indicate that exposure to Cimetidine (used as an antihistamine and stomach acid secretion inhibitor) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood ...more »
    304. Cleptophobia
     An exaggerated or irrational fear of thieves or of being robbed by thieves....more »
    305. Clinophobia
     An exaggerated or irrational fear of going to bed....more »
    306. Clomipramine Toxicity
     The toxic reaction of the body to the substance, possibly via allergic reaction or overdose....more »
    307. Clonazepam -- Teratogenic Agent
     There is evidence to indicate that exposure to Clonazepam 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 exposure...more »
    308. Clonidine -- Teratogenic Agent
     There is evidence to indicate that exposure to Clonidine 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 exposure ...more »
    309. Cnidophobia
     An exaggerated or irrational fear of insect stings....more »
    310. Coarctation of aorta dominant
     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 »
    311. Cocaine -- Teratogenic Agent
     There is evidence to indicate that exposure to Cocaine 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 exposure an...more »
    312. Cocaine abuse
     Stimulant drug with various effects...more »
    313. Cocaine overdose
     Cocaine is an illegal and highly addictive recreational drug. Excessive doses of the drug can result in various symptoms and even death in severe cases....more »
    314. Cocaine poisoning
     Excessive ingestion of cocaine....more »
    315. Codeine -- Teratogenic Agent
     There is evidence to indicate that exposure to Codeine (an opiate 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 be affected by the lev...more »
    316. Coitophobia
     An exaggerated or irrational fear of sexual intercourse....more »
    317. Cold Autoimmune Hemolytic Anemia
     Cold autoimmune hemolytic anemia is a condition where the body's immune system triggers the production of antibodies against the body's own red blood cells. The red cells are destroyed at an abnormally rapid rate which leads to anemia. Cold haemolytic ane...more »
    318. Cometophobia
     An exaggerated or irrational fear of comets....more »
    319. Complete atrioventricular canal
     A rare form of congenital heart disease where the there is a hole in the heart wall that separates the upper heart chambers, a hole the heart wall that separates the lower heart chambers and heart valve abnormalities (tricuspid and mitral valves). This re...more »
    320. Condoms and diaphragms induced allergies
     Condoms and diaphragms induced allergies are an adverse reaction by the body's immune system to the latex in condoms and diaphragms....more »
    321. Congenital Antithrombin III Deficiency
     A hereditary condition resulting in a deficiency of antithrombin III which affects blood clotting...more »
    322. Congenital cardiovascular malformations
     The abnormal development of heart blood vessels. Specific examples of this condition includes hypoplastic left heart syndrome, coarctation and tricuspid atresia....more »
    323. Congenital cytomegalovirus
     Fetal infection with cytomegalovirus....more »
    324. Congenital disorder of glycosylation type 1H
     Congenital disorders of glycosylation is a group of very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type Ih is caused by a defect on chromosome 11pter-p1...more »
    325. Congenital hepatic porphyria
     A rare congenital disorder where there is an excess of porphyrin (pigments) in the body. The liver is responsible for making porpyrins....more »
    326. Congenital spherocytic anemia
     Congenital Spherocytic anemia is an inherited blood disorder characterized by red blood cells that are shaped like a sphere (spherocytes) rather than the normal doughnut shape. These abnormal cells are broken down prematurely resulting in a shortage of re...more »
    327. Constrictive pericarditis
     Inflammation, swelling and thickening of the pericardium (fibrous sac surrounding the heart) which causes it to tighten around the heart and affect its function. The condition may be misdiagnosed as a heart attack and vice versa....more »
    328. Constrictive tuberculous pericarditis
     Inflammation and swelling of the pericardium (fibrous sac surrounding the heart) that occurs as a complication of tuberculosis. The condition may be misdiagnosed as a heart attack and vice versa....more »
    329. Copper deficiency-induced Sideroblastic anemia
     Copper deficiency-induced sideroblastic anemia is a blood disorder caused insufficient quantities of copper. The body has sufficient iron levels but is unable to utilise it properly in red blood cells due to the lack of copper. The iron becomes abnormally...more »
    330. Coprophobiaphobia
     An exaggerated or irrational fear of feces or excrement....more »
    331. Cor Triatriatum
     A rare congenital malformation where the heart has three atria instead of the normal two due to the presence of a separating membrane....more »
    332. Coulrophobia
     An exaggerated or abnormal fear of clowns. Children are most often affected but teenagers and adults can occasionally be affected as well....more »
    333. Crack addiction
     An uncontrollable desire to use crack on a regular basis. Chronic crack use can lead to dependency in as little as two weeks. Crack is a form of cocaine - powdered cocaine is heated with ammonia or sodium bicarbonate to make rocks of crack. Frequent use l...more »
    334. Cremnophobia
     An exaggerated or irrational fear of precipices....more »
    335. Cryophobia
     An exaggerated or irrational fear of extreme cold, frost or ice....more »
    336. Crystal meth addiction
     An uncontrollable desire to use crystal meth on a regular basis. Crystal meth is a powerful stimulant used illegally for its effects. It is highly addictive and known by street names such as ice, speed, glass, crank and chalk. Frequent use leads to an inc...more »
    337. Crystallophobia
     An exaggerated or irrational fear of glass or crystals....more »
    338. Cyanide poisoning
     Excessive ingestion of cyanide....more »
    339. Cyclic antidepressant poisoning
     Excessive ingestion of cyclic antidepressant drugs....more »
    340. Cycloserine-induced Sideroblastic anemia
     Cycloserine -induced sideroblastic anemia is a blood disorder caused by taking a drug called Cycloserine. The body has sufficient iron levels but is unable to utilise it properly in red blood cells. The iron becomes abnormally deposited in red blood cells...more »
    341. Cymophobia
     An exaggerated or irrational fear of waves....more »
    342. Cynophobia
     An exaggerated or irrational fear of dogs....more »
    343. Cypridophobia
     An exaggerated or irrational fear of venereal disease....more »
    344. DIC
     DIC s a syndrome triggered by a number of medical conditions including malignancy, infection and liver disease, and results in consumption of clotting factors in the blood....more »
    345. Deafness -- thyroid hormone resistance
     An inherited disorder where the body fails to respond to thyroid hormone even though there is sufficient quantities of the hormone....more »
    346. Deafness mesenteric diverticula of small bowel neuropathy
     A rare genetic condition characterized by deafness, gastrointestinal abnormalities and neuropathy....more »
    347. Death, Sudden, Cardiac
     A term used to describe sudden, unexpected death due to the loss of heart function. The failure of the heart may be preceded by various symptoms or may occur without any warning. Sudden heart death may be caused by a variety of conditions such as drug abu...more »
    348. Decreased mean cell haemoglobin
    349. Decreased mean cell haemoglobin concentration
    350. Decreased mean cell volume
    351. Decreased oxygen saturation
    352. Dehydration
     Loss of fluids in the body...more »
    353. Deipnophobia
     An exaggerated or irrational fear of dining and dinner conversation....more »
    354. Demonophobia
     An exaggerated or irrational fear of demons or spirits....more »
    355. Demophobia
     An exaggerated or irrational fear of crowds....more »
    356. Dengue fever
     An acute viral disease characterized by fever, rash and myalgia and caused by a flavivirus which is transmitted by mosquitoes....more »
    357. Dermatomyositis
     A muscle disease characterized by chronic muscle inflammation resulting in progressive muscle weakness and a characteristic rash....more »
    358. Dermatophobia
     An exaggerated or irrational fear of skin disease....more »
    359. Desipramine toxicity
     The toxic reaction of the body to the substance, possibly via allergic reaction or overdose....more »
    360. Dextroamphetamine -- Teratogenic Agent
     There is evidence to indicate that exposure to Dextroamphetamine 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 »
    361. Dextrophobia
     An exaggerated or irrational fear of objects on the right side of the body....more »
    362. Diabetes Insipidus, Neurogenic
     A disturbed water balance due to a deficiency of vasopressin (antidiuretic) hormone which causes excessive thirst and urination. Causes include autoimmune disease, malignancy, trauma, infection and blood vessel disease....more »
    363. Diabetic Ketoacidosis
     Life-threatening complication of high blood sugars and diabetes....more »
    364. Diabetic hypoglycemia
     Low blood sugar attack from insulin or diabetes medications...more »
    365. Diaphragmatic hernia, congenital
     A birth defect involving an abnormal opening in the diaphragm which is a structure that assists breathing and keeps the abdominal organs from moving into the chest. The abdominal organs can protrude through this abnormal opening and restrict the growth of...more »
    366. Digoxin -- Teratogenic Agent
     There is evidence to indicate that exposure to Digoxin (a heart 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 be affected by the level...more »
    367. Dikephobia
     An exaggerated or irrational fear of justice....more »
    368. Dilaudid withdrawal
     Symptoms that occur when Dilaudid use is discontinued or reduced. Dilaudid is a pain-killing drug. Symptoms may vary depending on the level of dependence. Symptoms are usually peak during the second day and last about a week....more »
    369. Diltiazem -- Teratogenic Agent
     There is evidence to indicate that exposure to Diltiazem 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 exposure ...more »
    370. Dimenhydrinate -- Teratogenic Agent
     There is evidence to indicate that exposure to Dimenhydrinate (an anti-nausea 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 be affecte...more »
    371. Dimorphic anemia
     Dimorphic refers to anemia that has two different causes acting together e.g. iron deficiency as well as a Vitamin B12 deficiency....more »
    372. Dinophobia
     An exaggerated or irrational fear of whirlpools....more »
    373. Diphenoxylate -- Teratogenic Agent
     There is evidence to indicate that exposure to Diphenoxylate (an antidiarrhea 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 be affecte...more »
    374. Diphtheria
     Infectious bacterial respiratory disease...more »
    375. Diplopiaphobia
     An exaggerated or irrational fear of double vision....more »
    376. Dipsophobia
     An exaggerated or irrational fear of drinking....more »
    377. Discontinuation syndrome
     Symptoms that can occur when a person suddenly stops taking their high blood pressure medication....more »
    378. Dobriner syndrome
     An inherited metabolic disorder involving a deficiency of coproporphyrinogen oxidase. The condition is similar to but milder than intermittent porphyria and sometimes includes photosensitivity....more »
    379. Domatophobia
     An exaggerated or irrational fear of being inside a house....more »
    380. Doraphobia
     An exaggerated or irrational fear of contact with animal fur or skin....more »
    381. Double outlet right ventricle
     A very rare birth defect where the aorta and the pulmonary artery both exit from the right ventricle and thus blood is unable to be pumped to the lungs. However, a hole connects the two ventricles and ultimately allows some blood flow to the lungs. The se...more »
    382. Doxepin toxicity
     The toxic reaction of the body to the substance, possibly via allergic reaction or overdose....more »
    383. Doxepine-induced Immune Hemolytic Anemia
     Doxepine -induced immune hemolytic anemia is a condition where use of a medication called Methyldopa triggers the body's immune system to destroy it's own red blood cells which results in anemia....more »
    384. Dramamine -- Teratogenic Agent
     There is evidence to indicate that exposure to Dramamine (an anti-nausea 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 be affected by ...more »
    385. Drug Allergies
     Allergies to medications or other drugs....more »
    386. Drug-induced Immune Hemolytic Anemia
     Drug-induced immune hemolytic anemia is a condition where a medication triggers the body's immune system to destroy its own red blood cells which results in anemia. Certain drugs are more likely to trigger this abnormal immune response than others e.g. ce...more »
    387. Drug-induced Sideroblastic anemia
     Drug-induced sideroblastic anemia is a blood disorder caused by drugs such as cycloserine, isoniazid and ethanol. The body has sufficient iron levels but is unable to utilise it properly in red blood cells. The iron becomes abnormally deposited in red blo...more »
    388. Dysautonomia
     Disorder of the autonomic nervous system...more »
    389. Dysmorphophobia
     An exaggerated or irrational fear of deformity. It usually relates to deformities in other people....more »
    390. Ecclesiophobia
     An exaggerated or irrational fear of church....more »
    391. Ecophobia
     An exaggerated or irrational fear of home surroundings....more »
    392. Ecstasy abuse
     Use of the illicit drug called ecstasy...more »
    393. Ecstasy addiction
     An uncontrollable desire to use ecstasy on a regular basis. Chronic ecstasy use can lead to dependency in as little as two weeks. Ecstasy is a synthetic psychoactive drug often used as a recreational drug. Street names for the drug includes: XTC, Adam, Cl...more »
    394. Eisoptrophobia
     An exaggerated or irrational fear of mirrors....more »
    395. Electrophobia
     An exaggerated or irrational fear of electricity or receiving an electric shock....more »
    396. Eleutherophobia
     An exaggerated or irrational fear of freedom....more »
    397. Emetophobia
     An exaggerated or irrational fear of vomiting....more »
    398. Emotional disorders
     A disorder of emotions...more »
    399. Endocardial fibroelastosis
     A rare heart disorder characterized by a thickening of the heart muscle lining causing heart enlargement and heart failure....more »
    400. Endocarditis
     Inflammation of the inner lining of the heart...more »
    401. Enetophobia
     An exaggerated or irrational fear of pins or needles....more »
    402. Entomophobia
     An exaggerated or irrational fear of insects....more »
    403. Eosophobia
