Self
Assessment

Have a symptom?
See what questions
a doctor would ask.
 
Symptom Checker » Fever » Vaginal bleeding in the first trimester
 

Fever and Vaginal bleeding in the first trimester
Symptom Checker

Results: Causes of Fever AND Vaginal bleeding in the first trimester

    1. Septic abortion
     An abortion associated with a uterine infection. The infection can occur during or just before or after an abortion. The infection can result from factors such as Chlamydia, IUD's or attempted abortion using infected tools....read more »

    Start Again »

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

Results: 2095 causes of Fever OR Vaginal bleeding in the first trimester

    1. 5-Azacytidine -- Teratogenic Agent
     Experimental studies on mice and rats indicate that the use of 5-Azacytidine during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that ...more »
    2. 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 »
    3. Abdominal Cancer
     Growth of abnormal cells (tumour) affecting the organs in the abdominal cavity; may be due to primary growth of a tumour or spread from another tumour (metastases, secondary tumour)...more »
    4. Abdominal Neoplasms
     A tumor that occurs in the abdomen....more »
    5. Abdominal abscess
     An abscess that occurs anywhere in the abdomen....more »
    6. Abdominal cystic lymphangioma
     A rare form of benign tumor that occurs in infants. It is essentially a malformation of one of the abdominal lymph vessels where a portion is dilated and form a lymph fluid-filled cyst. Symptoms may vary depending on the exact location and size of the cys...more »
    7. Acarophobia
     An exaggerated or irrational fear of mites, ticks, small insects and worms....more »
    8. Acebutolol Hydrochloride -- Teratogenic Agent
     Experimental studies on rats indicate that using Acebutolol Hydrochloride during pregnancy produces no harmful effects on the developing fetus. Acebutolol Hydrochloride is a beta blocker medication used to treat high blood pressure and abnormal heart rhyt...more »
    9. Achluophobia
     An exaggerated or irrational fear of the night or darkness....more »
    10. Acinic cell carcinoma
     A usually slow-growing malignant tumor that that can occur in various parts of the body but is most often found in the pancreas, salivary glands, palate and upper lip. Symptoms are determined by the size and location of the growth....more »
    11. Acousticophobia
     An exaggerated or irrational fear of noise....more »
    12. Acrodynia
     Symptoms caused by chronic mercury poisoning in infants in children....more »
    13. Actinic prurigo
     An inherited tendency to develop an itchy, bumpy rash on exposure to the sun. Generally only the face and lips are affected. Symptoms tend to occur seasonally....more »
    14. Actinomycetales infection
     A bacterial infection from the order of Actinobacteria. The range of symptoms is variable depending on which bacteria from the order is involved....more »
    15. Actinomycotic appendicitis
     Chronic suppurative appendicitis resulting from infection by Actinomyces israelii. . It is extremely rare, but it is important to diagnose it, since failure to treat it adequately may result in protracted illness with extensive local spread....more »
    16. Acute Appendicitis
     Infection of the appendix...more »
    17. Acute Bokhoror
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    18. Acute Bronchitis
     Respiratory inflammation of the bronchi leading to the lungs...more »
    19. Acute Cholecystitis
     Acute inflammation of the gall bladder, usually due to obstruction by a gall stone...more »
    20. Acute Disseminated Encephalomyelitis
     A rare neurological disorder where an inflammation of the brain and spinal cord occurs due to damage to the protective covering (myelin sheath) around the nerves....more »
    21. Acute Interstitial Pneumonia
     A relatively uncommon form of pneumonia that has no apparent cause. Symptoms tend to develop over a period of six months to one and a half years....more »
    22. Acute Pancreatitis
     Sudden severe inflammation of the pancreas causing digestive complaints....more »
    23. Acute Sinusitis
     A condition which is characterized by an acute inflammatory reaction affecting the sinuses...more »
    24. Acute Tracheitis
     Tracheitis is a bacterial infection of the trachea and is capable of producing airway obstruction...more »
    25. Acute VE
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    26. Acute Viliuisk Encephalitis
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    27. Acute Viliuisk Encephalomyelitis
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    28. Acute Vilyuisk Encephalitis
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    29. Acute Vilyuisk Encephalomyelitis
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    30. Acute abdominal syndrome
     Abdominal symptoms similar to that observed in acute abdominal disease. The symptoms start gradually and reach a peak after a few hours. The symptoms resolved quickly without treatment. It is believed to be caused by a failed bacterial infection in the pe...more »
    31. Acute adult T-Cell leukemia
     A form of blood cancer affecting the T-cells which make up the body's immune system. The disease is caused by the HTLV-1 virus (human T-cell leukemia virus) which causes the proliferation of abnormal T-cells. The virus can be transmitted sexually and may ...more »
    32. Acute bacterial prostatitis
     Bacterial prostatitis is a bacterial inflammation of the prostate gland, in men....more »
    33. Acute biphenotypic leukemia
     A rare form of leukemia that has myeloid and lymphoid features....more »
    34. Acute erythroleukemia
     A rare condition characterized by the presence of abnormal blood cells (erythroblastic precursors) in the bone marrow and blood. The condition is characterized by anemia and generally leads to the development of acute myelogenous leukemia. The acute form ...more »
    35. Acute fatty liver of pregnancy
     A rare complication of pregnancy that can occur in the second half of the pregnancy. It is characterized by excessive fatty deposits in the liver which can be fatal without prompt diagnosis and treatment which involves delivering the baby as soon as possi...more »
    36. Acute hemorrhagic leukoencephalitis
     A rare brain disease involving destruction of blood vessel walls, hemorrhages and swelling in the brain. The disease may be associated with a virus or vaccination. The disease can progress rapidly and death is common but treatment can result in complete r...more »
    37. Acute idiopathic polyneuritis
     A rare progressive form of ascending polyneuropathy believed to be an autoimmune response....more »
    38. Acute infections
     An infection that occurs acutely...more »
    39. Acute leukaemia of ambiguous lineage
     A term used to describe a type of leukemia (a blood cancer) where the leukemic cells cannot be determined as myeloid or lymphoid or where both types of cells are present....more »
    40. Acute leukemia
     An acute condition which affects a cell line of the blood which shows little or no differentiation...more »
    41. Acute lower respiratory conditions
     An acute condition that occurs in the lower respiratory tract...more »
    42. 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 »
    43. 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 »
    44. 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 »
    45. 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 »
    46. 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 »
    47. Acute lymphocytic leukemia
     Most common child form of leukemia; can also affect adults especially over 65....more »
    48. Acute megacaryoblastic leukemia
     A rare form of malignant bone marrow cancer involving the proliferation of immature precursors of blood cells. More specifically, it involves the rapid proliferation of megakaryoblasts (premature form of megakaryocytes)....more »
    49. 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 »
    50. Acute mercury inhalation
     Inhalation of mercury vapor can lead to serious symptoms and even death if sufficient quantities are inhaled. Mercury inhalation is more likely in confined or poorly ventilated spaces. Mercury from a broken thermometer can lead to symptoms if it occurs in...more »
    51. Acute myeloblastic leukemia type 1
     A form of blood cancer resulting in the rapid proliferation of immature blood cells (blast cells)....more »
    52. Acute myeloblastic leukemia type 2
     A form of blood cancer resulting in the rapid proliferation of granulocytes and monocytes....more »
    53. Acute myeloblastic leukemia type 3
     A rare form of malignant bone marrow cancer involving the rapid proliferation of immature precursors of blood cells. Type 3 involves the proliferation of promyelocytes....more »
    54. Acute myeloblastic leukemia type 4
     A rare form of malignant bone marrow cancer involving the rapid proliferation of immature precursors of blood cells. Type 4 involves the rapid proliferation of myelocytes and monocytes....more »
    55. Acute myeloblastic leukemia type 5
     A rare form of malignant bone marrow cancer involving the proliferation of immature precursors of blood cells. Type 5 involves the rapid proliferation of monoblasts (immature precursors of monocytes) in particular....more »
    56. Acute myeloblastic leukemia type 6
     A rare form of malignant bone marrow cancer involving the rapid proliferation of immature precursors of blood cells. Type 6 involves the proliferation of the immature precursors of red blood cells called erythroblasts....more »
    57. Acute myeloblastic leukemia type 7
     A rare form of malignant bone marrow cancer involving the proliferation of immature precursors of blood cells. Type 7 involves the rapid proliferation of megakaryoblasts (premature form of megakaryocytes) in particular....more »
    58. Acute myelocytic leukemia
     A cancer of the blood-forming tissues of the bone marrow involving the proliferation of cells that normally develop into infection-fighting cells such as eosinophils, monocytes, basophils and neutrophils. The cancerous cells replace the normal bone marrow...more »
    59. Acute myeloid leukaemia and myelodysplastic syndromes related to alkylating agent
     The use of alkylating agents to treat cancer can result in leukemia in some patients....more »
    60. Acute myeloid leukaemia and myelodysplastic syndromes related to topoisomerase type II inhibitor
     The use of topoisomerase type II inhibitors to treat cancer can result in leukemia in some patients....more »
    61. Acute myeloid leukaemia and myelodysplastic syndromes, therapy related
     Certain cancer therapies can result in the development of leukemia in some patients. These therapies includes topoisomerase type II inhibitors and alkylating agents....more »
    62. Acute myeloid leukemia
     A form of rapidly progressing blood cancer resulting in the rapid proliferation of granulocytes and monocytes, red blood cells and platelets....more »
    63. Acute myeloid leukemia, adult
     A form of blood cancer resulting in the rapid proliferation of granulocytes and monocytes, red blood cells and platelets....more »
    64. Acute myelosclerosis
     A rare disorder where the bone marrow makes too many blood cells. The disease progresses rapidly with death usually occurring within 6 months of onset....more »
    65. Acute non lymphoblastic leukemia
     A form of rapidly progressing blood cancer resulting in the rapid proliferation of granulocytes and monocytes, red blood cells and platelets. It is one of the most common forms of leukemia in adults but can occur in children....more »
    66. Acute pharyngitis
     A condition which is characterized by an acute inflammatory reaction of the pharynx...more »
    67. Acute posterior multifocal placoid pigment