     An exaggerated or irrational fear of the dawn....more »
    404. Ephedrine -- Teratogenic Agent
     There is evidence to indicate that exposure to Ephedrine 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 exposure ...more »
    405. Epiglotitis
     Inflamation of the epiglottis in the throat...more »
    406. Ergasiophobia
     An exaggerated or irrational fear of or aversion to work. The word is sometimes used to describe a surgeon's fear of operating....more »
    407. Ergophobia
     An exaggerated or irrational fear of work....more »
    408. Ergotamine -- Teratogenic Agent
     There is evidence to indicate that exposure to Ergotamine 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 exposure...more »
    409. Erotophobia
     An exaggerated or irrational fear of sexual feelings. The condition is characterized by feelings of guilt and fear about sex. Sufferers dislkike talking about sex, are less likely to engage in sexual relations and have a very negative view of sexually exp...more »
    410. Erythrophobia
     An exaggerated or irrational fear of blushing....more »
    411. Ethanol -- Teratogenic Agent
     There is evidence to indicate that exposure to Ethanol 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 exposure an...more »
    412. Ethanol-induced Sideroblastic anemia
     Ethanol-induced sideroblastic anemia is a blood disorder caused by consuming ethanol. The body has sufficient iron levels but is unable to utilise it properly in red blood cells. The iron becomes abnormally deposited in red blood cells which make them una...more »
    413. Ethylmalonic aciduria
     A very rare inherited disorder characterized by neurological and vascular symptoms caused by an excessive buildup of ethylmalonic aciduria....more »
    414. Etoposide -- Teratogenic Agent
     There is evidence to indicate that exposure to Etoposide (a chemotherapy 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 be affected by ...more »
    415. Eucalyptus Oil poisoning
     Eucalyptus oil can be used for medicinal purposes but excessive ingestion can cause problems. Likewise, eating the leaves of the eucalyptus plant (very unlikely) can also cause poisoning symptoms....more »
    416. Eugenol oil poisoning
     Eugenol oil is used as a supplement or as a therapeutic ingredient in various medications and foods but excessive doses of undiluted oil can cause symptoms. Smoking undiluted cloves in cigarettes can also cause symptoms. The type and severity of symptoms ...more »
    417. Euphophobia
     An exaggerated or irrational fear of good news....more »
    418. Evan's syndrome
     A rare condition where circulating antibodies red blood cells and a low level of blood platelets causing low iron levels and reduced blood clotting ability....more »
    419. Excessive dieting
     Excessive limitation of food intake can lead to problems and effects such as dizziness, depression, intestinal problems, edema and impaired growth....more »
    420. Familial atrial fibrillation
     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....more »
    421. Familial hypertrophic cardiomyopathy 1
     An inherited condition characterized by increased thickness of the wall of the heart ventricle which affects the hearts function. Type 1 is caused by a defect on chromosome 14q12....more »
    422. Familial hypertrophic cardiomyopathy 10
     An inherited condition characterized by increased thickness of the wall of the heart ventricle which affects the hearts function. Type 10 is caused by a defect in the MYL2 gene on chromosome 12q23-q24....more »
    423. Familial hypertrophic cardiomyopathy 2
     An inherited condition characterized by increased thickness of the wall of the heart ventricle which affects the hearts function. Type 2 is caused by a defect in the troponin-T2 gene on chromosome 1q....more »
    424. Familial hypertrophic cardiomyopathy 3
     An inherited condition characterized by increased thickness of the wall of the heart ventricle which affects the hearts function. Type 3 is caused by a defect in the alpha-tropomyosin gene on chromosome 15q22.1....more »
    425. Familial hypertrophic cardiomyopathy 4
     An inherited condition characterized by increased thickness of the wall of the heart ventricle which affects the hearts function. Type 4 is caused by a defect in the cardiac myosin binding protein-C gene on chromosome 11p11.2....more »
    426. Familial hypertrophic cardiomyopathy 5
    427. Familial hypertrophic cardiomyopathy 6
     An inherited condition characterized by increased thickness of the wall of the heart ventricle which affects the hearts function. Type 6 is caused by a defect on chromosome 7q31-qter....more »
    428. Familial hypertrophic cardiomyopathy 7
     An inherited condition characterized by increased thickness of the wall of the heart ventricle which affects the hearts function. Type 7 is caused by a defect in the TNNI3 gene on chromosome 19q13.4....more »
    429. Familial hypertrophic cardiomyopathy 8
     An inherited condition characterized by increased thickness of the wall of the heart ventricle which affects the hearts function. Type 8 is caused by a defect in the MYL3 gene on chromosome 3p....more »
    430. Familial hypertrophic cardiomyopathy 9
     An inherited condition characterized by increased thickness of the wall of the heart ventricle which affects the hearts function. Type 9 is caused by a defect in the TTN gene on chromosome 2q24.3....more »
    431. Familial ventricular tachycardia
     Rapid heart beat originating in the ventricles and tends to run in families....more »
    432. Febriphobia
     An exaggerated or irrational fear of fever....more »
    433. Fetal and neonatal alloimmune thrombocytopenia
     A rare, potentially life-threatening disorder where the mother's blood platelets are incompatible with that of the fetus and the mother's antibodies cross the placenta and destroy fetal platelets....more »
    434. Fever
     Elevation of the body temperature above the normal 37 degrees celsius...more »
    435. Filefish poisoning (Palytoxin)
     Palytoxin is a marine toxin found in some filefish from the Philippines and Singapore region. The toxin is extremely potent and death is common in patients who ingest contaminated filefish....more »
    436. Fire Ant bite
     The fire ant is found mainly in South America and parts of North America but is also found in other countries such as Australia. The fire ant is red and can deliver a venomous bite. Fire ant venom can elicit and allergic reaction or even anaphylaxis in su...more »
    437. Flurazepam -- Teratogenic Agent
     There is evidence to indicate that exposure to Flurazepam 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 exposure...more »
    438. Folate-deficiency anemia
     Folate-deficiency anemia is a blood condition characterized by low levels of folate in the body which leads to a reduction in the number of red blood cells. It is usually the result of a poor diet, malabsorption issues or the use of certain medications....more »
    439. Food Allergy -- peanuts
     A peanut allergy is an adverse reaction by the body's immune system to peanuts or food containing peanuts. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine in response to contact with the allergen. The specific symptoms...more »
    440. Frigophobia
     An exaggerated or irrational fear of cold....more »
    441. Funnel Web spider poisoning
     The funnel web spider is a poisonous spider found mainly in Australia and America. The venom is toxic to the nervous system. There are two phases of poisoning - the first phase starts soon after envenomation and may result in death in severe cases. The se...more »
    442. Gametophobia
     An exaggerated or irrational fear of marriage....more »
    443. Gamophobia
     An exaggerated or irrational fear of marriage....more »
    444. Gardner-Diamond syndrome
     A rare inherited disorder characterized by bruises which form readily, tend to spread and are painful. Some cases are believed to have a psychological basis....more »
    445. Gardner-Morrisson-Abbot syndrome
     A rare syndrome characterized by thrombocytopenia and various other abnormalities present at birth....more »
    446. Gaucher disease -- perinatal lethal form
     A rare syndrome characterized by the association of abnormally tight skin and Gaucher disease which is a lipid storage disease. This is the most severe form of Gaucher disease....more »
    447. General somatic pain
     General somatic pain is a typical sensory experience that may be described as the unpleasant awareness of a noxious stimulus or bodily harm....more »
    448. Generalized anxiety disorder
     Excessive anxiety and worrying....more »
    449. Generalized pustular psoriasis
     This is a rare form of psoriasis is also known as von Zumbusch psoriasis. It can be life-threatening especially in the elderly. It is characterized by the development of pustules in the flexural areas - the backs of the knees, the insides of the elbows, t...more »
    450. Generalized resistance to thyroid hormone
     An inherited disorder where the body fails to respond to thyroid hormone even though there is sufficient quantities of the hormone....more »
    451. Geniophobia
     An exaggerated or irrational fear of chins....more »
    452. Genophobia
     An exaggerated or irrational fear of sex....more »
    453. Genuphobia
     An exaggerated or irrational fear of knees....more »
    454. Gephyrophobia
     An exaggerated or irrational fear of crossing a bridge....more »
    455. Gerascophobia
     An exaggerated or irrational fear of growing old....more »
    456. Geumophobia
     An exaggerated or irrational fear of tastes or flavors....more »
    457. Gila Lizard poisoning
     Gila lizards are one of the few venomous species of lizard. They are found in parts of America such as Arizona, California, Nevada and Mexico. Envenomation by lizards is very uncommon but these venomous lizards can cause life-threatening symptoms. Gila li...more »
    458. Glenard syndrome
     The downward displacement of internal organs....more »
    459. Glossophobia
     An exaggerated or irrational fear of speaking in public or speech anxiety....more »
    460. Glucose-6-Phosphate Dehydrogenase Deficiency
     A rare enzyme abnormality involving a deficiency of the glucose-6-phosphate dehydrogenase which causes premature destruction of red blood cells. The excessive destruction of red blood cells can be triggered by certain infections or drugs or by eating fava...more »
    461. Golden Chain tree poisoning
     The Golden Chain tree is a relatively small tree which produces bright yellow flowers. The plant contains a chemical called cytisine which can cause similar effects to nicotine if ingested and can be serious if patients have underlying health problems. Al...more »
    462. Grand mal epilepsy
     A condition characterize by sudden loss of consciousness with tonic-clonic seizures...more »
    463. Grand mal seizures
     Whole body seizures (convulsions/fits)...more »
    464. Graphophobia
     An exaggerated or irrational dislike of writing....more »
    465. Graves Disease
     is an autoimmune disease characterized by hyperthyroidism due to circulating autoantibodies. Thyroid-stimulating immunoglobulins (TSIs) bind to and activate thyrotropin receptors, causing the thyroid gland to grow and the thyroid follicles to increase syn...more »
    466. Groll-Hirschowitz syndrome
     A rare genetic condition characterized by deafness, gastrointestinal abnormalities and neuropathy....more »
    467. Gynephobia
     An exaggerated or irrational fear or hatred of women....more »
    468. Gynophobia
     An exaggerated or irrational fear or hatred of women....more »
    469. Hadeophobia
     An exaggerated or irrational fear of hell....more »
    470. Hagiophobia
     An exaggerated or irrational fear or dislike of saints and holy things....more »
    471. Hamaphobia
     An exaggerated or irrational fear of the sight of blood....more »
    472. Hamartophobia
     An exaggerated or irrational fear of error or sin....more »
    473. Handgrips induced allergies
     Handgrips induced allergies are an adverse reaction by the body's immune system to the latex in handgrips. Symptoms usually involve the hands....more »
    474. Hantavirosis
     Infection by hantavirus which is a virus from the family Bunyaviridae. Infection generally causes severe febrile illness which can involve bleeding, shock and even death in some cases. The disease is transmitted by infected rodents....more »
    475. Haphophobia
     An exaggerated or irrational fear of touch....more »
    476. Haptophobia
     An exaggerated or irrational fear of touch....more »
    477. Harpaxophobia
     An exaggerated or irrational fear of robbers....more »
    478. Hawaiian Baby Woodrose poisoning
     The Hawaiian Baby Woodrose is a woody vine that grows in tropical climates such as in Hawaii, India, Florida and California. The plant bears rose-colored flowers and black seeds. The seeds contain ergoline alkaloids which can produce effects similar to LS...more »
    479. Heart attack
     Serious and often fatal acute heart condition...more »
    480. Heart cancer
     A malignancy that is located in the heart...more »
    481. Heart conditions
     Any condition that affects the heart...more »
    482. Heart disease
     Any of various heart conditions....more »
    483. Heart failure
     Slow failure of the heart (cardiac insufficiency)....more »
    484. Heart injury
     An injury to the heart...more »
    485. Heatstroke
     Heat exhaustion and collapse from heat exposure...more »
    486. Hedonophobia
     An exaggerated or irrational fear of pleasure....more »
    487. Heliophobia
     An exaggerated or irrational fear of sunlight or increased sensitivity to sunlight....more »
    488. Helminthophobia
     An exaggerated or irrational fear of being infested with worms....more »
    489. Hematophobia
     An exaggerated or irrational fear of the sight of blood....more »
    490. Hemolytic anemia
     Hemolytic anemia is a term used to describe the premature desctruction of red blood cells. Red blood cells are normally broken down every 3-4 months and replaced but in haemolytic anemia the red blood cells are broken down at a faster rate than they can b...more »
    491. Hemorragic fever with renal syndrome
     A group of infectious diseases that involve bleeding, fever and kidney problems. Examples of viruses that can cause such infectious diseases include Hantan virus, Puumala virus and Seoul virus. Examples of diseases caused by viruses in this group includes...more »
    492. Hemorrhage
     Bleeding of any type (especially when referring to severe bleeding)...more »
    493. Hepatorenal tyrosinemia
     A rare genetic metabolic disorder characterized by a deficiency of particular enzymes which prevents the breakdown of tyrosine which then builds up in the liver. Type 1 involves a deficiency of the enzyme fumaril acetoacetate hydrolase....more »
    494. Herbal Agent adverse reaction -- Ginseng
     Ginseng can be used as a herbal agent, usually in the form of a tea, to help combat stress. Some people may develop an adverse reaction to Ginseng....more »
    495. Herbal Agent adverse reaction -- Maté
     Maté can be used as a herbal agent to treat water retention, purify the blood and as a stimulant. The herbal agent contains various chemicals which can cause an adverse reaction in some people....more »
    496. Herbal Agent adverse reaction -- Sassafras Oil
     Sassafras Oil can be used as a herbal agent to treat skin irritation such as insect bites. The herbal agent contains a chemical called safrole which can cause harmful effects if ingested ....more »
    497. Herbal Agent overdose -- Betel Nut
     Betel Nut is used as a herbal agent used alleviate pain and improve mood problems. The betel nut contains chemicals such as (arecoline on raw nut, arecaidine - after roasting)and the ingestion of excessive amounts of these can result in symptoms. Chronic ...more »
    498. Herbal Agent overdose -- Ginseng
     Ginseng can be used as a herbal agent, usually in the form of a tea, to help combat stress. Excessive doses of ginseng can cause overdose symptoms - 3 to 15 g per day for a number of years can cause overdose symptoms....more »
    499. Herbal Agent overdose -- Lobelia
     Lobelia can be used as a herbal agent to treat respiratory congestion, muscle spasms and to assist in quitting smoking. The herbal agent contains a certain chemicals which can imitate the effects of nicotine but which can cause various symptoms if excessi...more »
    500. Herbal Agent overdose -- Nutmeg
     Nutmeg can be used as a herbal agent to treat delayed menstruation. The herbal agent can cause various overdose symptoms if excessive quantities are taken....more »
    501. Herbal Agent overdose -- St John's Wort
     St John's Wort can be used to treat depression, stress, insomnia, anxiety and as a topical treatment for vitiligo and wounds. The herbal agent contains a chemical called xanthone which can cause symptoms if excessive doses are taken....more »
    502. Hereditary amyloidosis
     An inherited form of amyloidosis which is characterized by a build up of the protein amyloid in tissues and organs. This form of amyloidosis tends to affect mainly the nervous system and gastrointestinal tract. Symptoms are determined by the size and loca...more »
    503. Herpetophobia
     An exaggerated or irrational fear of reptiles....more »
    504. Herring poisoning (clupeotoxin)
     Some herrings 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 »
    505. Heterophobia
     An exaggerated or irrational fear or aversion to heterosexuals....more »
    506. Hexakosioihexekontahexaphobia
     An exaggerated or irrational fear of the number 666....more »
    507. Hierophobia
     An exaggerated or irrational fear of sacred objects or priests....more »
    508. High T4 syndrome
     A disorder involving transient increases in thyroxine levels for no apparent reason....more »
    509. Hip cancer
     The presence of tumour growth in the bone of the hip, 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; cancer affecting bone of hip likely ...more »
    510. Hippophobia
     An exaggerated or irrational fear of horses....more »
    511. Hippopotomonstrosesquippedaliophobia
     An exaggerated or irrational fear of long words....more »
    512. His bundle tachycardia
     A rare severe type of abnormal heart rhythm that occurs in infants less than 6 months old. Untreated, the condition can lead to heart disease and even death....more »
    513. Hodophobia
     An exaggerated or irrational fear of travel....more »
    514. Homichlophobia
     An exaggerated or irrational fear of fog....more »
    515. Homilophobia
     An exaggerated or irrational hatred of sermons....more »
    516. Homophobia
     An exaggerated or irrational fear of homosexuality which is affection between people of the same sex....more »
    517. Hydrophophobia
     An exaggerated or irrational fear of rabies....more »
    518. Hygrophobia
     An exaggerated or irrational fear of liquids, particularly wine and water....more »
    519. Hylephobia
     An exaggerated or irrational fear of forests or wood....more »
    520. Hypengyophobia
     An exaggerated or irrational fear of responsibility....more »
    521. Hyperadrenalism
     Excessive levels of adrenal hormones in the body. Symptoms depend on which hormone is involved and the degree of involvement. Adrenal hormones are aldosterone, corticosteroids, androgenic steroids, epinephrine and norepinephrine....more »
    522. Hyperchromic Anemia
     Hyperchromic anemia is a blood disorder characterized by red blood cells which contain abnormally high amounts of haemoglobin as well as a reduced number of red blood cells. This anomaly is often caused by such things as Vitamin B12 deficiency and pernici...more »
    523. Hyperemesis Gravidarum
     Rare condition of excessive vomiting during pregnancy...more »
    524. Hyperinsulinism due to glucokinase deficiency
     An inherited condition characterized by high insulin levels due to deficiency of glucokinase. The lack of glucokinase prevents the pancreas from detecting low blood sugar so insulin continues to be secreted which keeps the blood sugar level low. Severe sy...more »
    525. Hyperinsulinism due to glutamodehydrogenase deficiency
     An inherited condition characterized by high insulin and ammonia levels in the blood due to an enzyme deficiency (glutamate dehydrogenase). Episodes of low blood sugar can be triggered by fasting for too long or eating a protein meal. Severe symptoms such...more »
    526. Hyperinsulinism in children, congenital
     A rare inherited condition characterized by high insulin levels which cause low blood sugar. Severe symptoms such as seizures and coma can result if sugar levels drop too low....more »
    527. Hyperosmolar hyperglycemic nonketotic syndrome
     A form of diabetic coma seen in type 2 diabetes mellitus...more »
    528. Hyperosmolarity
    529. Hypertension
     High blood pressure...more »
    530. Hyperthyroidism -- Teratogenic Agent
     There is strong evidence to indicate that the development of hyperthyroidism 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 th...more »
    531. Hyperventilation
     Excessively rapid breathing causing blood gas imbalances...more »
    532. Hypnophobia
     An exaggerated or irrational fear of sleep or being hypnotized....more »
    533. Hypoglycemia
     Low blood sugar level...more »
    534. Hypoglycemic attack
     Sudden onset of low blood sugar levels...more »
    535. Hypokalemia
     Low levels of potassium in the body....more »
    536. Hypokalemic periodic paralysis
     A rare inherited muscle condition characterized by periods of severe muscle weakness or paralysis which can last from hours to days. Episodes can occur as often as daily or only rarely....more »
    537. Hypotension
     Blood pressure that is too low...more »
    538. Hypovolemia
     An abnormal decrease in volume of blood....more »
    539. Iatrophobia
     An exaggerated or irrational fear of going to the doctor....more »
    540. Ichthyophobia
     An exaggerated or irrational fear of fish....more »
    541. Idiopathic pulmonary hypertension
     A rare condition where sclerosis of the pulmonary arteries cause cyanosis, polycythemia and heart failure....more »
    542. Ignophobia
     An exaggerated or irrational fear of not knowing....more »
    543. Imipramine toxicity
     The toxic reaction of the body to the substance, possibly via allergic reaction or overdose....more »
    544. Immune thrombocytopenia
     A rare disorder where the body's immune system attacks blood platelets which affect the blood's ability to clot....more »
    545. Inborn amino acid metabolism disorder
     A group of inherited disorders where the body is not able to metabolize amino acids consumed in the diet. Amino acids are a part of carbohydrates, fats and proteins and are metabolized in order to provide energy or to make other needed compounds. There ar...more »
    546. Incessant infant ventricular tachycardia
     An abnormally rapid infant heart beat that originates from the heart ventricles....more »
    547. Infant botulism food poisoning
     Very dangerous food poisoning needing medical attention....more »
    548. Infectious myocarditis
     Inflammation of the muscle of the heart (myocardium) due to an infection. It often occurs as a complication of various bacterial, viral or parasitic infections such as rubella, polio and rheumatic fever....more »
    549. Infective endocarditis
     The infection and inflammation of the inner heart layers, especially the valves. The infection is usually bacterial. The condition carries a high risk of death....more »
    550. Inhalant abuse
     Inhalant 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. Inhalants include gasoline, adhesives, solve...more »
    551. Inherited spherocytic anemia
     Inherited Spherocytic anemia is an inherited blood disorder characterized by red blood cells that are shaped like a sphere (spherocytes) rather than the normal doughnut shape. These abnormal cells are broken down prematurely resulting in a shortage of red...more »
    552. Injury
     Any damage inflicted in the body...more »
    553. Insect allergy
     An allergic response to a wasp sting....more »
    554. Insect bite allergy
     An insect bite allergy is an adverse reaction by the body's immune system to a bite by an insect such as an ant. Multiple bites increase the risk of a severe reaction or death. The specific symptoms that can result can vary amongst patients....more »
    555. Iophobia
     An exaggerated or irrational fear of poisons....more »
    556. Ipratropium -- Teratogenic Agent
     There is evidence to indicate that exposure to Ipratropium 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 exposur...more »
    557. Iron deficiency
     When there is a deficiency of iron in the body...more »
    558. Iron deficiency anemia
     Iron-deficiency anemia is a blood condition characterized by low levels of iron in the body which leads to a reduction in the number of red blood cells....more »
    559. Isoniazid-induced Sideroblastic anemia
     Drug-induced sideroblastic anemia is a blood disorder caused by taking a drug called isoniazid. The body has sufficient iron levels but is unable to utilise it properly in red blood cells. The iron becomes abnormally deposited in red blood cells which mak...more »
    560. Isopterophobia
     An exaggerated or irrational fear of termites....more »
    561. Isthmus 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 »
    562. Jimsonweed poisoning
     The Jimsonweed is a herb that bears single large white or lavender flowers and seeds surrounded by a spiny shell. The plant contains tropane alkaloids (mainly the seeds and leaves) which can cause symptoms if eaten in large quantities....more »
    563. Judeophobia
     An exaggerated or irrational fear of Jews....more »
    564. Juniper tar poisoning
     Tar from the Juniper plant is sometimes used to treat skin conditions such as eczema and psoriasis. Ingestion of the substance can cause poisoning symptoms....more »
    565. Kakorrhaphiophobia
     An exaggerated or irrational fear of failure or defeat....more »
    566. Katagelophobia
     An exaggerated or irrational fear of being ridiculed or disliked....more »
    567. Kidney conditions
     Any condition affecting the kidney organs....more »
    568. Kinetophobia
     An exaggerated or irrational fear or dislike of movement or motion ....more »
    569. King Cobra poisoning
     The King Cobra is a large venomous snake usually found in southeast Asia and India. Most bites from this snake results in envenomation due to the ferocity of their bite. The poison primarily affects the neuromuscular system but can also affect blood clott...more »
    570. Kleptophobia
     An exaggerated or irrational fear of thieves or having things stolen by thieves....more »
    571. Klonopin -- Teratogenic Agent
     There is evidence to indicate that exposure to Klonopin 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 exposure a...more »
    572. Knoiophobia
     An exaggerated or irrational fear of dust....more »
    573. Kopophobia
     An exaggerated or irrational fear of fatigue or exhaustion....more »
    574. Kynophobia
     An exaggerated or irrational fear of rabies....more »
    575. LSD addiction
     LSD addiction is the uncontrollable craving for LSD (lysergic acid diethylamide) which is a hallucinogenic drug which is derived from a type of fungus. Although the drug is not technically classified as addictive as it doesn't cause drug-seeking behaviour...more »
    576. Lachanophobia
     An exaggerated or irrational fear of vegetables....more »
    577. Lactic Acidosis
     Acidic blood (acidosis) due to buildup of lactate...more »
    578. Laliophobia
     An exaggerated or irrational fear of talking....more »
    579. Latex allergies
     When a person has an allergic reaction to latex...more »
    580. Latex catheters induced allergies
     Latex catheters induced allergies are an adverse reaction by the body's immune system to the latex in catheters. Symptoms may vary depending on the location of the catheter....more »
    581. Left ventricle-aorta tunnel
     An abnormal opening that connects the left ventricle and the ascending aorta...more »
    582. Lepraphobia
     An exaggerated or irrational fear of leprosy....more »
    583. Leukemia, Lymphocytic, Acute, L1
     Acute lymphocytic leukemia is a 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 leuk...more »
    584. Leukemia, Lymphocytic, Acute, L2
     Acute lymphocytic leukemia is a 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 leuk...more »
    585. Leukemia, Lymphocytic, Acute, L3
     Acute lymphocytic leukemia is a relatively aggressive 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 a...more »
    586. Leukemia, Monocytic, Acute
     A cancer of the blood-forming tissues of the bone marrow involving the proliferation of a type of infection-fighting white blood cell called a monocyte. Acute leukemia involves a more rapid proliferation of cancer cells compared to chronic forms of leukem...more »
    587. Leukemia, Myeloid, Philadelphia-Negative
     Acute lymphocytic leukemia is a relatively aggressive 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 a...more »
    588. Leukemia, Myeloid, Philadelphia-Positive
     A relatively aggressive cancer of the cells that produce white blood cells. The Philadelphia form of myeloid leukemia carries a relatively poor prognosis. It involves an acquired genetic mutation which results in the production tyrosine kinase which cause...more »
    589. Leukocyte Adhesion Deficiency, Type III
     A rare inherited disorder characterized by abnormal neutrophil functioning which reduces the body's immunity as well as bleeding problems due to platelet adhesive problems. The abnormal neutrophils are unable to be transported to sites of infection due to...more »
    590. Levophobia
     An exaggerated or irrational fear of objects on the left side of the body....more »
    591. Limnophobia
     An exaggerated or irrational fear of lakes....more »
    592. Linonophobia
     An exaggerated or irrational fear of string....more »
    593. Liver conditions