     A rare eye disease where the central vision in one or both eyes is affected by inflammation or fluid build up in the retina. The retina lies at the back of the eye. Symptoms such as fever, headache and malaise often precede the eye symptoms. The cause of ...more »
    68. Acute prostatitis
     An acute condition which affects the prostate which is the result of infammation...more »
    69. Acute tin poisoning
     Acute ingestion of tin can cause various adverse symptoms....more »
    70. Acute upper respiratory infection
     Upper respiratory tract infections, are the illnesses caused by an acute infection which involves the upper respiratory tract: nose, sinuses, pharynx or larynx...more »
    71. Acute urinary conditions
     An acute condition that occurs in the urinary system...more »
    72. Acute zinc toxicity
     Acute ingestion of zinc can cause symptoms....more »
    73. Addington disease
     An epidemic disease which resembles polio and was first recorded in South Africa. The range and severity of symptoms experienced is variable and the disease may persist from a week to 3 months in some cases....more »
    74. Adenitis
     Inflammation of a lymph gland...more »
    75. Adenocarcinoma of lung
     A tumor that develops in the lining of the lung. The tumor is usually slow growing....more »
    76. Adenoid cystic carcionoma
     Adenoid cystic carcinoma of the breast is a rare neoplasm. It has a biological course of slow progression and near absence of Iymph node metastasis....more »
    77. Adenoid disorders
     A disorder of the adenoids of the throat...more »
    78. Adenoiditis
     Infection of the adenoids in the nasal-throat region...more »
    79. Adenophorea Infections
     A parasitic roundworm infection. Roundworms can be found in water and soil environments as well as on plants and in animals....more »
    80. Adenoviridae Infections
     Infection with a virus from the Adenoviridae family. The most common sites for infection are membrane linings such as the intestines, respiratory and urinary tract and the eyes. The infection may result in a range of symptoms depending on the particular v...more »
    81. Adenovirus infection in immunocompromised patients
     Infection with a virus from the Adenoviridae family that occurs in a patient with a weakened immune system. The infection in these people is serious and can be fatal. The infection may result in a range of symptoms depending on the particular virus involv...more »
    82. Adenovirus-related Cold
     An Adenovirus-related cold is a relatively minor contagious infection of the nose and throat caused by the Adenovirus. Although colds can cause discomfort they are not considered a serious condition....more »
    83. Adenoviruses
     Common viruses causing common cold and various other ailments....more »
    84. Adrenal crisis
     A condition which is characterized by insufficient amounts of the adrenocortical hormones that results in vomiting, nausea, hypotension and electrolyte abnormalities...more »
    85. Adrenal hemorrhage, neonatal
     Hemorrhage of the adrenal gland after birth. The severity of the disorder is varies from a small hemorrhage to damage to the whole adrenal gland. Sometimes the condition is discovered incidentally during ultrasounds for other reasons. The hemorrhage may o...more »
    86. 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 »
    87. Adult Panic-Anxiety Syndrome
     A psychiatric disorder involving anxiety and panic attacks that occur for no obvious reason....more »
    88. Adult T-Cell leukemia
     A form of blood cancer affecting the T-cells which make up the body's immune system. The disease is caused by the HTLV-1 virus (human T-cell leukemia virus) which causes the proliferation of abnormal T-cells. The virus can be transmitted sexually and may ...more »
    89. Adult T-cell leukemia/lymphoma
     Rare cancer of the immune system T-cells....more »
    90. Aelurophobia
     An exaggerated or irrational fear of cats....more »
    91. Aerophobia
     An exaggerated or irrational fear of fresh air, breezes and flying....more »
    92. Aflatoxicosis
     Poisoning from ingestion of aflatoxins....more »
    93. Aflatoxin B1 exposure
     Aflatoxin B1 is a toxin produced by fungus from the Aspergillus genus. The toxin is carcinogenic in humans and can also cause other health effect, particularly liver problems. The fungus are found frequently in nature and can readily contaminate crops bef...more »
    94. Aflatoxin B2 exposure
     Aflatoxin B2 is a toxin produced by fungus from the Aspergillus genus. The toxin is carcinogenic in humans and can also cause other health effect, particularly liver problems. The fungus are found frequently in nature and can readily contaminate crops bef...more »
    95. Aflatoxin G1 exposure
     Aflatoxin G1 is a toxin produced by fungus from the Aspergillus genus. The toxin is carcinogenic in humans and can also cause other health effect, particularly liver problems. The fungus are found frequently in nature and can readily contaminate crops bef...more »
    96. Aflatoxin G2 exposure
     Aflatoxin G2 is a toxin produced by fungus from the Aspergillus genus. The toxin is carcinogenic in humans and can also cause other health effect, particularly liver problems. The fungus are found frequently in nature and can readily contaminate crops bef...more »
    97. Aflatoxin exposure
     Aflatoxins are toxins produced by fungus from the Aspergillus genus. The toxin is carcinogenic in humans and can also cause other health effect, particularly liver problems. The fungus are found frequently in nature and can readily contaminate crops befor...more »
    98. African Sleeping sickness
     Fly-borne African parasitic disease....more »
    99. African tick typhus
     An infectious disease caused by a rikettsial bacteria and transmitted by ticks....more »
    100. Agranulocytosis
     Total lack of granulocytes in the blood...more »
    101. 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 »
    102. Aichmophobia
     An exaggerated or irrational fear of pointy objects or needles....more »
    103. Alcohol Withdrawal
     Symptoms that occur when alcohol consumption is discontinued or reduced. Symptoms may vary depending on the level of dependence....more »
    104. Alcoholic liver disease
     Alcoholic liver disease is the major cause of liver disease in Western countries, (in Asian countries, viral hepatitis is the major cause). It arises from the excessive ingestion of alcohol....more »
    105. Alektorophobia
     An exaggerated or irrational fear of chickens....more »
    106. Algophobia
     An exaggerated or irrational fear of pain...more »
    107. Allergic bronchopulmonary aspergillosis
     An allergic reaction to a particular fungus called Aspergillus....more »
    108. Allopurinol hypersensitivity syndrome
     An immune reaction to the ingestion of a drug called allopurinol. It is a potentially fatal disorder....more »
    109. 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 »
    110. Alveolar Hydatid Disease
     Rare multi-organ tapeworm infection caught from animals....more »
    111. Alveolitis, extrinsic allergic
     A lung disease that tends to occur in people with jobs where they are frequently exposed to organic dust inhalation....more »
    112. Amathophobia
     An exaggerated or irrational fear of dust....more »
    113. Amaxophobia
     An exaggerated or irrational fear of riding in a vehicle or being in one....more »
    114. Amebiasis
     An intestinal infection caused by a parasitic amebic organism. It is usually associated with poor sanitation....more »
    115. American mountain fever
     A viral disease transmitted through the bite of ticks (Rocky Mountain wood tick and American dog tick) who are infected with the virus. Because the virus infects blood cells including erythrocytes, transmission can also occur through transfusion with infe...more »
    116. Aminophyllin -- Teratogenic Agent
     Experimental studies on rats indicate that the use of Aminophyllin 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 exposu...more »
    117. Amobarbital -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Amobarbital 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 »
    118. Amoebiasis
     An infectious disease caused by a free-living amoebic parasite called Entamoeba histolytica. The organism infects the bowel and causes gastroenteritis. Infection occurs through ingesting contaminated food or water. It is more common in countries with poor...more »
    119. Amphetamine abuse
     Use of the stimulant drugs known as amphetamines or "speed"...more »
    120. Amychophobia
     An exaggerated or irrational fear of being scratched or clawed....more »
    121. Anaplastic large cell lymphoma
     A rare type of cancer where a tumor develops in lymph tissue and usually consists of white blood cells and null cells. It is a form of non-Hodgkin's lymphoma. The tumors can develop in more than one lymph node and can also occur in the skin and various or...more »
    122. Anaplastic small cell lymphoma
     A rare type of cancer where a tumor develops in lymph tissue and consists mainly of small cells. It is a form of non-Hodgkin's lymphoma. The tumors can develop in more than one lymph node and can also occur in the skin and various organs such as the liver...more »
    123. 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 »
    124. Androphobia
     An exaggerated or irrational fear of men...more »
    125. 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 »
    126. Anemia, Hemolytic, Warm Antibody
     A rare autoimmune condition where the body's defense system attacks and destroys red blood cells. The onset of the condition is triggered by temperatures 37ºC or higher. The severity of the disorder is variable....more »
    127. 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 »
    128. Anginophobia
     An exaggerated or irrational fear of angina, choking or narrowness of the throat....more »
    129. Angiofollicular ganglionic hyperplasia
     A rare disorder characterized by a localized overgrowth of lymph node tissue which can form a benign tumor-like growth. The symptoms are determined by the location and number of growths. There are two types of the disease: hyaline-vascular type or the pla...more »
    130. Angiofollicular ganglionic hyperplasia -- plasma cell type
     A rare disorder characterized by a localized overgrowth of lymph node tissue which can form a benign tumor-like growth. There are two types of the disease: hyaline-vascular type or the plasma cell type which tends to have more severe symptoms. The plasma-...more »
    131. Angioimmunoblastic with dysproteinemia lymphadenopathy
     A rare immune system disorder which is similar to lymphoma. The condition is progressive but the course varies with some patients surviving a long time without treatment and others surviving only a short period of time....more »
    132. Angioneurotic Edema
     Recurring periods of noninflammatory swelling involving the skin, intestinal organs, brain and mucous membranes. In severe cases, respiratory swelling can result in compromised breathing....more »
    133. Angiostrongyliasis
     Infection by a parasitic worm (Angiostrongylus). Infection can occur through eating contaminated raw animals such as snails, slugs, prawns or crabs which act as hosts to these parasites....more »
    134. Anglophobia
     An exaggerated or irrational fear of England or the English....more »
    135. Anisakiasis
     Intestinal infection by a parasitic worm (Anisakidae). Infection usually occurs by eating seafood infected with the larvae....more »
    136. Ankylophobia
     An exaggerated or irrational fear of stiff or immobile joints....more »
    137. Ankylosing spondylarthritis
     Inflammation of one or more spine joints. The spine becomes progressively painful and stiff and the spine joints may eventually fuse and cause disability. The condition may vary from mild to severe. Inflammation can affect other joints and tissues....more »