     Any condition that affects the liver...more »
    594. Lizard poisoning
     A few lizard species are venomous e.g. Gila monster and Mexican beaded lizard. Envenomation by lizards is very uncommon but these venomous lizards can cause life-threatening symptoms. Gila lizards tend to hold on with their jaws while biting and the longe...more »
    595. Loeffler's endocarditis
     Heart muscle disease caused by infiltration of the heart by eosinophils (type of white blood cell). It occurs as a complication long-term, high eosinophilic levels in the peripheral blood....more »
    596. Logophobia
     An exaggerated or irrational fear or dislike of words....more »
    597. Long QT syndrome, familial
     A familial heart condition which is characterized by prolongation of the QT interval of the heart rhythm. Exercise or excitement can exacerbate symptoms....more »
    598. Lunaphobia
     An exaggerated or irrational fear of the moon....more »
    599. Lymphoblastic lymphoma
     A cancer of the lymph system which usually involves immature T-lymphocytes and sometimes B-lymphocytes. The cancer usually affects the mediastinum (between the lungs), bone marrow, brain and spinal cord....more »
    600. Lymphomatous thyroiditis
     Progressive thyroid gland enlargement due to autoimmune disease....more »
    601. Lyssophobia
     An exaggerated or irrational fear of becoming insane....more »
    602. Machupo virus
     A virus which is the cause of a form of hemorrhagic fever occurring in Bolivia...more »
    603. Macrocytic Hyperchromic Anemia
     Macrocytic Hyperchromic anemia is a blood disorder characterized by abnormally large red blood cells which contain abnormally high amounts of haemoglobin. There is also a reduced number of red blood cells. This anomaly can be associated with such things a...more »
    604. Malignant Buotonneuse fever
     A serious complication of Buotonneuse fever that tends to occur mainly in patients who are old or have other conditions such as heart disease....more »
    605. Malignant hyperthermia susceptibility type 1
     A rare, potential lethal disorder that is triggered by general anesthetic or certain muscle relaxant drugs. On exposure to the drugs, muscle metabolism is severely disrupted and the body is unable to control its temperature which can lead to death without...more »
    606. Malignant hyperthermia susceptibility type 2
     A rare, potential lethal disorder that is triggered by general anesthetic or certain muscle relaxant drugs. On exposure to the drugs, muscle metabolism is severely disrupted and the body is unable to control its temperature which can lead to death without...more »
    607. Malignant hyperthermia susceptibility type 3
     A rare, potential lethal disorder that is triggered by general anesthetic or certain muscle relaxant drugs. On exposure to the drugs, muscle metabolism is severely disrupted and the body is unable to control its temperature which can lead to death without...more »
    608. Malignant hyperthermia susceptibility type 4
     A rare, potential lethal disorder that is triggered by general anesthetic or certain muscle relaxant drugs. On exposure to the drugs, muscle metabolism is severely disrupted and the body is unable to control its temperature which can lead to death without...more »
    609. Malignant hyperthermia susceptibility type 5
     A rare, potential lethal disorder that is triggered by general anesthetic or certain muscle relaxant drugs. On exposure to the drugs, muscle metabolism is severely disrupted and the body is unable to control its temperature which can lead to death without...more »
    610. Malignant hyperthermia susceptibility type 6
     A rare, potential lethal disorder that is triggered by general anesthetic or certain muscle relaxant drugs. On exposure to the drugs, muscle metabolism is severely disrupted and the body is unable to control its temperature which can lead to death without...more »
    611. Mallory-Weiss syndrome
     A laceration of the lining of the gastroesophageal junction or just above it - often caused by severe vomiting....more »
    612. Marijuana Smoking
     Smoking the leaves of a plant drug called cannabis....more »
    613. Marijuana abuse
     Illicit depressant/hallucinogenic drug...more »
    614. Marijuana addiction
     Marijuana addiction is the uncontrollable desire to use marijuana on a regular basis. Frequent use leads to an increased tolerance to the drug so higher and higher doses are required to achieve the desired euphoric feeling....more »
    615. Marijuana overdose
     Marijuana is a relatively common recreational drug sometimes used to manage pain or stress disorders. Very large amounts have to be smoked or eaten in order to result in overdose symptoms and death is extremely unlikely. The symptoms of excessive doses ar...more »
    616. Marine turtle poisoning
     Marine turtles are found and eaten in the rivers and coastal waters of Southeast Asia. It is believed that sometimes these turtles become poisonous when the eat toxic algae which occur at certain times of the year. Symptoms vary in nature and severity amo...more »
    617. Marine turtle poisoning -- Green Sea Turtle
     Green Sea turtles are found and eaten in the rivers and coastal waters of Southeast Asia. It is believed that sometimes these turtles become poisonous when the eat toxic algae which occur at certain times of the year. Symptoms vary in nature and severity ...more »
    618. Marine turtle poisoning -- Hawksbill Turtle
     Hawksbill turtles are found and eaten in the rivers and coastal waters of Southeast Asia. It is believed that sometimes these turtles become poisonous when the eat toxic algae which occur at certain times of the year. Symptoms vary in nature and severity ...more »
    619. Marine turtle poisoning -- Leatherback Turtle
     Leatherback turtles are found and eaten in the rivers and coastal waters of Southeast Asia. It is believed that sometimes these turtles become poisonous when the eat toxic algae which occur at certain times of the year. Symptoms vary in nature and severit...more »
    620. Marine turtle poisoning -- Loggerhead Turtle
     Loggerhead turtles are found and eaten in the rivers and coastal waters of Southeast Asia. It is believed that sometimes these turtles become poisonous when the eat toxic algae which occur at certain times of the year. Symptoms vary in nature and severity...more »
    621. Marine turtle poisoning -- Soft-shelled Turtle
     Soft-shelled turtles are found and eaten in the rivers and coastal waters of Southeast Asia. It is believed that sometimes these turtles become poisonous when the eat toxic algae which occur at certain times of the year. Symptoms vary in nature and severi...more »
    622. Mastocytosis
     A disorder where excessive amounts of mast cells proliferate in organs such as the skin, liver, bone, spleen and gastrointestinal tract. Mast cells occur in connective tissue and defend the body against disease by releasing histamine to stimulate the immu...more »
    623. Mayapple poisoning
     The Mayapple is a small flowering plant which is often found growing naturally. It bears small single flowers and apple-like fruit which turns yellow when ripe. The unripe fruit and leaves contain a chemical called podophyllin which can cause poisoning if...more »
    624. Mc Leod neuroacanthocytosis syndrome
     A rare syndrome characterized by neuromuscular, blood and central nervous system symptoms. The disease is slowly progressive....more »
    625. Mechanophobia
     An exaggerated or irrational fear or dislike of machinery....more »
    626. Mediastinitis
     Inflammation of the area between the lungs called the mediastinum which contains the heart, thymus gland, windpipe, esophagus and large blood vessels. The condition may occur suddenly (acute) or slowly over a period of time (chronic). It is often a compli...more »
    627. Megalocytic-Normochromic anemia
     Megalocytic-Normochromic is a blood disorder characterized by normal amounts of haemoglobin within abnormally large red blood cells. However, the number of red blood cells is low....more »
    628. Mendelson syndrome
     Symptoms caused by breathing in gastric juices stomach contents during general anesthesia. Severe cases can lead to shock and death but this is rare. The condition is believed to be caused by the absence of laryngeal reflexes. It is most often seen in pre...more »
    629. Meningococcal infection
     A rare infectious disease caused by a bacterium called Neisseria meningitides....more »
    630. Meperidine -- Teratogenic Agent
     There is evidence to indicate that exposure to Meperidine 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 exposure...more »
    631. Mercury poisoning -- Folk Remedies
     Various folk remedies and medicines contain inorganic mercury and mercury salts. They can lead to mercury poisoning and severe cases can result in death. Children tend to be more sensitive to the effects of mercury poisoning than adults. Even low levels o...more »
    632. Mercury poisoning -- consumption of contaminated fish
     Eating fish contaminated with mercury can lead to mercury poisoning in humans. The severity and range of symptoms experienced can vary greatly depending on the level and duration of exposure. Severe poisoning can lead to death. Pregnant women who eat merc...more »
    633. Merinthophobia
     An exaggerated or irrational fear of being bound....more »
    634. Metallophobia
     An exaggerated or irrational fear of metals....more »
    635. Meteorophobia
     An exaggerated or irrational fear of meteors or meteorites....more »
    636. Methamphetamine -- Teratogenic Agent
     There is evidence to indicate that exposure to Methamphetamine 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 »
    637. Methimazole -- Teratogenic Agent
     There is evidence to indicate that exposure to Methimazole 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 exposur...more »
    638. Methotrexate -- Teratogenic Agent
     There is evidence to indicate that exposure to Methotrexate 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 exposu...more »
    639. Methyldopa-induced Immune Hemolytic Anemia
     Methyldopa-induced immune hemolytic anemia is a condition where use of a medication called Methyldopa triggers the body's immune system to destroy it's own red blood cells which results in anemia....more »
    640. Mexican Beaded Lizard poisoning
     Gila lizards are one of the few venomous species of lizard. They are found in parts of America such as Arizona, California, Nevada and Mexico. Envenomation by lizards is very uncommon but these venomous lizards can cause life-threatening symptoms. Gila li...more »
    641. Mexican tea poisoning
     Mexican tea is plant that bears elongated clusters of small green flowers and small greenish fruit which contain seeds which are green when fresh and black when dry. The plant has a strong odor. The oil in the seeds contain chemicals (including terpene pe...more »
    642. Microcytic Anemia
     Microcytic anemia is a blood disorder characterized by small red blood cells (erythrocytes). The red blood cells are small due to a failure of haemoglobin synthesis or insufficient quantities of haemoglobin available. The blood disorder is usually caused ...more »
    643. Microcytic Hyperchromic Anemia
     Microcytic Hyperchromic anemia is a blood disorder characterized by abnormally small red blood cells which contain abnormally high amounts of haemoglobin. There is also a reduced number of red blood cells. This anomaly can be associated with such things a...more »
    644. Microcytic hypochromic anemia
     Microcytic anemia is a blood disorder characterized by small red blood cells (erythrocytes) which have insufficient haemoglobin and hence have a reduced ability to carry oxygen through the body. The red blood cells are small due to a failure of haemoglobi...more »
    645. Microcytic-Normochromic anemia
     Microcytic-Normochromic anemia is a blood disorder characterized by normal amounts of haemoglobin within small red blood cells. However the number of red blood cells is low....more »
    646. Microphobia
     An exaggerated or irrational fear of microorganisms....more »
    647. Misanthropy
     An exaggerated or irrational hatred of mankind. Sufferers have a great distrust of human nature and tend to dislike or distrust other people....more »
    648. Misogynism
     An exaggerated or irrational fear or dislike of females....more »
    649. Misogyny
     An exaggerated or irrational fear or dislike of women....more »
    650. Misophobia
     An exaggerated or irrational fear of dirt or being contaminated by dirt or germs....more »
    651. Misosophy
     An exaggerated or irrational fear of wisdom....more »
    652. Mitral-valve prolapse
     A common heart condition that is often harmless....more »
    653. Moccasin snake poisoning
     The Moccasin snake is a poisonous snake found mainly in America and Asia. Moccasin snakes include the copperhead, cottonmouth and the Siberian, Central Asian and Malayan pit vipers. They are considered less venomous than rattlesnakes The snake venom conta...more »
    654. Mohave Rattle snake poisoning
     The Mohave rattle snake is a poisonous snake found mainly in Mexico and south-western areas of the US. The type of venom in Mohave snakes varies amongst species. Those with Type A venom tend to affect the nervous system whereas those with Type B venom pri...more »
    655. Molysomophobia
     An exaggerated or irrational fear of infection....more »
    656. Monopathophobia
     An exaggerated or irrational fear of sickness....more »
    657. Monophobia
     An exaggerated or irrational fear of being alone. Sufferers may also fear being away from a particular place or person who makes them feel safe. An underlying anxiety disorder is generally involved....more »
    658. Morning Glory poisoning
     The morning glory is a flowering vine with heart-shaped leaves that originates from tropical areas of America. The seeds contain chemicals (indole alkaloids, LSD) which can cause symptoms if eaten. The seeds are considered to have a low level of toxicity....more »
    659. Morphine withdrawal
     Symptoms that occur when Morphine use is discontinued or reduced. Morphine is a pain-killing drug. Symptoms may vary depending on the level of dependence. Symptoms are usually the most severe between 36 and 72 hours after withdrawal and symptoms tend to a...more »
    660. Multiple endocrine neoplasia
     A group of conditions that is characterised by the hyperplasia and hyperfunction of two or more glands of the endocrine system...more »
    661. Multiple endocrine neoplasia type 1
     Rare inherited disease causing tumors in multiple glands...more »
    662. Multiple endocrine neoplasia type 2
     Rare inherited disease causing tumors in multiple glands...more »
    663. Multiple endocrine neoplasia type 3
     Rare inherited disease causing tumors in multiple glands...more »
    664. Multiple system atrophy (MSA) with orthostatic hypotension
     A progressive neurological disorder involving the central and autonomic nervous system....more »
    665. Muscular dystrophy, Duchenne and Becker type