    138. Ankylostomiasis
     A parasitic intestinal infection caused by a hookworm called Ancylostoma duodenale or Necator americanus. Infection usually occurs when larva enter a break in the skin and then travel throughout the body until the reach the intestines....more »
    139. Anorectal abscess
     A condition characterized by a collection of puss located in the anorectal area...more »
    140. Ansell-Bywaters-Elderking syndrome
     A rare familial syndrome characterized mainly by mental retardation, rash, eye inflammation and joint disease....more »
    141. Anterior pituitary hyperhormonotrophic syndrome
     A syndrome characterized by the excessive production of various hormones (gonadotrophic, thyrotrophic, lactotrophic and pancreatrophic hormone)....more »
    142. Anthophobia
     An exaggerated or irrational fear of flowers....more »
    143. Anthrax
     A serious infectious bacterial disease that can be fatal....more »
    144. Anthropophobia
     An exaggerated or irrational fear of people and groups of people....more »
    145. Anticholinergic syndrome
     Symptoms caused by overdose of anticholinergic drugs....more »
    146. Antihypertensive drug allergy
     Taking antihypertensive drugs (blood pressure-lowering drugs) can cause an allergic response in some people however this is considered rare. It involves the body's immune system overreacting to the drug. The type and severity of symptoms can vary consider...more »
    147. Antisynthetase syndrome
     A rare autoimmune disease that affects the muscles. It involves the development of antibodies to an enzyme (aminoacyl-tRNA synthetase) which is involved in making proteins....more »
    148. Antlophobia
     An exaggerated or irrational fear of floods....more »
    149. Anxiety
     A feeling of apprehension, and fear without apparent stimulus that is associated sometime with somatic responses...more »
    150. Anxiety conditions
     Medical conditions related to anxiety, fear, and panic....more »
    151. Apeirophobia
     An exaggerated or irrational fear of infinity....more »
    152. Apiophobia
     An exaggerated or irrational fear of bees....more »
    153. Aplastic anemia
     A blood disorder where the bone marrow produces insufficient new blood cells....more »
    154. Appendicitis/acute appendicitis/chronic appendicitis
    155. Appian-Plutarch syndrome
     Symptoms caused by excessive doses of a drug called atropine....more »
    156. Apricot seed poisoning
     Apricot seeds contain a chemical called amygdalin which breaks down into cyanide in the human body. The toxic chemicals are not released if the pit remains intact and therefore poisoning usually occurs if the seeds are crushed and eaten. Accidental ingest...more »
    157. Arachibutyrophobia
     An exaggerated or irrational fear of peanut butter sticking to the roof of the mouth....more »
    158. Arachnephobia
     An exaggerated or irrational fear of spiders....more »
    159. Arachnidism
     Poisoning from a spider bite....more »
    160. Arbovirosis
     An infectious disease caused by an arbovirus. The virus is transmitted by arthropods such as insects and ticks. Examples of arboviruses include Yellow Fever, Japanese encephalitis and tick-borne encephalitis. The symptoms may vary depending on the type of...more »
    161. Arbovirus
     Any group of viruses transmitted to humans by mosquitoes and ticks...more »
    162. Arcobacter butzleri infection
     A bacterial infection that involves bacteria from the Arcobacter genus. It tends to cause gastrointestinal symptoms but may also cause blood infections. The bacteria tends to originate in pigs, cattle, sheep and water....more »
    163. Arcobacter cryaerophilus infection
     A bacterial infection that involves bacteria from the Arcobacter genus. It tends to cause gastrointestinal symptoms but may also cause blood infections. The bacteria tends to originate in pigs, cattle, sheep and water....more »
    164. Arcobacter infection
     A bacterial infection that involves bacteria from the Arcobacter genus. It tends to cause gastrointestinal symptoms but may also cause blood infections. The bacteria tends to originate in pigs, cattle, sheep and water....more »
    165. Arenavirus
     A genus of viruses of the family Arenaviridae...more »
    166. Arenaviruses
     Rare viral infection usually caught from rodents....more »
    167. 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 »
    168. Arterial insufficiency
     When amount of blood flowing through an artery is insufficient to meet the needs of the tissue....more »
    169. Arteriosclerosis Obliterans
     Arteriosclerosis that results in the narrowing and gradual blockage of the artery. Arteriosclerosis involves the deposition of cholesterol plaques and other material on the inside of the artery walls. The symptoms will depend on the location of the arteri...more »
    170. Arteritis
     Inflammation of an artery...more »
    171. Artery conditions
     Any conditions affecting arteries...more »
    172. Ascaridida Infections
     Infection with parasitic nematodes from the Ascaridida family. Specific infections include ascariasis, toxoscariasis and anisakiasis. Symptoms may vary depending on the specific nematode involved and the location of the infection....more »
    173. Ascaris lumbricoides
     Common roundworm infecting human intestines. Causing restlessness, fever, diarrhea....more »
    174. Aseptic abscesses syndrome
     A rare syndrome involving the development of deep, sterile lesions containing neutrophils. The lesions don't respond to antibiotics but do respond to corticosteroid therapy. The abscesses usually occur in the abdomen and are often associated with conditio...more »
    175. Aspergillosis
     Infection with a fungus called Aspergillus....more »
    176. Asrar-Facharzt-Haque syndrome
     A form of sinus histiocytosis characterized by lymphadenopathy as well as involvement of other tissues such as the sinus cavity, skin, lungs, bone, eyes, kidneys, testes, head and neck area and the central nervous system. Symptoms vary according to the or...more »
    177. Asthenophobia
     An exaggerated or irrational fear of weakness or fainting....more »
    178. Asthma
     Repeated attacks of breathing difficulty....more »
    179. Astraphobia
     An exaggerated or irrational fear of lightning and thunder....more »
    180. Astrophobia
     An exaggerated or irrational fear of stars and celestial space....more »
    181. Astroviruses
    182. 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 »
    183. 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 »
    184. Atelophobia
     An exaggerated or irrational fear of imperfection....more »
    185. Atenolol -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Atenolol during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exp...more »
    186. Atephobia
     An exaggerated or irrational fear of ruin....more »
    187. Athyrotic hypothyroidism sequence
     A rare congenital disorder characterized by a thyroid gland defect....more »
    188. Atorvastatin -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Atorvastatin during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of...more »
    189. 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 »
    190. Aulophobia
     An exaggerated or irrational fear of flutes....more »
    191. Aurophobia
     An exaggerated or irrational dislike of gold....more »
    192. Auroraphobia
     An exaggerated or irrational fear of Auroral lights....more »
    193. Austrian syndrome
     A condition where alcoholism is associated with heart failure and pneumococcal meningitis....more »
    194. 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 »
    195. Autoimmune Myocarditis
     Inflammation of the heart muscle due to the body's own immune system attacking it....more »
    196. Autoimmune diseases
     A group of disorders in which the primary cause is the an inflammatory reaction caused by the body's own immune system attacking tissues...more »
    197. Autoimmune oophoritis
     An autoimmune condition where the body's own immune system attacks the ovaries and causes them to become inflamed. It can lead to ovarian function stopping prematurely....more »
    198. Autoimmune orchitis
     A inflammation of the testicles caused by an autoimmune reaction...more »
    199. Automysophobia
     An exaggerated or irrational fear of being dirty....more »
    200. Autonomic Dysreflexia
     A complication of spinal cord injury where a particular stimulus can trigger an excessive response from the autonomic nervous system which causes blood pressure to rise - sometimes to dangerous levels. Stimuli that can trigger the response include bladder...more »
    201. Autophobia
     An exaggerated or irrational fear of being egotistical or being by oneself....more »
    202. Azathioprine -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Azathioprine 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 »
    203. B-cell lymphomas
     A group cancers involving the proliferation of lymphocytic B-cells. Examples include small lymphocytic lymphoma, immunoblastic lymphoma and lymphoblastic lymphoma....more »
    204. BK virus infection
     A type of polyomavirus that infects most people but generally causes no symptoms. However, that virus may be reactivated when a patient receives immunosuppressive therapy following an organ transplant....more »
    205. Babesiosis
     A parastic infection by a particular protozoa (Babesia) which is transmitted through tick bites. The disease produces symptoms similar to malaria....more »
    206. Bacillophobia
     An exaggerated or irrational fear of missiles....more »
    207. Back tumour
     The presence of tumour growth in the vertebra, whether due to primary malignancies e.g. leukaemic or myeloma infiltration of the bone marrow, or due to secondary metastases from another site e.g. lung or breast....more »
    208. Bacteremia
     A condition where there is the presence of bacteria in the blood...more »
    209. Bacterial appendicitis
     Appendicitis is inflammation of the inner lining of the vermiform appendix that spreads to its other parts. Appendicitis may occur for several reasons, such as an infection of the appendix, but the most important step is the obstruction of the appendiceal...more »
    210. Bacterial diseases
     Diseases caused by a bacterial infection...more »
    211. Bacterial endocarditis
     Infection and inflammation of the inner layers of the heart, most commonly the valves cause by bacteria....more »
    212. 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 »
    213. Bacterial septicemia
     Sepsis of the bloodstream caused by bacteraemia....more »
    214. Bacterial toxic-shock syndrome
     A very rare, potentially fatal infection caused by toxins produced by bacteria, especially bacteria such as Staphylococcus aureus or Streptococcus pyogenes. The condition is often associated with tampon use but can originate from other sources....more »
    215. Bacteriophobia
     An exaggerated or irrational fear of bacteria....more »
    216. Bagassosis
     Inhalation of sugarcane dust particles in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to th...more »
    217. Bagassosis -- Thermoactinomyces sacchari
     Inhalation of sugarcane dust particles contaminated with fungus (Thermoactinomyces sacchari) in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result fr...more »
    218. Balantidiasis
     Intestinal infection with a parasitic protozoa (Balantidium coli) resulting in intestinal inflammation. It is usually transmitted through direct or indirect contact with pig fecal matter....more »
    219. Bar's syndrome
     A rare type of bacterial infection that tends to occur in pregnant women. It manifests as pain in the gallbladder, ureter or appendix area as well as fever and bacteria in the urine....more »
    220. Barbiturate abuse
     Abuse of barbiturate medications...more »