     An inherited l disorder characterized by progressive muscle weakness. The disorder is caused by a genetic anomaly and results in insufficient quantities of or ineffective dystrophin which is needed for normal muscle functioning. The disorder is expressed ...more »
    666. Musculoskeletal chronic fatigue syndrome
     Musculoskeletal 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 diagnos...more »
    667. Musicophobia
     An exaggerated or irrational fear or dislike of music....more »
    668. Musophobia
     An exaggerated or irrational fear of mice and rats....more »
    669. Myelodysplastic syndromes
     A group of syndromes characterized by a disruption in the production of blood cells. Often the bone marrow increases production of various blood cells but because many of them are defective, they are destroyed before the reach the blood stream....more »
    670. Myelodysplastic/myeloproliferative disease
     A rare group of blood and bone marrow diseases which contains features of myelodysplastic and myeloproliferative disease. Myelodysplastic disease is when the immature blood cells do not develop into normal functioning mature cells. Myeloproliferative dise...more »
    671. Myocarditis
     Inflammation of the myocardium (muscle walls of the heart)...more »
    672. Mythophobia
     An exaggerated or irrational fear of making false or incorrect statements....more »
    673. Myxophobia
     An exaggerated or irrational fear or dislike of slime....more »
    674. Necrophobia
     An exaggerated or irrational fear of death or corpses....more »
    675. Negrophobia
     An exaggerated or irrational fear of African Americans....more »
    676. Neophobia
     An exaggerated or irrational fear of new things....more »
    677. Nephophobia
     An exaggerated or irrational fear of clouds....more »
    678. Neuroleptic Malignant Syndrome
     A severe, potentially fatal reaction to antipsychotic drugs....more »
    679. Nicotine addiction
     Nicotine addiction is the uncontrollable desire to continue smoking. Smoking products contain nicotine which is a chemical that can lead to addiction if used over a period of time. Cessation causes withdrawal symptoms which can vary in nature and severity...more »
    680. Nipah virus encephalitis
     Inflammation of the brain caused by the Nipah virus which can infect pigs and humans so transmission usually occurs through contact with pigs....more »
    681. Noctiphobia
     An exaggerated or irrational fear of the night....more »
    682. Non cardiogenic pulmonary oedema
     Non cardiogenic pulmonary oedemais caused by changes in permeability of the pulmonary capillary membrane due to a direct or an indirect pathologic insult....more »
    683. Non-Food Allergy -- Africanized honeybee
     An Africanized honeybee allergy is an adverse reaction by the body's immune system to an Africanized honeybee sting. Multiple stings increase the risk of a severe reaction or death. The body's immune system produces immunoglobulin E (IgE - an antibody) an...more »
    684. Non-Food Allergy -- Ant
     An ant bite allergy is an adverse reaction by the body's immune system to an ant bite. Multiple bites increase the risk of a severe reaction or death. Certain ants pose more of an allergy risk than others e.g. red fire ant. The specific symptoms that can ...more »
    685. Non-Food Allergy -- Black fire ant
     A black fire ant bite allergy is an adverse reaction by the body's immune system to a black fire ant bite. Multiple bites increase the risk of a severe reaction or death. The specific symptoms that can result can vary amongst patients....more »
    686. Non-Food Allergy -- Bumblebee
     A Bumblebee allergy is an adverse reaction by the body's immune system to a Bumblebee sting. Multiple stings increase the risk of a severe reaction or death. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine in response ...more »
    687. Non-Food Allergy -- Hornet
     A hornet allergy is an adverse reaction by the body's immune system to a hornet sting. Multiple stings increase the risk of a severe reaction or death. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine in response to con...more »
    688. Non-Food Allergy -- Red fire ant
     A red fire ant bite allergy is an adverse reaction by the body's immune system to a red fire ant bite. Multiple bites increase the risk of a severe reaction or death. The specific symptoms that can result can vary amongst patients....more »
    689. Non-Food Allergy -- Tropical fire ant
     A tropical fire ant bite allergy is an adverse reaction by the body's immune system to a tropical fire ant bite. Multiple bites increase the risk of a severe reaction or death. The specific symptoms that can result can vary amongst patients....more »
    690. Non-Food Allergy -- Yellow jacket Wasp
     A yellow jacket allergy is an adverse reaction by the body's immune system to a yellow jacket wasp sting. Multiple stings increase the risk of a severe reaction or death. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine...more »
    691. Non-Food Allergy -- honey bee
     A honey bee allergy is an adverse reaction by the body's immune system to a honey bee sting. Multiple stings increase the risk of a severe reaction or death. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine in response ...more »
    692. Non-Food Allergy -- scorpion
     A scorpion allergy is an adverse reaction by the body's immune system to a scorpion sting. Multiple stings increase the risk of a severe reaction or death. The specific symptoms that can result can vary amongst patients....more »
    693. Non-Food Allergy -- wasp
     A wasp allergy is an adverse reaction by the body's immune system to a wasp sting. Multiple stings increase the risk of a severe reaction or death. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine in response to contact...more »
    694. Non-hereditary spherocytic anemia
     Non-inherited spherocytic anemia is an acquired blood disorder characterized by red blood cells that are shaped like a sphere (spherocytes) rather than the normal doughnut shape. These abnormal cells are broken down prematurely resulting in a shortage of ...more »
    695. Normochromic anemia
     Normochromic anemia is a blood disorder characterized by normal amounts of haemoglobin within red blood cells but low numbers of red blood cells....more »
    696. Normocytic anemia
     Normocytic anemia is a blood disorder characterized by red blood cells which are of a normal size but present in insufficient quantities. It is often associated with chronic diseases, blood loss, bone marrow problems and kidney disease. It can also be the...more »
    697. Normocytic-Normochromic anemia
     Megalocytic-Normochromic is a blood disorder characterized by normal amounts of haemoglobin within normal-sized red blood cells. However, the number of red blood cells is low. Conditions such as haemolytic anemia, liver disease and aplastic anemia may be ...more »
    698. Nortriptyline toxicity
     The toxic reaction of the body to the substance, possibly via allergic reaction or overdose....more »
    699. Nosocomial pneumonia
     A form of pneumonia which is contracted in a hospital...more »
    700. Nosophobia
     An exaggerated or irrational fear of contracting a disease....more »
    701. Novo-Clopate -- Teratogenic Agent
     There is evidence to indicate that exposure to Novo-Clopate 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 exposu...more »
    702. Nudophobia
     An exaggerated or irrational fear of nudity....more »
    703. Nutritional Sideroblastic anemia
     Nutritional sideroblastic anemia is a blood disorder caused insufficient quantities of pyridoxine or copper. The body has sufficient iron levels but is unable to utilise it properly in red blood cells due to the lack of pyridoxine or copper. The iron beco...more »
    704. Nutritional anemia
     Nutritional anemia refers to a reduced red blood cell count due to a poor diet which is deficient in iron, folat and/or Vitamin B12....more »
    705. Ochlophobia
     An exaggerated or irrational fear of crowds....more »
    706. Ochophophobia
     An exaggerated or irrational fear of vehicles....more »
    707. Odontophobia
     An exaggerated or irrational fear of teeth. The fear is usually associated with animal's teeth....more »
    708. Oecophobia
     An exaggerated or irrational fear or dislike of home surroundings....more »
    709. Oenophobia
     An exaggerated or irrational dislike or hatred of wine....more »
    710. Oikophobia
     An exaggerated or irrational dislike or fear of home surroundings....more »
    711. Oinophobia
     An exaggerated or irrational dislike or hatred of wine....more »
    712. Olanzapine -- Teratogenic Agent
     There is evidence to indicate that exposure to Olanzapine 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 exposure...more »
    713. Olfactophobia
     An exaggerated or irrational fear or dislike of smells....more »
    714. Ombrophobia
     An exaggerated or irrational fear of rain or being rained on....more »
    715. Ommetaphobia
     An exaggerated or irrational fear of eyes....more »
    716. Onomatophobia
     An exaggerated or irrational fear of a certain name or words due to their supposed importance....more »
    717. Ophibiophobia
     An exaggerated or irrational fear of snakes....more »
    718. Ophidophobia
     An exaggerated or irrational fear of snakes....more »
    719. Organophosphate insecticide poisoning
     Excessive ingestion of organophosphate insecticides. The type and severity of symptoms varies depending on the exact poison ingested and the quantity....more »
    720. Ornithophobia
     An exaggerated or irrational fear of birds....more »
    721. Osmophobia
     An exaggerated or irrational fear of odors....more »
    722. Osphresiophobia
     An exaggerated or irrational fear of odors....more »
    723. Pacifiers induced allergies
     Pacifiers induced allergies are an adverse reaction by the body's immune system to the latex in pacifiers. Symptoms usually involve the mouth....more »
    724. Palpitations
     The subjective sensation of the beating of the heart at a rapid or irregular rate...more »
    725. Palytoxin poisoning
     Palytoxin is a marine toxin found in sea anemones and certain crabs and fish (e.g. triggerfish). The toxin is extremely potent and death is common in patients who ingest contaminated fish....more »
    726. Pancreatitis
     Inflammation of the pancreas causing digestive complaints....more »
    727. Panic attack
     Sudden attack of unreasonable panic or fear without any real danger...more »
    728. Panphobia
     An exaggerated or irrational fear of everything or a generalized state of anxiety or fear not related to any one particular thing....more »
    729. Papaphobia
     An exaggerated or irrational fear of the pope or papacy....more »
    730. Paralipophobia
     An exaggerated or irrational fear of neglecting some duty or responsibility....more »
    731. Paraphobia
     An exaggerated or irrational fear of sexual perversion....more »
    732. Parasitophobia
     An exaggerated or irrational fear of parasites....more »
    733. Paraskavedekatriaphobia
     An exaggerated or irrational fear of Friday the 13th....more »
    734. Parrotfish poisoning (Palytoxin)
     Palytoxin is a marine toxin found in some parrotfish from the Philippines and Singapore region. The toxin is extremely potent and death is common in patients who ingest contaminated parrotfish....more »
    735. Parthenophobia
     An exaggerated or irrational fear of or aversion to young girls....more »
    736. Pathophobia
     An exaggerated or irrational fear of disease....more »
    737. Peccatiphobia
     An exaggerated or irrational fear of sinning....more »
    738. Pediculophobia
     An exaggerated or irrational fear of lice....more »
    739. Pediophobia
     An exaggerated or irrational fear or dislike of children....more »
    740. Peladophobia
     An exaggerated or irrational fear of baldness....more »
    741. Penfield syndrome
     A rare disorder where a tumor pushes against the hypothalamus and causes seizures as well as a variety of other symptoms....more »
    742. Peniaphobia
     An exaggerated or irrational fear of poverty....more »
    743. Penicillin-induced Immune Hemolytic Anemia
     Penicillin-induced immune hemolytic anemia is a condition where use of a medication called Penicillin triggers the body's immune system to destroy it's own red blood cells which results in anemia....more »
    744. Pentazocine -- Teratogenic Agent
     There is evidence to indicate that exposure to Pentazocine 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 exposur...more »
    745. Pentheraphobia
     An exaggerated or irrational fear of mother-in-law....more »
    746. Periorbital Cellulitis
     Bacterial infection of the superficial tissues surrounding the eyes, often following a conjunctivitis or middle ear infection...more »
    747. Peritonitis
     Inflammation of the lining of the abdominal cavity...more »
    748. Pernicious anemia
     Pernicious anemia is a blood disorder where the body is unable to use it properly use Vitamin B12 to make red blood cells....more »
    749. Phagophobia
     An exaggerated or irrational fear of eating....more »
    750. Phalacrophobia
     An exaggerated or irrational fear of becoming bald....more »
    751. Pharmacophobia
     An exaggerated or irrational fear of drugs....more »
    752. Phasmophobia
     An exaggerated or irrational fear of ghosts....more »
    753. Phenogophobia
     An exaggerated or irrational fear of daylight....more »
    754. Phenophobia
     An exaggerated or irrational fear of noise....more »
    755. Phentermine -- Teratogenic Agent
     There is evidence to indicate that exposure to Phentermine 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 exposur...more »
    756. Phenylephrine -- Teratogenic Agent
     There is evidence to indicate that exposure to Phenylephrine 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 expos...more »
    757. Phenylpropanolamine -- Teratogenic Agent
     There is evidence to indicate that exposure to Phenylpropanolamine 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 »
    758. Pheochromocytoma as part of Neurofibromatosis
     A tumor that develops in the part of the adrenal gland called the medulla which produces adrenalin and noradrenaline. This tumor is often associated with a condition called neurofibromatosis. The tumor affects automatic body activities such as regulating ...more »
    759. Philosophobia
     An exaggerated or irrational fear or dislike of philosophers or philosophy....more »
    760. Phobophobia
     An exaggerated or irrational fear of fear....more »
    761. Phonemophobia
     An exaggerated or irrational fear of thinking....more »
    762. Phonophobia
     An exaggerated or irrational fear of noise....more »
    763. Photalgiophobia
     An exaggerated or irrational fear of eye pain caused by light....more »
    764. Photophobia
     An exaggerated or irrational fear of light....more »
    765. Pituitary cancer, childhood