    221. Barley Worker's disease -- Aspergillus spp.
     Inhalation of barley particles contaminated with fungus (Aspergillus spp.) in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immu...more »
    222. Barmah Forest virus
     Mosquito-borne virus in parts of Australia...more »
    223. Barophobia
     An exaggerated or irrational fear of gravity....more »
    224. Bartonella
     A class of bacteria that can infect humans at a range of different sites. The most well known is Cat Scratch Disease, caused by B.henselae....more »
    225. Bartonella infections
     Infection with bacteria from the Bartonella genus of bacteria. Specific bacteria from within this group are Bartonella bacilliforms (Oroya fever), Bartonella Heneslae (Cat-scratch disease). Other conditions caused by this bacteria are endocarditis, bacter...more »
    226. Bartonellosis due to Bartonella quintana infection
     A disease caused by infection with Bartonella quintana which are transmitted by the body louse. It causes trench fever but may also result in septicemia and endocarditis in patients with a weakened immune system....more »
    227. Bartter's syndrome, antenatal type 1
     A rare genetic kidney disorder that causes hypokalemia. A defect in the NKCC2 gene impairs the functioning of the Na-Cl cotransporter and leads to electrolyte imbalance. The rate of death is high prior to diagnosis....more »
    228. Bartters syndrome, antenatal , type 2
     A rare genetic kidney disorder that causes hypokalemia. A defect in the ROMK gene impairs the ATP-regulated potassium channel functioning and leads to electrolyte imbalance....more »
    229. Bathmophobia
     An exaggerated or irrational fear of walking....more »
    230. Bathophobia
     An exaggerated or irrational fear of depths. This can include a fear of lakes or long hallways....more »
    231. Batophobia
     An exaggerated or irrational fear of passing high buildings....more »
    232. Batrachophobia
     An exaggerated or irrational fear of frogs or toads....more »
    233. Bearn-Kunkel syndrome
     A type of autoimmune liver disease characterized by liver damage, very high blood gammaglobulin levels and increased plasma cells....more »
    234. Belonephobia
     An exaggerated or irrational fear of pins and needles....more »
    235. Bernard syndrome
     A familial condition characterized by acute anemia, jaundice, hemoglobinuria and destruction of red blood cells. Acute symptoms may follow an episode of fever, abdominal pain, vomiting, malaise and joint pain....more »
    236. 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 »
    237. Besnier-Boeck-Schaumann disease
     A rare disease where inflammatory granular nodules form in various organs....more »
    238. Betaxolol -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Betaxolol during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of ex...more »
    239. Bibliophobia
     An exaggerated or irrational fear of books....more »
    240. Bile Duct Cancer
     A malignancy arising in the bile ducts of the liver...more »
    241. Bile Duct Conditions
     An inflammatory bacterial infection that affects the meninges...more »
    242. Bile duct cancer, extrahepatic
     A rare cancer that develops in the part of the common bile duct that is outside the liver. The common bile duct channels bile from the gall bladder (which stores bile) and the liver (which makes bile) to the small intestine to assist digestion....more »
    243. Biliary disorder
     Any condition affecting the bile ducts...more »
    244. Biliary tract cancer
     Cancer that develops in the gallbladder or bile ducts....more »
    245. Bird cherry seed poisoning
     Wild cherry seeds contain a chemical called amygdalin which breaks down into cyanide in the human body. The toxic chemicals are not released if the seed remains intact and therefore poisoning usually occurs if the seeds are crushed and eaten. Accidental i...more »
    246. Bird flu (avian influenza)
     Bird flu refers to influenza A invection. Influenza A is a viral respiratory infection that can usually occurs in birds (especially poultry) but can be transmitted to humans and cause serious illness. The virus is contagious and can cause severe illness e...more »
    247. Bitter almond seed poisoning
     Bitter almond seeds contain a chemical called amygdalin which breaks down into cyanide in the human body. Accidental ingestion is very unusual. Bitter almond plants grow mainly in Northern America. Various processes can be used to leach the toxic chemical...more »
    248. Black locust poisoning
     The black locust is a large deciduous tree which has long clusters of scented flowers and flat fruit pods. The young leaves, seeds and inner bark contain various chemicals (robin, robinine and robitin) which can be toxic if large quantities are eaten. The...more »
    249. 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 »
    250. Blast crisis
     The final phase of chronic myeloid leukemia which has a high mortality rate. Myeloid leukemia is a form of cancer where the bone marrow makes too many myeloid cells (granulocytes and their precursors) in the bone marrow which accumulates in the blood and ...more »
    251. Blastomycosis
     A fungal infection caused by Blastomyces dermatitidis and resulting in lung, skin, bone and genitourinary involvement....more »
    252. Bleeding Heart poisoning
     Bleeding heart is a vine plant that can cause skin reactions on exposure and systemic symptoms such as convulsions if eaten. The leaves and roots are the most toxic parts of the plant and contain a toxic chemical called isoquinoline. Large amounts of the ...more »
    253. Blue Diaper Syndrome
     A rare metabolic disorder characterized by vision problems, bluish urine, fever and digestive anomalies....more »
    254. Bogyphobia
     An exaggerated or irrational fear of demons and goblins....more »
    255. Boil
     Infected puseous hair follicle on the skin...more »
    256. 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 »
    257. Bone Marrow Conditions
     Medical conditions affecting the bone marrow...more »
    258. Bone and cartilage tumors
     Any tumors affecting the bones or cartilage, including both cancerous and benign tumors....more »
    259. Bone cancer
     Malignancy that occurs in the bone...more »
    260. 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 »
    261. Bornholm disease
     Contagious viral infection...more »
    262. Borreliosis
     An infectious bacterial disorder that is transmitted by ticks and causes skin rashes joint swelling and other symptoms similar to the flu....more »
    263. Borries syndrome
     Localized brain inflammation without the production of pus....more »
    264. Bortonneuse fever
     A mild infectious disease caused by the bacterium Rickettsia Conorrii. The disease is transmitted by a dog tick (Riphicephalus sanguineus) and is most common in countries bordering the Mediterranean Sea. Incubation usually takes about one week....more »
    265. Bowel bypass syndrome
     An illness that occurs in patients who have had bowel bypass surgery to treat obesity. The illness can occur days or even years after the operation. As many as a fifth of patients who undergo the operation may suffer the illness. It is believed to be caus...more »
    266. Bowel strangulation
     Twisting of the bowel often around fibrous bands, causing decreased blood supply and death of bowel tissue....more »
    267. Bowel-associated dermatosis-arthritis syndrome
     An illness that sometimes occurs in people with gastrointestinal diseases. It is believed to be caused by a build up of bacteria in a pouch in the bowel which triggers the immune system into action....more »
    268. Box Jellyfish poisoning
     A sting from the Box jellyfish contains a chemical which is toxic to the nerves, heart and skin. This jellyfish is mainly found in the waters of Northern Queensland in Australia. The tentacles should not be removed from the patient as it can cause further...more »
    269. Bracken fern poisoning
     Bracken fern is a type of fern which contains chemicals (glycoside and thiaminase) and can cause symptoms if eaten. The plant is considered to have a relatively low level of toxicity. The new leaf growths (fiddleheads) are actually safely edible....more »
    270. Brain abscess
     Pus accumulating into an abscess on the brain...more »
    271. Brain infection
     Infection of the brain including encephalitis...more »
    272. Brainerd diarrhea
     Diarrheal condition of unknown cause....more »
    273. Breast Duct Papilloma
     Benign tumour of the collecting duct of the breast....more »
    274. Breast abscess
     Pus-filled abscess in the breast...more »
    275. Breast cancer stages: 0, I, II, III, IV
     Cancer stage is based on the size of the tumor, whether the cancer is invasive or non-invasive, whether lymph nodes are involved, and whether the cancer has spread beyond the breast. p>Stage 0- is used to describe non-invasive breast cancers, such as DCI...more »
    276. Brennemann syndrome
     A condition that can occur in young children after a respiratory tract infection. It primarily involves inflammation and swelling of the lymph glands in the abdomen, fever, vomiting and nausea....more »
    277. Brennemann's syndrome
     Abdominal symptoms that can result from an upper respiratory infection. The abdominal symptoms are caused by inflammation of the abdominal lymph nodes. The condition is most likely to occur in children....more »
    278. Brill disease
     A form of recurring typhus caused by a bacterium called Rickettsia prowazekii and transmitted by lice. The illness may occur years after the initial sickness and tends to be not as severe....more »
    279. Broad bean poisoning
     The broad bean is a vine which produces pea-like flowers and long, seed-filled pods. The seeds can be very toxic and can result in death if eaten. This toxic reaction only occurs to certain susceptible people who are unable to process certain chemicals in...more »
    280. Bromidrosiphobia
     An exaggerated or irrational fear of having unpleasant body odor....more »
    281. Bronchiectasis
     Chronic bronchiole dilation from secretions and blockages....more »
    282. Bronchiolitis
     Inflammation of the bronchioles....more »
    283. Bronchiolitis obliterans organizing pneumonia
     Inflammation of lung tissue (bronchioles and surrounding tissue) which may occur on its own or as a result of other conditions such as certain infections....more »
    284. Bronchitis
     Bronchitis is an inflammation of the air passages within the lungs. It occurs when the trachea and the large and small bronchi within the lungs become inflamed...more »
    285. Bronchogenic carcinoma
     When cells of the lung start growing rapidly in an uncontrolled manner, the condition is called lung cancer ....more »