     Cancer (malignant) of the pituitary gland in children. The pituitary gland produces various hormones and some pituitary tumors (functioning tumors) can affect the secretion of one or more of these hormones resulting in a range of symptoms depending on the...more »
    766. Pituitary tumors, adult
     A benign or cancer tumor that develops in the tissue of the pituitary gland in adults. The pituitary gland produces various hormones and some pituitary tumors (functioning tumors) can affect the secretion of one or more of these hormones resulting in a ra...more »
    767. Plant poisoning -- Angel's trumpet (D. suaveolans)
     Ingestion of Angel's trumpet can cause various symptoms which can be severe in some cases....more »
    768. Plant poisoning -- Cytisine
     Cytisine is a chemical found naturally in plants from the Faboideae family e.g. Laburnum, Cytisus, Genista and Sophora. It tends to have an effect similar to nicotine....more »
    769. Plant poisoning -- Indian tobacco (Lobelia inflata)
     Ingestion of parts of the Indian tobacco plant may cause various symptoms and severe cases may result in a coma....more »
    770. Plant poisoning -- Jimsonweed (Datura stramonium)
     Ingestion of Jimsonweed can cause various symptoms which can be severe in some cases....more »
    771. Plant poisoning -- Poison hemlock (Conium maculatum)
     Ingestion of parts of the Poison hemlock plant may cause various symptoms and severe cases may result in a coma....more »
    772. Plant poisoning -- Tannin
     Tannin is a bitter-tasting chemical found in many types of plants. Most plants contain insufficient quantities to cause any real problem. Acorns contain tannins and can cause symptoms if sufficient quantities of untreated nuts are eaten....more »
    773. Plant poisoning -- apple seeds (Malus sylvestris)
     Apple seeds that are chewed to a very fine consistency or crushed first may result in the release of glycosides which can be turned into cyanide by stomach acids. Large quantities are required so the risk of even mild poisoning is very minute....more »
    774. Plant poisoning -- apricot pits (Prunus armeniaca)
     Apricot pits that are chewed to a very fine consistency or crushed first may result in the release of glycosides which can be turned into cyanide by stomach acids. Large quantities are required so the risk of even mild poisoning is very minute....more »
    775. Plant poisoning -- bitter almonds (P. dulcis var. amara)
     Bitter almonds that are chewed to a very fine consistency or crushed first may result in the release of glycosides which can be turned into cyanide by stomach acids. Large quantities are required so the risk of even mild poisoning is very minute....more »
    776. Plant poisoning -- black cherry pits (P. serotina)
     Black cherry pits that are chewed to a very fine consistency or crushed first may result in the release of glycosides which can be turned into cyanide by stomach acids. Large quantities are required so the risk of even mild poisoning is very minute....more »
    777. Plant poisoning -- peach pits (P. persica)
     Peach pits that are chewed to a very fine consistency or crushed first may result in the release of glycosides which can be turned into cyanide by stomach acids. Large quantities are required so the risk of even mild poisoning is very minute....more »
    778. Plant poisoning -- pear seeds (Pyrus communis)
     Pear seeds that are chewed to a very fine consistency or crushed first may result in the release of glycosides which can be turned into cyanide by stomach acids. Large quantities are required so the risk of even mild poisoning is very minute....more »
    779. Plant poisoning -- potato (Solanum tuberosum)
     Ingestion of green potatoes or potato sprouts can cause various symptoms which can be severe in some cases....more »
    780. Plant poisoning -- tobacco (Nicotiana tabacum)
     Ingestion of parts of the tobacco plant may cause various symptoms and severe cases may result in a coma....more »
    781. Pneumatophobia
     An exaggerated or irrational fear of spirits....more »
    782. Pneumonia
     Infection of the lung by bacteria, viruses or fungus....more »
    783. Pneumonia caused by serotype O11 Pseudomonas Aeruginosa
     Inflammation of the lungs and bronchioles caused by an opportunistic pathogen called Pseudomonas Aeruginosa....more »
    784. Pneumonia, Aspiration
     Inflammation of the lungs and bronchioles caused by breathing in liquids and solids (usually the stomach contents)....more »
    785. Pneumonia, Bacterial
     Inflammation of the lungs and bronchioles caused by bacteria....more »
    786. Pneumonia, Staphylococcal
     Inflammation of the lungs and bronchioles caused by the Staphylococcal bacteria. The condition is not common and often occurs as a complication of influenza or other viral respiratory infections. This form of pneumonia is considered serious and up to a th...more »
    787. Pneumothorax
     Air in the pleural spaces around the lungs....more »
    788. Pnigophobia
     An exaggerated or irrational fear of choking or smothering....more »
    789. Pogonophobia
     An exaggerated or irrational fear or dislike of beards....more »
    790. Poikilocytic anemia
     Poikilocytic anemia refers a blood disorder characterized by abnormally shaped red blood cells. The abnormal red blood cells may be destroyed prematurely resulting in anemia. The severity of the anemia and hence the severity of symptoms is variable....more »
    791. Poinephobia
     An exaggerated or irrational fear of punishment....more »
    792. Poisonous snakebite
     A snakebite which is poisonous to humans...more »
    793. Poisonous snakebites
     Multiple snakebites which are poisonous...more »
    794. Politicophobia
     An exaggerated or irrational fear or dislike of politicians....more »
    795. Polydactyly cleft lip palate psychomotor retardation
     A very rare syndrome described in a small inbred group of families and characterized by bifid toes, extra big fingers, cleft lip or palate and psychomotor retardation. There were various other symptoms that were variably present....more »
    796. Polymorphic catecholergic ventricular tachycardia
     A very rare disorder involving an abnormal heart rhythm in an apparently otherwise normal heart. By the second decade of life, half of the sufferers will die....more »
    797. Polyphobia
     An exaggerated or irrational fear of lots of things....more »
    798. Ponophobia
     An exaggerated or irrational fear of fatigue or exhaustion. It primarily relates to fear of fatigue associated with working too hard....more »
    799. Porphyria
     A group of disorders characterized by excess production of porphyrin or its precursors which affects the skin and/or nervous system....more »
    800. Posteriophobia
     An exaggerated or irrational fear of falling behind....more »
    801. Posthemorrhagic anemia
     Posthemorrhagic anemia refers to a reduced number of red blood cells in the body due to bleeding....more »
    802. Postoperative pulmonary embolism
     Pulmonary embolism (lung blood clot) after surgery....more »
    803. Postoperative respiratory failure
     A condition characterised by the inability to use the lungs to perfuse the body with oxygen that occurs following an operation...more »
    804. Postoperative septicaemia
     When a person contracts a bacterial infection in their blood system that occurs after an operation...more »
    805. Postpartum haemorrhage
     The loss of blood by the mother after delivery of her child...more »
    806. Postpartum hemorrhage
     Excessive bleeding after childbirth delivery...more »
    807. Postpartum hyperthyroidism
     Postpartum thyroiditis is a postpartum condition that results in temporary hyperthyroidism (overactive thyroid) or hypothyroidism....more »
    808. Postural orthostatic tachycardia syndrome
     A rare disorder where a persons heart rate increases on standing up. The severity, prognosis and response to treatment is variable....more »
    809. Potamophobia
     An exaggerated or irrational fear of rivers....more »
    810. Potophobia
     An exaggerated or irrational fear of drinks....more »
    811. Pregnancy toxemia /hypertension
     Preeclampsia is the development of high blood pressure, excess protein in the urine and swelling during pregnancy. Hypertension is a serious health condition due to the fact that it often causes no symptoms until it is severe. The blood pressure usually r...more »
    812. Primary Autoimmune Hemolytic Anemia
     Primary autoimmune hemolytic anemia is characterized by an abnormal immune system response. The body's immune system produces antibodies against the body's own red blood cells which leads to the destruction of red blood cells and hence anemia. The seconda...more »
    813. Primary Cold Autoimmune Hemolytic Anemia
     Primary cold autoimmune hemolytic anemia is a condition where the body's immune system triggers the production of antibodies against the body's own red blood cells. The process occurs only when the patient is exposed to temperatures colder the average bod...more »
    814. Promethazine -- Teratogenic Agent
     There is evidence to indicate that exposure to Promethazine 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 exposu...more »
    815. Protozoan Conditions
     Any condition caused by the infection of the human being by a protozoan organism...more »
    816. Protozoan infections
     A condition which is characterized by an infection caused by protozoans...more »
    817. Protriptyline toxicity
     The toxic reaction of the body to the substance, possibly via allergic reaction or overdose....more »
    818. Pseudoephedrine -- Teratogenic Agent
     There is evidence to indicate that exposure to Pseudoephedrine 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 »
    819. Psychophobia
     An exaggerated or irrational fear of the mind....more »
    820. Pteronophobia
     An exaggerated or irrational fear of feathers....more »
    821. Pulmonary artery coming from the aorta
     A rare congenital heart defect which is usually fatal. The pulmonary artery is abnormally placed and comes out of the aorta....more »
    822. Pulmonary branches stenosis
     A very rare disorder where the pulmonary branches are narrower than normal. The severity of symptoms depends on the degree of narrowing....more »
    823. Pulmonary edema
     Severe condition of excess fluid in the lungs....more »
    824. Pulmonary edema of mountaineers
     A severe complication of mountain sickness resulting from a lack of oxygen at high altitudes....more »
    825. Pulmonary embolism
     Blocked lung blood vessel often from a blood clot....more »
    826. Pulmonary heart disease
     Heart disease that is caused by pulmonary conditions...more »
    827. Pulmonary infections related to AIDS
     It usually occurs due to decreased immunity....more »
    828. Pulmonary supravalvular stenosis
     A very rare defect where the pulmonary artery is narrowed above the valve. The severity of symptoms is variable....more »
    829. Pyogenic pericarditis
     The pericardium is the fibrous sac surrounding the heart. Infection can cause the pericardium to become inflamed and swollen and to produce pus. It may result from a ruptured esophagus, heart infection or from surgery involving the heart or chest cavity. ...more »
    830. Pyrexiophobia
     An exaggerated or irrational fear of fever....more »
    831. Pyridoxine deficiency-induced Sideroblastic anemia
     Pyridoxine deficiency-induced sideroblastic anemia is a blood disorder caused insufficient quantities of pyridoxine. The body has sufficient iron levels but is unable to utilise it properly in red blood cells due to the lack of pyridoxine. The iron become...more »
    832. Pyrophobia
     An exaggerated or irrational fear of fire....more »
    833. Quetiapine toxicity
     The toxic reaction of the body to the substance, possibly via allergic reaction or overdose....more »
    834. Quinidine-induced Immune Hemolytic Anemia
     Quinidine-induced immune hemolytic anemia is a condition where use of a medication called Methyldopa triggers the body's immune system to destroy it's own red blood cells which results in anemia....more »
    835. Rabies
     An infectious disease that can affect any mammal including humans and is transmitted through the saliva of an infected animal. The infectious agent is the Neurotropic lyssavirus which affects the salivary gland and also causes neurological symptoms....more »
    836. Ramipril -- Teratogenic Agent
     There is evidence to indicate that exposure to Ramipril 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 exposure a...more »
    837. Ranitidine -- Teratogenic Agent
     There is evidence to indicate that exposure to Ranitidine 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 exposure...more »
    838. Rattle snake poisoning
     The Rattle snake is a poisonous snake found mainly in America. They are distinguished by a characteristic rattle at the tip of their tail....more »
    839. Rebound hypertension
     Rebound hypertension is an increase in blood pressure in response stopping or reducing high blood pressure medication. Severe cases can result in a very large increase in blood pressure which requires prompt treatment to avoid complications such as organ ...more »
    840. Rectophobia
     An exaggerated or irrational fear of the rectum....more »
    841. Relapsing fever
     Tick-borne disease with symptoms that resolve and then relapse...more »
    842. Renon-Delille syndrome
     A rare syndrome characterized by reduced function of the thyroid and ovaries and enlarged hands and feet....more »
    843. Resistance to thyroid stimulating hormone
     A very rare disorder where the body is unable to respond to thyroid stimulating hormone even though it is present in sufficient quantities. The problem lies in defective thyroid stimulating hormone receptors....more »
    844. Respiratory conditions
     Any condition that affects the respiratory system...more »
    845. Respiratory failure
     Failure of the respiratory system...more »
    846. Respiratory infections
     Any infection that occurs to the respiratory system...more »
    847. Respiratory system cancer
     A condition that is characterised by a malignancy anatomically located in the respiratory system...more »
    848. Rhabdophobia
     An exaggerated or irrational fear of being punished severely. The term can also be used to describe a fear of being beaten with a rod of a fear of magic and the paranormal....more »
    849. Rheumatic fever
     An inflammatory disorder that can occur as a complication of untreated streptococcal bacterial infection such as strep throat or scarlet fever. The condition may affect the brain, skin, heart and joints....more »
    850. Rheumatic pericarditis
     Inflammation and swelling of the pericardium (fibrous sac surrounding the heart) that occurs as a complication in people with rheumatism. Rheumatic pericarditis condition may be misdiagnosed as a heart attack and vice versa....more »
    851. Rhypophobia
     An exaggerated or irrational fear of filth....more »
    852. Ritalin overdose
     Ritalin is a prescription drug used to treat ADHD. Excessive doses of the drug can result in various symptoms and even death in severe cases....more »
    853. Russophobia
     An exaggerated or irrational fear of Russians....more »
    854. Sackey-Sakati-Aur syndrome
     A very rare syndrome characterized mainly by a blood disorder and various congenital anomalies such as short stature and a thumb abnormality....more »
    855. Sardine poisoning (clupeotoxin)
     Some sardines 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 »
    856. Scarlet fever
     A complication of infection from strep bacteria such as strep throat....more »
    857. Sciophobia
     An exaggerated or irrational fear of shadows....more »
    858. Scoleciphobia
     An exaggerated or irrational fear of worms....more »
    859. Scopophobia
     An exaggerated or irrational fear of being looked at, stared at or being seen....more »
    860. Scurvy
     Severe disease from vitamin C deficiency...more »
    861. Secondary Autoimmune Hemolytic Anemia
     Secondary autoimmune hemolytic anemia is characterized by an abnormal immune system response. The body's immune system produces antibodies against the body's own red blood cells which leads to the destruction of red blood cells and hence anemia. The secon...more »
    862. Secondary Cold Autoimmune Hemolytic Anemia
     Secondary cold autoimmune hemolytic anemia is a condition where the body's immune system triggers the production of antibodies against the body's own red blood cells. The process occurs only when the patient is exposed to temperatures colder the average b...more »
    863. Secondary pulmonary hypertension
     Secondary pulmonary hypertension refers to high blood pressure in the arteries that carry blood to the lungs. Blood pressure in other parts of the body is normal or sometimes even low. The condition may be caused by such things as lung conditions (e.g. em...more »
    864. Sedative dependence
     The psychological or physical dependence on sedative medication...more »
    865. Selachophobia
     An exaggerated or irrational fear of sharks....more »
    866. Selaphobia
     An exaggerated or irrational fear or dislike of flashes of light....more »
    867. Senile purpura
     Bruising condition mostly in the elderly...more »
    868. Sepsis Syndrome
     A life-threatening condition that results from infection that has spread throughout the body....more »
    869. Septicemia
     A systemic inflammatory response to an infection....more »
    870. Serotonin Syndrome
     The toxic reaction of the body to the substance, possibly via allergic reaction or overdose....more »
    871. Severe anxiety
    872. Severe heart problems
    873. Shock
     Severe condition from reduced blood circulation...more »
    874. Shock, Distributive
     Shock is a life-threatening condition involving insufficient blood flow to the body tissues. Distributive shock occurs when the blood vessels are dilated with affects blood volume and blood pressure within the vessels. Septic, neurogenic and anaphylactic ...more »
    875. Shock, Endocrine
     Shock is a life-threatening condition involving insufficient blood flow to the body tissues. Endocrine shock is caused by a disturbance in the endocrine (hormone producing) system. Some examples include severe cases of hypothyroidism, thyrotoxicosis and s...more »
    876. Shock, Hemorrhagic
     Shock is a life-threatening condition involving insufficient blood flow to the body tissues. Hemorrhagic shock is caused by excessive bleeding which reduces the blood volume....more »
    877. Shock, Hypovolaemic
     Shock is a life-threatening condition involving insufficient blood flow to the body tissues. Hypovolaemic shock is caused by a rapid fluid loss which reduces the blood volume....more »
    878. Shock, Neurogenic
     Shock is a life-threatening condition involving insufficient blood flow to the body tissues. Neurogenic shock is caused problems with the nervous system....more »
    879. Shock, Obstructive
     Shock is a life-threatening condition involving insufficient blood flow to the body tissues. Obstructive shock is caused by obstruction the blood flow. Causes include cardiac tamponade, pulmonary embolism and narrowing of the aortic artery....more »
    880. Shock, Septic
     Shock is a life-threatening condition involving insufficient blood flow to the body tissues. Septic shock is caused by infection which affects large parts of the body. This form of shock results in death in about half of the cases....more »
    881. Shock, Traumatic
     Shock is a life-threatening condition involving insufficient blood flow to the body tissues. Traumatic shock is caused by a serious injury or trauma to the body which affects the blood volume through one or more factors such as severe bleeding, heart dama...more »
    882. Shock, anaphylactic
     Shock is a life-threatening condition involving insufficient blood flow to the body tissues. Anaphylactic shock is a severe allergic response....more »
    883. Sickle Cell Anemia
     Sickle cell anemia is an inherited blood disorder characterized by red blood cells which are crescent-shaped rather than the normal doughnut shape. These abnormally shaped red blood cells are unable to function normally and tend to undergo premature destr...more »
    884. Sideroblastic anemia
     Sideroblastic anemia is a blood disorder where the body has sufficient iron levels but is unable to utilise it properly in red blood cells. The iron becomes abnormally deposited in red blood cells which make them unable to function properly. The condition...more »
    885. Sideroblastic anemia, hereditary
     An inherited form of anemia where an enzyme deficiency prevents red blood cells from using iron properly. The red blood cells become overloaded with iron which impairs the blood's ability to carry oxygen....more »
    886. Sideroblastic anemia, pyridoxine-responsive, autosomal recessive
     Pyridoxine-responsive sideroblastic anemia is a rare inherited blood disorder characterized by abnormal deposits of iron in the red blood cells which makes them unable to function properly. The condition is inherited in an autosomal recessive manner and r...more »
    887. Siderodromophobia
     An exaggerated or irrational fear of trains....more »
    888. Sideropenic anemia
     Sideropenic anemia is a blood abnormality characterized by reduced iron levels in the plasma. It is a very common form of anemia....more »
    889. Siderophobia
     An exaggerated or irrational fear of the stars....more »
    890. Sinophobia
     An exaggerated or irrational fear of China....more »
    891. Sinus node disease
     Heart rhythm disorder due to the sinus node in the heart...more »
    892. Sinus tachycardia
     A condition which is characterized by a fast heart rate...more »
    893. Sitophobia
     An exaggerated or irrational fear of food....more »
    894. Sleep disorders
     Any disorder that affects ones sleep...more »
    895. Slickhead poisoning (clupeotoxin)
     Some slickhead 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 »
    896. Snake bite
     When a person is bitten by a snake...more »
    897. Sodium Iodide -- Teratogenic Agent
     There is evidence to indicate that exposure to Sodium Iodide 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 expos...more »
    898. Solophobia
     An exaggerated or irrational fear of sunlight or abnormal sensitivity to sunlight....more »
    899. Solvent abuse
     Solvent 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. Solvents include nail polish removers, paint ...more »
    900. Specific phobias
     Irrational fears of specific situations, actions or items....more »
    901. Specrophobia
     An exaggerated or irrational fear of specters or phantoms....more »
    902. Spermatophobia
     An exaggerated or irrational fear of germs....more »
    903. Spherocytic anemia
     Spherocytic anemia is a blood disorder characterized by red blood cells that are shaped like a sphere (spherocytes) rather than the normal doughnut shape. These abnormal cells are broken down prematurely resulting in a shortage of red blood cells (anemia)...more »
    904. Spinal cord injury
     Spinal cord injury is damage to the spinal cord as a result of a direct trauma to the spinal cord itself or as a result of indirect damage to the bones and soft tissues and vessels surrounding the spinal cord....more »
    905. Spondylometaphyseal dysplasia with combined immunodeficiency
     A rare syndrome characterized by skeletal abnormalities as well as a poor immune system....more »
    906. Spontaneous pneumothorax, familial type
     A rare inherited disorder which causes the lungs to collapse spontaneously....more »
    907. Spur-cell anemia
     Spur-cell anemia is a form of anemia where the red blood cells have an unusual spiked appearance. These abnormally shaped cells are destroyed earlier than normal and if new red blood cells aren't made fast enough to replace them, anemia can result. The co...more »
    908. Stasiphobia
     An exaggerated or irrational fear of standing or walking. Sufferers believe that they are unable to stand or walk....more »
    909. Status epilepticus
     A condition which is characterized by a continuous series of generalized tonic clonic seizures...more »
    910. Stevens-Johnson Syndrome
     A rare but serious condition involving inflammation and blistering of the skin and mucous membranes. It is believed to be an allergic reaction that can occur in response to some drugs or infectious diseases....more »
    911. Stygiophobia
     An exaggerated or irrational fear of hell....more »
    912. Subacute granulomatous thyroiditis
     Subacute thyroiditis is a self-limited thyroid condition associated with a triphasic clinical course of hyperthyroidism, hypothyroidism, and return to normal thyroid function....more »
    913. Subpulmonary stenosis
     A narrowing in the artery that allows blood to flow from the right heart ventricle to the lungs in order to be oxygenated. Severity of symptoms is determined by the degree of narrowing....more »
    914. Sulphonamide -induced Immune Hemolytic Anemia
     Sulphonamide-induced immune hemolytic anemia is a condition where use of a medication called Methyldopa triggers the body's immune system to destroy it's own red blood cells which results in anemia....more »
    915. Supraventricular Tachycardia
     A rapid heart rate, the cause of which originates above the ventricles....more »
    916. Sychrophobia
     An exaggerated or irrational fear of ice or frost....more »
    917. Symmetrophobia
     An exaggerated or irrational fear or dislike of symmetry....more »
    918. Syncopal paroxysmal tachycardia
     Rapid heart rate that starts and ends suddenly and causes fainting....more »
    919. Syncopal tachyarrhythmia
     A rare disorder where a rapid heart rate results in fainting spells....more »
    920. Syncope
     Temporary loss of conciousness or fainting....more »
    921. Systemic candidiasis
     A candida infection that spreads throughout the body. If it invades major organs such as the brain and heart, death may result. It is rare in healthy individuals and tends to occur in immunocompromised individuals. The disorder is difficult to diagnose as...more »
    922. T-cell acute lymphoblastic leukemia
     Cancer of particular white blood cells called T-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...more »
    923. Tabophobia
     An exaggerated or irrational fear of a wasting sickness....more »
    924. Tachophobia
     An exaggerated or irrational fear of speed....more »
    925. Tachycardia
     Excessively rapid heart beat....more »
    926. Tacrolimus -- Teratogenic Agent
     There is evidence to indicate that exposure to Tacrolimus 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 exposure...more »
    927. Tansy poisoning
     Tansy is a herbaceous plant which bears clusters of small yellow flowers. It can be found growing in the wild as well as in gardens. The leaves and flowers contain a chemical called thujone which can cause symptoms if large quantities are eaten. Small qua...more »
    928. Taphephobia
     An exaggerated or irrational fear of being buried alive or of cemeteries....more »
    929. Tapinophobia
     An exaggerated or irrational fear of small things....more »
    930. Tarpon poisoning (clupeotoxin)
     Some tarpon 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 bel...more »
    931. Taurophobia
     An exaggerated or irrational fear of bulls....more »
    932. Technophobia
     An exaggerated or irrational fear or dislike of modern technology....more »
    933. Telephonophobia
     An exaggerated or irrational fear of the telephone....more »
    934. Teratophobia
     An exaggerated or irrational fear of monsters and deformed people or of giving birth to a malformed infant....more »
    935. Terbutaline -- Teratogenic Agent
     There is evidence to indicate that exposure to Terbutaline 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 exposur...more »
    936. Thaasophobia
     An exaggerated or irrational fear or dislike of boredom or being idle....more »
    937. Thalassophobia
     An exaggerated or irrational fear of the sea....more »
    938. Thanatophobia
     An exaggerated or irrational fear of death....more »
    939. Theatrophobia
     An exaggerated or irrational fear of theatres....more »
    940. Theophobia
     An exaggerated or irrational fear of God....more »
    941. Theophylline -- Teratogenic Agent
     There is evidence to indicate that exposure to Theophylline 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 exposu...more »
    942. Theophylline poisoning
     Excessive ingestion of theophylline drugs....more »
    943. Thermophobia
     An exaggerated or irrational fear or dislike of heat....more »
    944. Thixophobia
     An exaggerated or irrational fear of touch....more »
    945. Thrombocytopenic purpura, autoimmune
     A rare blood disorder where a low number of platelets impairs the bloods ability to clot and results in bleeding into the skin and mucous membranes....more »
    946. Thrombotic thrombocytopenic purpura, acquired
     A rare blood condition where small blood clots form in blood vessels which reduces the number of blood platelets and results in kidney failure, neurological symptoms and anemia. The condition may be familial or acquired - symptoms tend to recur regularly ...more »
    947. Thyroid disorders
     Any disorder of the thyroid gland....more »
    948. Timothy syndrome
     A rare syndrome characterized by webbed fingers and a heart defect. Most affected individuals die during early childhood or infancy....more »
    949. Tocophobia
     An exaggerated or irrational fear of childbirth....more »
    950. Tomophobia
     An exaggerated or irrational fear of surgical operations....more »
    951. Tonic seizure
     Abnormal electrical activity in a part of the brain which results mainly in muscle stiffness and rigidity. Tonic seizures are considered relatively uncommon. They can occur at any age but are more common in childhood. Patients with Lennox-Gastaut syndrome...more »
    952. Tonic-Clonic seizure
     Abnormal electrical activity in the brain which results in stiffening and rigidity of muscles (tonic phase) followed by rhythmic jerking motions (clonic phase). The tonic phase tends to last less than half a minute and the clonic phase usually lasts a cou...more »