    286. Bronchopulmonary dysplasia
     A rare form of infant lung disease that usually occurs as a complication of ventilator use in premature babies....more »
    287. Brown Recluse spider poisoning
     The Brown Recluse spider is poisonous and is found mainly in southern and central areas of the US....more »
    288. Brown-Symmers disease
     A rare form of brain inflammation that occurs in children and can quickly lead to death. Symptoms usually start suddenly....more »
    289. Brucellosis
     An infectious disease caused by the Brucella genus which is transmitted from animals to humans....more »
    290. Bruch's disease
     An infectious disease that is caused by Rickettsia conorii which is transmitted by the brown dog tick (Rhipicephalus sanguineus). The disease occurs predominantly in Mediterranean areas such as India and Africa. The onset of symptoms is usually sudden and...more »
    291. Bullis fever syndrome
     A disease transmitted through tick bites (Ambylomma americanum). Symptoms include fever, rash and headache. The disease was first observed in soldiers training at Camp Bullis in America....more »
    292. Bullous Pemphigoid
     A chronic skin disorder characterized blistering of the skin which usually occurs on the joints, abdomen, armpit and groin areas....more »
    293. Bullous systemic lupus erythematosus
     A blistering disease that can develop in patients with systemic lupus erythematosus (SLE). The process is mediated by autoantibodies....more »
    294. Bunyavirus
     Virus of the family bunyaviridae....more »
    295. Burkholderia pseudomallei
     Gram negative, aerobic, motile rod shaped bacterium....more »
    296. Bursitis
     Inflammation of one or more bursae (small sacs) of synovial fluid in the body....more »
    297. Bwamba virus
     A viral illness caused by a species of bunyavirus and transmitted by mosquitoes. The main symptom is fever and it is often mistaken for malaria. Symptoms generally persist for 5 to 7 days. The virus is most common in East Africa....more »
    298. CML-Like Syndrome, Familial
     A very rare condition characterized by symptom similar to myelocytic leukemia that develop during infancy. The condition can result in death during the first years of life....more »
    299. CRMO, juvenile
     A rare chronic inflammatory bone disease that occurs in children. The symptoms go into periods of remission only to return. The most common sites for the inflammation are the shinbone, thighbone and collarbone with usually several sites being affected at ...more »
    300. Cainophobia
     An exaggerated or irrational fear of novelty....more »
    301. California encephalitis
     An uncommon mosquito born virus (California encephalitis virus) which can cause brain inflammation in humans. The severity of symptoms is variable. The incubation period can last from a few days to a week. Infants and children tend to be more severely aff...more »
    302. Callistin shellfish poisoning
     The Callistin shellfish (Japanese Callista) is found primarily in Japan. Eating the whole shellfish can cause poisoning symptoms in humans. It is believed that the ovaries contain high levels of choline during spawning season which makes them toxic to hum...more »
    303. Campylobacter fetus infection
     Campylobacter fetus is a food borne bacterial infection which may vary in severity from mild to severe. The bacteria are opportunistic and mainly affect debilitated patients but can also occur in healthy patients. Abortion due to blood infection in the fe...more »
    304. Campylobacter food poisoning
     Common bacterial infection usually from chicken....more »
    305. Campylobacter hylointestinalis infection
     Campylobacter hyloinstesinalis is a food borne bacterial infection which may cause mild to severe gastroenteritis. Cattle, pigs, hamsters and deer are the main source of this bacteria....more »
    306. Campylobacter jejuni
     Rod shaped bacteria causing diarrhea....more »
    307. Campylobacter jejuni infection
     Campylobacter jejuni infection is a common food borne bacterial infection which may vary in severity from mild to severe. Death can occur in severe cases but tends to occur in patients with other existing illnesses such as HIV, cancer or liver disease. Th...more »
    308. Campylobacter jejuni subspecies doylei infection
     A bacterial infection that involves bacteria from the Campylobacter family. It tends to cause gastrointestinal symptoms....more »
    309. Campylobacter laridis infection
     Campylobacter laridis is a food borne bacterial infection which may cause mild to severe gastroenteritis in healthy individuals and blood infection in immunocompromised patients....more »
    310. Cancer
     Abnormal overgrowth of body cells....more »
    311. Cancer of Unknown Primary Site
     Metastatic cancer whose original source is unknown....more »
    312. Cancerophobia
     An exaggerated or irrational fear of cancer....more »
    313. Cancerphobia
     An exaggerated or irrational fear of cancer....more »
    314. Candida esophagitis
     Candida esophagitis is a fungal or yeast infection of the esophagus. It generally occurs secondary to a fungal infection of the mouth and primarily affects patients with poor immune system function....more »
    315. Carcinomatophobia
     An exaggerated or irrational fear of cancer....more »
    316. Carcinomophobia
     An exaggerated or irrational fear of cancer....more »
    317. Carcinophobia
     An exaggerated or irrational fear of cancer....more »
    318. Cardiophobia
     An exaggerated or irrational fear of heart disease....more »
    319. Caroli Disease
     A rare disorder where the bile ducts inside the liver become enlarged resulting in infection, irritation and gallstone formation....more »
    320. Castellani syndrome
     A rare syndrome characterized by fever, arthritis and enlarged kidney and liver. The fever may fluctuate or come and go. It is most often seen in middle aged males....more »
    321. Cat bite
     Bite from a cat....more »
    322. Cat scratch disease
     An infectious disease transmitted through a cat's bite, scratch or lick and resulting primarily in lymph node pain and swelling. The condition can be mild or severe....more »
    323. Catastrophic Antiphospholipid Syndrome
     A very rare disorder where the blood clotting system becomes dysfunctional and clots too easily due to the abnormal presence of antphospholipid antibodies. It results in blood flow blockages to various body organs. It is possible that the condition has au...more »
    324. Caterpillar complication poisoning
     The spines on certain caterpillars can cause a skin reaction as well as systemic symptoms if ingested. The nature of the symptoms vary depending on the species of caterpillar involved. Some only produce skin reactions whereas others can produce systemic s...more »
    325. Catheter infection
     Infection due to an inserted catheter...more »
    326. 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 »
    327. Cathisophobia
     An exaggerated or irrational fear of sitting down....more »
    328. Catoptrophobia
     An exaggerated or irrational fear of mirrors....more »
    329. Ceftazidime -- Teratogenic Agent
     There is evidence to indicate that exposure to Ceftazidime (an antibiotic) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the ...more »
    330. Cellulitis
     Inflammation of skin or subcutaneous tissues....more »
    331. Celtophobia
     An exaggerated or irrational fear of Celts....more »
    332. Cenophobia
     An exaggerated or irrational fear of a void or open spaces....more »
    333. Central line infection
     Infection at the site of a central line in medical care....more »
    334. Central nervous system infections
    335. Central nervous system protozoal infections
     A protozoal infection of the central nervous system (spinal cord or brain). The infection may originate in the central nervous system (primary infection) or may spread from another part of the body (secondary infection). The infection may occur in otherwi...more »
    336. Centriacinar Emphysema
     The abnormal permanent enlargement of air spaces distal to the terminal bronchioles, accompanied by the destruction of the walls and without obvious fibrosis. It begins in the respiratory bronchioles and spreads peripherally...more »
    337. 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 »
    338. Cephalothoracic progressive lipodystrophy
     A rare acquired disorder that involves adipose tissue abnormalities and is characterized by loss of adipose tissue mainly in the trunk and arms....more »
    339. Ceptaz -- Teratogenic Agent
     There is evidence to indicate that exposure to Ceptaz (an antibiotic) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level...more »
    340. Ceraunophobia
     An exaggerated or irrational fear of thunder and lightning....more »
    341. Cerebellar abscess
     An abscess that forms in the part of the brain called the cerebellum. The abscess may result from other infections such as ear infections, dental abscess and lung infections. The prognosis is determined by the size and exact location of the abscess...more »
    342. Cerebral abscess
     An abscess that forms in the part of the brain called the cerebrum. The abscess may result from other infections such as ear infections, dental abscess and lung infections. The prognosis is determined by the size and exact location of the abscess....more »
    343. Cerebral hemorrhage
     Bleeding in the brain...more »
    344. Cerebral malaria
     Infection of the cerebrum cause by protozoa of the genus plasmodium....more »
    345. Cerivastatin -- Teratogenic Agent
     There is evidence to indicate that exposure to Cerivastatin (a statin medication) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected ...more »
    346. Chaetophobia
     An exaggerated or irrational fear of hair....more »
    347. Chagas disease
     A parasitic infection caused by the protozoa Trypanosoma cruzi and transmitted by insect bites or blood transfusions. The disease primarily involves the heart and gastrointestinal system....more »
    348. Chediak-Higashi Syndrome
     An inherited immune system disorder characterized by reduced pigmentation, recurrent infection and neurological disorders....more »
    349. Chediak-Higashi like syndrome
     A rare genetic disorder characterized mainly by albinism (lack of pigmentation). There are three different subtypes of the disorder (I, II and III) each with varying additional features such as immunodeficiency and neurological symptoms. Type 1 involves p...more »
    350. Cheese Washer's lung
     Inhalation of cheese particles contaminated with bacteria in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reactin...more »