    953. Topophobia
     An exaggerated or irrational fear of certain places....more »
    954. Torsion
     Twisting of the spermatic cord which obstructs blood flow to and from the testes....more »
    955. Toxic megacolon
     It is a life threatening complication....more »
    956. Toxic mushrooms -- Psychedelic
     Some mushrooms contain chemicals called psilocybin and psilocin which produce effects similar to LSD. Mushroom species from this group include certain species of Conocybe syanopus, Conocybe spectabilis, Gymnopilus, Panaeolus, Pluteus, Psilocybe and Stroph...more »
    957. Toxicophobia
     An exaggerated or irrational fear of being poisoned....more »
    958. Toxin-induced Sideroblastic anemia
     Toxin-induced sideroblastic anemia is a blood disorder caused by toxins such as lead or zinc poisoning. The body has sufficient iron levels but is unable to utilise it properly in red blood cells. The iron becomes abnormally deposited in red blood cells w...more »
    959. Transfusion Reaction
     The allergic reaction to the transfusion of blood products to a person...more »
    960. Transient erythroblastopenia of childhood
     A rare disorder where new red blood cells are not temporarily not produced. Symptoms become increasingly noticeable as the existing supply of mature red blood cells gradually die and aren't replaced. Symptoms improve once red blood cell production starts ...more »
    961. Transient tachycardia
    962. Tranxene -- Teratogenic Agent
     There is evidence to indicate that exposure to Tranxene 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 exposure a...more »
    963. Traumatophobia
     An exaggerated or irrational fear of war or physical injury....more »
    964. Tremophobia
     An exaggerated or irrational fear of trembling....more »
    965. Triggerfish poisoning (Palytoxin)
     Palytoxin is a marine toxin found in some triggerfish from the Philippines region. The toxin is extremely potent and death is common in patients who ingest contaminated triggerfish....more »
    966. Trimipramine toxicity
     The toxic reaction of the body to the substance, possibly via allergic reaction or overdose....more »
    967. Triskaidekaphobia
     An exaggerated or irrational fear of the number 13....more »
    968. Truncus Arteriosus
     A rare congenital heart vessel abnormality where the heart has only one artery coming out of it which forms the aorta and pulmonary artery and delivers blood to the body and the lungs. Normally the blood flow to the body and the lungs is carried out throu...more »
    969. Trypanophobia
     An exaggerated or irrational fear of injections ....more »
    970. Tuberculous pericarditis
     Inflammation and swelling of the pericardium (fibrous sac surrounding the heart) that occurs as a complication of tuberculosis. The condition may be misdiagnosed as a heart attack and vice versa....more »
    971. Type 2 diabetes
     Most common diabetes in adults, usually progressing slowly, mostly treated without insulin at diagnosis....more »
    972. Typhus
     A general name for various arthropod-borne rickettsial infections...more »
    973. Tyrannophobia
     An exaggerated or irrational fear or hatred of tyrants....more »
    974. Uhl anomaly
     A rare congenital heart malformation where the myocardial layer (muscle wall of the heart) of the right ventricle is completely or partially absent....more »
    975. Uremic pericarditis
     Inflammation and swelling of the pericardium (fibrous sac surrounding the heart) that occurs as a complication in people with uremia. Uremia is a buildup of urea and other waste material in the blood due to kidney failure. Uremic pericarditis condition ma...more »
    976. Urophobia
     An exaggerated or irrational fear of urine....more »
    977. Uterine compression syndrome
     Compression of blood vessels in the pelvis by the enlarged uterus in women who are in the late stages of pregnancy. Symptoms tend to worse during standing....more »
    978. Vaccinophobia
     An exaggerated or irrational fear of vaccines or vaccination....more »
    979. Valvular dysplasia of the child
     A condition which is characterised by the dysplasia of one or more of the valves to a childs heart...more »
    980. Vancomycin resistant enterococcal bacteremia
     A condition which is characterised by bacteremia caused by an enterococci that is resistant to vancomycin....more »
    981. Variceal Bleeding
     Bleeding that occurs in dilated blood vessels that usually develop in the esophagus or stomach. The dilated blood vessels are asymptomatic unless they burst which can then become a life-threatening condition. Bleeding varices are most often caused by live...more »
    982. Variegate porphyria
     A rare metabolic disorder characterized by a deficiency of a certain enzyme which results in a build-up in the body of porphyrins or their precursors. This form of hepatic porphyria causes the sufferer to have acute attacks as well as skin sensitivity....more »
    983. Vascular malposition
     A condition which is characterised by malposition of the great vessels...more »
    984. Vasculitis
     Inflammation of a blood or lymph vessel...more »
    985. Vasculitis hypersensitivity
     A condition which is characterised by a reaction that results in the inflammation of the blood vessels...more »
    986. Venereophobia
     An exaggerated or irrational fear of venereal disease....more »
    987. Ventral Hernia
     The protrusion of abdominal contents such as bowel through a defect in the abdominal wall caused by surgery or trauma....more »
    988. Ventricular arrhythmia
     A condition which is characterized by an arrhythmia of the heart beat...more »
    989. Ventricular extrasystoles perodactyly Robin sequence
     A syndrome characterised by the occurrence of cardiac arrhythmia, perodactyly, and Robin sequence...more »
    990. Ventricular familial preexcitation syndrome
     A condition which is inheritable and causes any syndrome that is characterised by ECG signs of preexcitation...more »
    991. Ventricular fibrillation
     Life-threatening heart arrhythmia with rapid beating in lower chambers...more »
    992. Ventricular septal defect
     An abnormal connection between the 2 lower chambers (ventricles) of the heart....more »
    993. Ventricular tachycardia
     A condition which is characterized by a fast heart beat originates from the ventricles...more »
    994. Ventricular tachycardia, catecholaminergic polymorphic, 1
     A very rare inherited heart disorder involving an abnormal heart rhythm in an apparently otherwise normal heart. Sudden death can occur readily. Symptoms such as fainting and seizures can be triggered by strenuous physical activity or sudden excitement. T...more »
    995. Ventricular tachycardia, catecholaminergic polymorphic, 2
     A very rare, recessively inherited heart disorder involving an abnormal heart rhythm in an apparently otherwise normal heart. Sudden death can occur readily. Symptoms such as fainting and seizures can be triggered by strenuous physical activity or sudden ...more »
    996. Ventriculo-arterial discordance, isolated
     A rare birth disorder where the right atrium is connected to the left ventricle and vice versa. The position of the heart ventricles is also inverted which allows normal blood oxygenation. Symptoms generally only occur later in life or if other heart defe...more »
    997. Vermiphobia
     An exaggerated or irrational fear of earthworms....more »
    998. Vibrio
     An organism of the genus Vibrio or other spiral motile organism...more »
    999. Vibrio infection -- Vibrio alginolyticus
     An infectious disease caused by a bacteria called Vibrio alginolyticus. This bacterium tends to cause ear and wound infections....more »
    1000. Vibrio infection -- Vibrio damsela
     An infectious disease caused by a bacteria called Vibrio damsela. The nature and severity of symptoms can vary considerably depending on the type of infection caused - gastroenteritis, wound infection or septicemia. Wound infection is the most common dise...more »
    1001. Vibrio infection -- Vibrio fluvialis
     An infectious disease caused by a bacteria called Vibrio fluvialis. The nature and severity of symptoms can vary considerably depending on the type of infection caused - gastroenteritis, wound infection or septicemia. Gastroenteritis is the most common di...more »
    1002. Vibrio infection -- Vibrio furnissii
     An infectious disease caused by a bacteria called Vibrio furnissii. The nature and severity of symptoms can vary considerably depending on the type of infection caused - gastroenteritis, wound infection or septicemia. Gastroenteritis is the most common di...more »
    1003. Vibrio infection -- Vibrio holisae
     An infectious disease caused by a bacteria called Vibrio holisae. The nature and severity of symptoms can vary considerably depending on the type of infection caused - gastroenteritis, wound infection or septicemia. Gastroenteritis is the most common dise...more »
    1004. Vibrio infection -- Vibrio metschnikovii
     An infectious disease caused by a bacteria called Vibrio metschnikovii. The nature and severity of symptoms can vary considerably depending on the type of infection caused - gastroenteritis, wound infection or septicemia. Gastroenteritis is the most commo...more »
    1005. Vibrio infection -- Vibrio mimicus
     An infectious disease caused by a bacteria called Vibrio mimicus. The nature and severity of symptoms can vary considerably depending on the type of infection caused - gastroenteritis, wound infection or septicemia. Gastroenteritis is the most common dise...more »
    1006. Vibrio infection -- Vibrio parahaemolyticus
     An infectious disease caused by a bacteria called Vibrio parahaemolyticus. The nature and severity of symptoms can vary considerably depending on the type of infection caused - gastroenteritis, wound infection or septicemia. Gastroenteritis is the most co...more »
    1007. Vibrio vulnificus
     Bacteria commonly infecting oysters and seafood....more »
    1008. Vibrio vulnificus infection
     The infection by the vibrio vulnificus bacteria...more »
    1009. Viral digestive infections
     Any virus that infects the gastrointestinal tract causing a medical condition...more »
    1010. Viral pericarditis
     Inflammation and swelling of the pericardium (fibrous sac surrounding the heart) that results from a viral infection. Causative viruses include HIV, coxsackieviruses, echoviruses and adenoviruses. The condition may be misdiagnosed as a heart attack and vi...more »
    1011. Vitamin B deficiency
     When there is a deficiency of vitamin B in the body...more »
    1012. Vitamin B12 Deficiency
     A deficiency of Vitamin B12 primarily causes anemias the body is unable to make sufficient quantities of normal red blood cells. Severe cases can lead to permanent nervous system problems. The vitamin B12 deficiency can result from absorption problems, in...more »
    1013. Vitamin K deficiency
     Deficiency of vitamin K...more »
    1014. Volume depletion
     When an individual does not have enough fluid volume in there circulation...more »
    1015. Warm Autoimmune Hemolytic Anemia
     Warm autoimmune hemolytic anemia is a condition where the body's immune system triggers the production of antibodies against the body's own red blood cells. The red cells are destroyed at an abnormally rapid rate which leads to anemia. Warm haemolytic ane...more »
    1016. Warm-reacting-antibody haemolytic anemia
     An autoimmune disorder characterised by the premature destruction of red blood cells...more »
    1017. Waterhouse-Friederichsen syndrome
     A rare syndrome that occurs as complication of septicemia (often due to meningococcal or pneumococcal infection) and involves blood coagulation in blood vessels, adrenal gland hemorrhages and ultimately kidney failure....more »
    1018. Watermelon stomach
     The dilation of the blood vessels in the antral of the stomach...more »
    1019. Weil's syndrome
     Severe form of Leptospirosis...more »
    1020. Western equine encephalitis
     An infectious disease caused by an arbovirus (Alphavirus - Togaviraidae) and transmitted by infected mosquitoes. The infection primarily attacks that central nervous system and severity can range from asymptomatic to severe complications and even death in...more »
    1021. Wheezing
     A whistling like continuous sound that is caused by the respiratory system...more »
    1022. White Chameleon poisoning
     The white chameleon is a type of thistle found mainly in dry areas of the Mediterranean. The rhizomes contains chemicals which can cause poisoning symptoms if eaten. The plant is often mistaken for a wild artichoke. The root extract is sometimes used in a...more »
    1023. Wolf-Parkinson-White syndrome
     Heart arrhythmia causing increased heart rate...more »
    1024. Woodhouse Sakati syndrome
     A condition which consists of numerous symptoms such as diabetes, hypogonadism, deafness and mental retardation...more »
    1025. Wound drains and tubes induced allergies
     Wound drains and tubes induced allergies are an adverse reaction by the body's immune system to the latex in wound drains and tubes which are often used during surgery. Symptoms may vary depending on the location of the wound drains and tubes....more »
    1026. X-linked dyserythropoietic anaemia and thrombocytopenia
     An inherited blood disorder characterized by dyserythropeoietic anemia (abnormal red blood cell formation) and low blood platelet count which can cause bleeding problems....more »
    1027. X-linked sideroblastic anaemia
    1028. X-linked sideroblastic anemia
     X-linked sideroblastic anemia is a rare inherited blood disorder characterized by abnormal deposits of iron in the red blood cells which makes them unable to function properly. The body continues to absorb more iron from digesting food in order to try and...more »
    1029. Xanax withdrawal
     Symptoms that occur when Xanax use is discontinued or reduced. Xanax is a central nervous system depressant. Symptoms may vary depending on the level of dependence....more »
    1030. Xanthic urolithiasis
     The formation of xanthine crystals in the urine...more »
    1031. Xanthid crab poisoning (Palytoxin)
     Palytoxin is a marine toxin found in some xanthid crabs from the Philippines and Singapore region. The toxin is extremely potent and death is common in patients who ingest contaminated xanthid crabs....more »
    1032. Xanthophobia
     An exaggerated or irrational fear of the color yellow or the word yellow....more »
    1033. Xenophobia
     An exaggerated or irrational fear or hatred of foreigners and strange things....more »
    1034. Xerophobia
     An exaggerated or irrational fear of dryness and dry places such as deserts....more »
    1035. Zelophobia
     An exaggerated or irrational fear of jealousy....more »
    1036. Zemmiphobia
     An exaggerated or irrational fear of the great mole rat....more »
    1037. Zoophobia
     An exaggerated or irrational fear of animals....more »

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