    351. Cheese Washer's lung -- Penicillium spp.
     Inhalation of cheese particles contaminated with bacteria (Penicillium spp.) in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's im...more »
    352. Cheimatophobia
     An exaggerated or irrational fear of cold....more »
    353. Chemical pneumonia
     Lung inflammation from inhaled chemicals...more »
    354. Chemical poisoning
     Morbid condition caused by chemical....more »
    355. Chemical poisoning -- Allyl chloride
     Allyl chloride is a chemical used mainly in the manufacture of epichlorohydrin and glycerin but is also used in the production of products such as polyester, varnish plastic adhesive, insecticides, perfumes and pharmaceuticals. Ingestion and other exposur...more »
    356. 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 »
    357. Chemical poisoning -- Arsine
     Arsine is a chemical used in the making of semiconductors and in the metal refining industry. It is considered a possible chemical agent in chemical warfare. The type and severity of symptoms varies depending on the amount of chemical involved and the nat...more »
    358. Chemical poisoning -- Boric Acid
     Boric Acid is a chemical used mainly in foods (preservative, emulsifier, neutralizer), antiseptics, pesticides and contact lens cleaners. Ingestion and other exposures to the chemical can cause various symptoms. Application of boric acid directly to damag...more »
    359. Chemical poisoning -- Button batteries
     Button batteries are small round, button-shaped batteries used in various products such as watches and calculators. Generally, swallowing the batteries will cause no problems unless it becomes stuck in the gastrointestinal tract. The batteries may also be...more »
    360. Chemical poisoning -- Cadmium
     Cadmium is a chemical used mainly in batteries, solder, amalgams, cigarettes, PVC pigments and phosphate fertilizer production. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on...more »
    361. 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 »
    362. Chemical poisoning -- Diborane
     Diborane is a chemical used mainly as a rocket propellant and in the manufacture of rubbers and electronics manufacture. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    363. Chemical poisoning -- Dimethylnitrosamine
     Dimethylnitrosamine is a chemical used mainly as a solving in the manufacture of plastics, rubbers, lubricants and rocket fuel. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on...more »
    364. Chemical poisoning -- Dinitrocresol
     Dinitrocresol is a chemical used mainly as a herbicide and fungicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exp...more »
    365. 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 »
    366. Chemical poisoning -- Glufosinate
     Glufosinate is a chemical used mainly in herbicides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    367. Chemical poisoning -- Imazapyr
     Imazapyr is a chemical used mainly in herbicides. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    368. 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 »
    369. Chemical poisoning -- Manganese
     Manganese is a chemical used mainly in fertilizers, welding rods, matches, electrical coils, ceramics and animal food additives. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending o...more »
    370. 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 »
    371. 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 »
    372. 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 »
    373. 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 »
    374. Chemical poisoning -- Pentachlorophenol
     Pentachlorophenol is a chemical used mainly in fungicides, herbicides, insecticides, molluscicides, algicides and bactericides. It is commonly used as a wood preservative. Ingestion and other exposures to the chemical can cause various symptoms. The type ...more »
    375. 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 »
    376. 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 »
    377. Chemical poisoning -- Selenium
     Selenium is a chemical element used mainly as an industrial catalyst, in glass and ceramic manufacturing, as an animal feed additive, in photography and in the electronics industry. Ingestion and other exposures to the chemical can cause various symptoms....more »
    378. Chemical poisoning -- Silver
     Silver is a chemical used mainly in electric products and photography. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the ex...more »
    379. Chemical poisoning -- Tin
     Tin is an element used mainly in steel can coatings, copper wire coating and solder, bronze and pewter. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical ...more »
    380. Chemical poisoning -- Trimellitic Anhydride
     Trimellitic Anhydride is a chemical used mainly in the manufacturing process of paint, plastics, polyester resins and as a curing agent for epoxy and other resins. Ingestion and other exposures to the chemical can cause various symptoms. The type and seve...more »
    381. Chemical poisoning -- Turpentine Oil
     Turpentine Oil is a chemical used mainly as a solvent, paint thinner and various other applications such as deodorizing fragrances and antiseptics. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms...more »
    382. Chemical poisoning -- Vanadium
     Vanadium is an element used mainly in steel alloys but is also used in glass coatings, electric fuel cells and other applications. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending...more »
    383. Chemical worker's lung (Ammonia)
     Inhalation of a chemical called Ammonia in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to t...more »
    384. Chemical worker's lung (Chlorine)
     Inhalation of a chemical called Chlorine in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to ...more »
    385. Chemical worker's lung (Formalin vapours)
     Inhalation of a chemical called Formalin vapours in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to expo...more »
    386. Chemical worker's lung (Hydrogen Sulfide)
     Inhalation of a chemical called Hydrogen Sulfide in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to expo...more »
    387. Chemical worker's lung (Methylene Diisocyanate)
     Inhalation of a chemical called Methylene Diisocyanate in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting t...more »
    388. Chemical worker's lung (Nitrogen dioxide)
     Inhalation of a chemical called Nitrogen dioxide in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to expo...more »
    389. Chemical worker's lung (Ozone)
     Inhalation of a chemical called Ozone in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to the...more »
    390. Chemical worker's lung (Phosgene)
     Inhalation of a chemical called Phosgene in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to ...more »
    391. Chemical worker's lung (Sulfur dioxide)
     Inhalation of a chemical called Sulfur dioxide in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposu...more »
    392. Chemical worker's lung (Trimellitic anhydride)
     Inhalation of a chemical called trimellitic anhydride)in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to...more »
    393. Chemical worker's lung -- Lacquer
     Inhalation of a lacquer (which contains isocyanates) in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to ...more »
    394. Chemical worker's lung -- Varnish
     Inhalation of a varnish (which contains isocyanates) in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to ...more »
    395. Cherophobia
     An exaggerated or irrational fear of gaiety....more »
    396. Cherry laurel seed poisoning
     Wild cherry seeds contain a chemical called amygdalin which breaks down into cyanide in the human body. The toxic chemicals are not released if the seed remains intact and therefore poisoning usually occurs if the seeds are crushed and eaten. Accidental i...more »
    397. Cherry seed poisoning
     Cherry seeds contain a chemical called amygdalin which breaks down into cyanide in the human body. The toxic chemicals are not released if the seed remains intact and therefore poisoning usually only occurs if the seeds are crushed and eaten. Accidental i...more »
    398. Chest Cold
     Acute lower respiratory infection caused by virus...more »
    399. Chickenpox
     Common viral infection....more »
    400. Chikungunya
     A rare viral disease usually transmitted by mosquitoes and characterized by fever, rash and severe arthritis....more »
    401. Chinophobia
     An exaggerated or irrational fear of snow....more »
    402. Chlamydia
     Common sexually transmitted disease often without symptoms....more »
    403. Chlamydia pneumoniae
     Specific bacterial type of pneumonia...more »
    404. 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 »
    405. Chloroma
     A rare type of tumor that develops from myeloid cells (type of immature white blood cell) and tends to usually have a greenish color. The tumor is essentially a localized solid collection of leukemic cells that occurs outside the bone marrow. It can occur...more »
    406. Chloromyeloma
     A rare type of tumor that develops from myeloid cells (type of immature white blood cell) and tends to usually have a greenish color. The tumor is essentially a localized solid collection of leukemic cells that occurs outside the bone marrow. It can occur...more »
    407. Chlorpheniramine -- Teratogenic Agent
     There is evidence to indicate that exposure to Chlorpheniramine (an antihistamine medication) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may ...more »
    408. Chlortetracycline -- Teratogenic Agent
     There is evidence to indicate that exposure to Chlortetracycline (an antibiotic) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected b...more »
    409. Chokecherry seed poisoning
     Chokecherry seeds contain a chemical called amygdalin which breaks down into cyanide in the human body. The toxic chemicals are not released if the seed remains intact and therefore poisoning usually occurs if the seeds are crushed and eaten. Accidental i...more »
    410. Cholangitis
     bile duct inflammation (cholangitis)...more »
    411. Cholecystitis
     Inflammation of the gallbladder which concentrates and stores bile. The condition may occur suddenly (acute) or persist over a longer period of time (chronic)....more »
    412. Cholera
     An acute bacterial disease transmitted through food or water contaminated with human faeces. The intestinal infection is caused by the bacterium Vibrio cholerae....more »
    413. Cholerophobia
     An exaggerated or irrational fear of cholera....more »
    414. Cholestasis, progressive familial intrahepatic 3
     A rare inherited condition where bile is unable to drain from the liver where it builds up and causes progressive liver damage. The condition has an early onset and usually leads to end-stage liver disease by the end of the second decade. The various type...more »
    415. Chrematophobia
     An exaggerated or irrational fear of wealth....more »
    416. Chrometophobia
     An exaggerated or irrational fear of money....more »
    417. Chromophil renal cell carcinoma
     A type of kidney tumor where the cells that make up the tumor take up dye readily during pathology testing....more »
    418. Chromophobe renal cell carcinoma
     A rare type of kidney tumor. The cells that make up the tumor tend to be clear and do not readily take up dye during pathology analysis. Metastasis often only occurs late in the course of the disease and surgical removal usually leads to a good prognosis....more »
    419. Chromophobia
     An exaggerated or irrational fear of colors....more »
    420. Chromosome 11, deletion 11p
     A syndrome that is caused by the deletion of short arm (p) of chromosome 11. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is deleted....more »
    421. Chronic Airway Obstruction
     Chronic airway obstruction is a type of pulmonary disorder, such as emphysema or chronic bronchitis, in which the upper or lower airway is chronically obstructed....more »
    422. Chronic Bronchitis
     Chronic bronchitis is a chronic inflammation of the bronchi (medium-size airways) in the lungs....more »
    423. Chronic Fatigue Syndrome
     Severe chronic fatigue disorder often following infection....more »
    424. Chronic Granulomatous Disease
     A very rare inherited blood disorder where certain cells involved with immunity (phagocytes) are unable to destroy bacteria and hence the patient suffers repeated bacterial infections....more »
    425. 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 »
    426. Chronic Infectious Diarrhoea
     It may be defined as diarrhea caused by an infection of the digestive system by a bacterium, virus, or parasite that results in frequent bowel motions producing excessive amounts of liquidy feces....more »
    427. Chronic Lymphocytic Leukemia, Susceptibility to
     A cancer of the blood and bone marrow where too many abnormal lymphocytes (white blood cells) are produced which eventually crowds out healthy blood cells in the body. Researchers have discovered a link between a number of genetic defects and increased su...more »
    428. Chronic Lymphocytic Leukemia, Susceptibility to, 1
     A cancer of the blood and bone marrow where too many abnormal lymphocytes (white blood cells) are produced which eventually crowds out healthy blood cells in the body. Researchers have discovered a link between a number of genetic defects and increased su...more »
    429. Chronic Lymphocytic Leukemia, Susceptibility to, 2
     A cancer of the blood and bone marrow where too many abnormal lymphocytes (white blood cells) are produced which eventually crowds out healthy blood cells in the body. Researchers have discovered a link between a number of genetic defects and increased su...more »
    430. Chronic Lymphocytic Leukemia, Susceptibility to, 3
     A cancer of the blood and bone marrow where too many abnormal lymphocytes (white blood cells) are produced which eventually crowds out healthy blood cells in the body. Researchers have discovered a link between a number of genetic defects and increased su...more »
    431. Chronic Lymphocytic Leukemia, Susceptibility to, 4
     A cancer of the blood and bone marrow where too many abnormal lymphocytes (white blood cells) are produced which eventually crowds out healthy blood cells in the body. Researchers have discovered a link between a number of genetic defects and increased su...more »
    432. Chronic Lymphocytic Leukemia, Susceptibility to, 5
     A cancer of the blood and bone marrow where too many abnormal lymphocytes (white blood cells) are produced which eventually crowds out healthy blood cells in the body. Researchers have discovered a link between a number of genetic defects and increased su...more »
    433. Chronic Myeloproliferative Disease, Unclassified
     A form of blood disorder characterized by the abnormal proliferation of myeloid precursors in the bone marrow. This category refers to cases of myeloproliferative disease which don't fit into any of the other specific type of myelproliferative diseases....more »
    434. 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 »
    435. Chronic adult T-Cell leukemia
     A form of blood cancer affecting the T-cells which make up the body's immune system. The disease is caused by the HTLV-1 virus (human T-cell leukemia virus) which causes the proliferation of abnormal T-cells. The virus can be transmitted sexually and may ...more »
    436. 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 »
    437. Chronic berylliosis
     A condition that results from long term exposure to beryllium in the form of dust or fumes. The lungs, skin eyes or blood may be affected....more »
    438. Chronic digestive conditions
     The chronic digestive conditions include Bowel Cancer, Coeliac Disease, Constipation, Diarrhoea, Diverticular disease, Flatulence, Haemorrhoids, Indigestion and heartburn, Inflammatory Bowel Disease (Crohn's Disease and ulcerative colitis), Irritable Bowe...more »
    439. Chronic infections
     Ongoing and often slow progressing infection; opposite to acute infections....more »
    440. Chronic laryngotracheitis
     It is inflammation of the mucous membrane lining the larynx, which is located in the upper part of the respiratory tract and the trachea which may cause respiratory obstruction....more »
    441. Chronic leukemia
     Leukemia in which the cell line is well differentiated, usually B lymphocytes....more »
    442. Chronic lymphocytic leukemia
     A cancer of the blood and bone marrow where too many abnormal lymphocytes (white blood cells) are produced which eventually crowds out healthy blood cells in the body....more »
    443. Chronic myelogenous leukemia
     A slow-growing cancer of the white blood cells where the bone marrow makes too many white blood cells which eventually invade various parts of the body....more »
    444. Chronic myelomonocytic leukemia
     A rare form of malignant bone marrow cancer involving the proliferation of immature precursors of certain blood cells - myelocytes and monocytes. The proliferation is slower than in acute forms of the disease....more »
    445. Chronic necrotizing vasculitis
     Inflammation and destruction of blood vessel walls which leads to death of associated tissue. Symptoms are determined by the extent and location of the blood vessel inflammation. The inflammation possibly has autoimmune origins. It can occur in condition ...more »
    446. Chronic pyelonephritis
     Chronic pyelonephritis is persistent kidney inflammation that can scar the kidneys and may lead to chronic renal failure....more »
    447. Chronophobia
     An exaggerated or irrational fear of time. Prisoners often develop a fear of time passing....more »
    448. Cibophobia
     An exaggerated or irrational fear of food....more »
    449. Ciguatera poisoning
     Rare toxic food poisoning from eating contaminated fish...more »
    450. Cirrhosis of the liver
     Scarring of the liver from alcohol or other causes....more »
    451. Clear cell renal cell carcinoma
     A type of kidney tumor where the cells that make up the tumor are clear....more »
    452. Cleptophobia
     An exaggerated or irrational fear of thieves or of being robbed by thieves....more »
    453. Clinophobia
     An exaggerated or irrational fear of going to bed....more »
    454. 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 »
    455. Cluster headache
     Headache that occurs periodically, with active periods interrupted by spontaneous remissions....more »
    456. Cnidophobia
     An exaggerated or irrational fear of insect stings....more »
    457. Cocaine abuse
     Stimulant drug with various effects...more »
    458. Coccidioidomycosis
     An infectious disease caused by a fungus called Coccidioides immitis which is found in the soil. Transmission usually occurs through inhalation but can rarely occur through the skin. Very rarely, infection can spread throughout the body to involve the ski...more »
    459. Coconut crab poisoning
     The coconut crab is commonly found and eaten as a delicacy in the Indo-Pacific region. These crabs can contain toxic chemicals which can cause severe poisoning in humans if eaten. The toxicity of these crabs is believed to be derived from the ingestion of...more »
    460. Codeine overdose
     Codeine is a prescription drug mainly used to treat pain. Excessive doses of the drug can result in various symptoms and even death in severe cases....more »
    461. Codeine withdrawal
     Symptoms that occur when Codeine use is discontinued or reduced. Codeine is a sedative pain-killer. Symptoms may vary depending on the level of dependence....more »
    462. Coffee Worker's lung
     Inhalation of coffee bean dust in occupational settings can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to small air-bo...more »
    463. Cogan's syndrome
     A disorder primarily involving eye inflammation and hearing impairment and dizziness. Complete deafness usually occurs within a couple of years. The disorder is caused by inflammation of the arteries in the ear. Sometimes arteries in other parts of the bo...more »
    464. Coitophobia
     An exaggerated or irrational fear of sexual intercourse....more »
    465. Colchicine poisoning
     Ingestion of toxic quantities of colchicines. Colchicine is primarily used as a medicinal theapy for conditions such as gout and familial Mediterranean fever, scleroderma, secondary amyloidosis and pericarditis. The chemical is a natural chemical found in...more »
    466. Cold & Flu
    467. 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 »
    468. Cold skin
    469. Collecting duct carcinoma
     A rare, aggressive type of kidney cancer that arises from the kidney collecting ducts. The cancer cells can form irregular tubes....more »
    470. Colonic malakoplakia
     A rare form of inflammatory disease that occurs in the colon and occurs mainly in immunocompromised people. The severity of the disorder can vary from asymptomatic to intestinal obstruction and even death in rare cases....more »
    471. Colorado tick encephalitis
     A viral disease transmitted through the bite of ticks (Rocky Mountain wood tick and American dog tick) who are infected with the virus. Because the virus infects blood cells including erythrocytes, transmission can also occur through transfusion with infe...more »
    472. Colorado tick fever
     A tickborne condition caused by an arenavirus...more »
    473. Cometophobia
     An exaggerated or irrational fear of comets....more »
    474. Compartment Syndrome
     Excessive bleeding or swelling following surgery or injury can result in increased pressure within a section of the arms, legs or buttocks. The increased pressure affects blood flow and can result in tissue death necessitating amputation, nerve damage or ...more »
    475. Congenital Toxoplasmosis
     Fetal infection with toxoplasmosis....more »
    476. Congenital aplastic anemia
     A genetic disorder where the bone marrow does not produce enough blood cells. Fanconi's anemia is an example of congenital aplastic anemia....more »
    477. Congenital disorder of glycosylation type 1K
     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 Ik is caused by a defect on chromosome 16p13.3 a...more »
    478. Congenital malaria
     Fetal infection with malaria....more »
    479. Congenital megalo-ureter
     A birth defect where the ureter is abnormally dilated due to a structural obstruction of the end portion of the ureter....more »
    480. Congenital mumps
     Fetal exposure to the mumps virus during pregnancy. From existing evidence, fetal exposure to mumps rarely proves to be a problem although there have been cases of spontaneous abortion and a heart condition called endocardial fibroelastosis. Infection lat...more »
    481. 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 »
    482. Congenital syphilis
     Syphilis inherited from mother during pregnancy....more »
    483. Congenital tuberculosis
     Fetal infection with tuberculosis...more »
    484. Conor's disease
     An infectious disease that is caused by Rickettsia conorii which is transmitted by the brown dog tick (Rhipicephalus sanguineus). The disease occurs predominantly in Mediterranean areas such as India and Africa. The onset of symptoms is usually sudden and...more »
    485. 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 »
    486. 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 »
    487. 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 »
    488. Copperhead snake poisoning
     The Copperhead snake is a poisonous snake found mainly in parts of North America. The toxicity of the poison varies among species but some species are extremely poisonous and readily result in death if the patient is not treated....more »
    489. Coprophobiaphobia
     An exaggerated or irrational fear of feces or excrement....more »
    490. Coronavirus-related Cold
     A Coronavirus-related cold is a relatively minor contagious infection of the nose and throat caused by the Coronavirus. Although colds can cause discomfort they are not considered a serious condition. Coronaviruses are a significant cause of common colds ...more »
    491. Coulrophobia
     An exaggerated or abnormal fear of clowns. Children are most often affected but teenagers and adults can occasionally be affected as well....more »
    492. Coxsackievirus-related Cold
     A Coxsackievirus-related cold is a relatively minor contagious infection of the nose and throat caused by the Coxsackievirus. Although colds can cause discomfort they are not considered a serious condition....more »
    493. Cremnophobia
     An exaggerated or irrational fear of precipices....more »
    494. Crigler-Najjar syndrome, type 1
     A rare congenital condition involving a total absence of the liver enzyme called glucoronyl transferase which is needed to change bilirubin into a form that can be removed from the body. The bilirubin builds up in the body and causes damage and severe sym...more »
    495. Crisponi syndrome
     A very rare syndrome characterized by excessive muscle contractions in response to stimulus, claw hand, distinctive facial features and fever. Most patients die within months of birth due to complications of hyperthermia but some cases are slowly progress...more »
    496. Crohn's disease
     Crohn's disease causes inflammation of the digestive system. It is one of a group of diseases called inflammatory bowel disease. The disease can affect any area from the mouth to the anus. It often affects the lower part of the small intestine called the ...more »
    497. Crotalidae snake poisoning
     Crotalids are snakes from the Crotalidae family. This group of snakes includes rattlesnakes which are usually found in America. These snakes are easily identified by the "rattle" at the tip of their tails. The toxicity of the venom can vary among species ...more »
    498. Croup
     Respiratory infection with a characteristic cough...more »
    499. Cryophobia
     An exaggerated or irrational fear of extreme cold, frost or ice....more »
    500. Cryptococcal Meningitis
     Cryptococcal meningitis is an infection of the meninges (the membranes covering the brain and spinal cord), caused by the fungus Cryptococcus neoformans....more »
    501. Cryptosporiosis
     Contagious parasitic digestive infection...more »
    502. Crystallophobia
     An exaggerated or irrational fear of glass or crystals....more »
    503. Cutaneous Anthrax
     A skin infection caused by the spores of the anthrax bacteria called Bacillus anthracis. The infection occurs when the spores enter broken skin and result in a small red bump which blisters. The blister ruptures and forms a dark scab over dead tissue....more »
    504. Cutaneous necrotizing vasculitis
     Inflammation and damage of the blood vessel walls that also affects the skin. The condition may occur on its own or as a result of an underlying condition....more »
    505. Cyclic neutropenia
     A rare blood disorder characterized by recurrent periods of extremely low blood levels of neutrophils which results in frequent infections. The low level usually occurs for about 7 days every 21 days. Levels of other blood components may also be affected....more »
    506. Cyclic vomiting syndrome
     A rare disorder involving repeated cyclic episodes of vomiting which occur for no obvious reason....more »
    507. 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 »
    508. Cyclospora cayetanenis food poisoning
     Cyclospora cayetanenis is a parasite that can cause food poisoning. Contamination through consuming food and water contaminated through contact with infected feces. Diarrhea is usually the main symptom. The severity of symptoms often depends on the age an...more »
    509. Cyclosporiasis
     A parasitic disease caused by Cyclospora cayetensis which is transmitted by ingestion of food or water contaminated by infected fecal matter. Some cases are asymptomatic while others can be quite severe and untreated cases can suffer relapses....more »
    510. Cyclosporiosis
     A parasitic disease caused by Cyclospora cayetensis which is transmitted by ingestion of food or water contaminated by infected fecal matter. Some cases are asymptomatic while others can be quite severe and untreated cases can suffer relapses....more »
    511. Cymophobia
     An exaggerated or irrational fear of waves....more »
    512. Cynophobia
     An exaggerated or irrational fear of dogs....more »
    513. Cypridophobia
     An exaggerated or irrational fear of venereal disease....more »
    514. Cystic Fibrosis
     Cystic fibrosis is a hereditary disease affecting the exocrine (mucus) glands of the lungs, liver, pancreas, and intestines, causing progressive disability due to multisystem failure....more »
    515. Cystinosis
     A rare biochemical disorder involving the accumulation of a chemical called cystine in various parts of the body which can cause harmful effects....more »
    516. Cystitis
     Bladder infection or inflammation...more »
    517. Cytarabine -- Teratogenic Agent
     There is evidence to indicate that exposure to Cytarabine (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 »
    518. Cytomegalovirus -- Teratogenic Agent
     There is strong evidence to indicate that the development of Cytomegalovirus 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 »
    519. Cytosine arabinose syndrome
     Symptoms following the use of a chemotherapy drug called cytosine arabinose....more »
    520. D-minus hemolytic uremic syndrome (D-HUS) -- pregnancy related
     A rare condition characterized by hemolytic anemia, thrombocytopenia and kidney failure. This type is not associated with diarrhea and is triggered by pregnancy....more »
    521. Darvocet overdose
     Darvocet is a prescription drug mainly used to treat pain. Excessive doses of the drug can result in various symptoms and even death in severe cases....more »
    522. Daunorubicin -- Teratogenic Agent
     There is evidence to indicate that exposure to Daunorubicin (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 ...more »
    523. Deadly nightshade (Solanum dulcamara) poisoning
     The deadly nightshade is a woody vine and is considered quite toxic. It is found in Europe, Asia, North Africa and North America. There are a number of species of nightshade with variable toxicity. The Solanum dulcamara is considered less toxic with about...more »
    524. Deafness -- lymphoedema -- leukemia
     A rare syndrome characterized by deafness, early-onset leukemia and lymphoedema in the lower legs....more »
    525. Declomycin -- Teratogenic Agent
     There is evidence to indicate that exposure to Declomycin (an antibiotic) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the l...more »
    526. Deep vein thrombosis
     Blood clot in vein, often in calf muscle vein in the leg....more »
    527. Defibrination syndrome
     The generation of fibrin in the blood and consumption of pro-coagulants and platelets occurring in complications of obstetrics...more »
    528. Dehydration
     Loss of fluids in the body...more »
    529. Deipnophobia
     An exaggerated or irrational fear of dining and dinner conversation....more »
    530. Delayed Viral Syndromes
     Syndromes caused by viral infections that are delayed in there appearance...more »
    531. Delirium tremens
     Delirium from alcohol withdrawal...more »
    532. Delphinium poisoning
     Delphinium is a member of the Buttercup family and contains toxic alkaloids. It's seeds are very toxic but other parts of the plant are also poisonous. As the plant ages, it becomes less poisonous. Toxicity varies amongst species....more »
    533. Demerol overdose
     Demerol is a prescription drug used to treat pain. Excessive doses of the drug can result in various symptoms and even death in severe cases....more »
    534. Demerol withdrawal
     Symptoms that occur when Demerol use is discontinued or reduced. Demerol is a pain-killing drug. Symptoms may vary depending on the level of dependence....more »
    535. Demonophobia
     An exaggerated or irrational fear of demons or spirits....more »
    536. Demophobia
     An exaggerated or irrational fear of crowds....more »
    537. Dengue fever
     An acute viral disease characterized by fever, rash and myalgia and caused by a flavivirus which is transmitted by mosquitoes....more »
    538. Dental abscess
     Abscess of tooth, gum, or jawbone...more »
    539. Dental caries
     A destructive process causing decalcification of the tooth enamel leading to cavitation of the tooth...more »
    540. Dental conditions
     Conditions that affect ones dentition...more »
    541. Dermatomyositis
     A muscle disease characterized by chronic muscle inflammation resulting in progressive muscle weakness and a characteristic rash....more »
    542. Dermatoosteolysis, Kirghizian type
     A rare condition characterized by a variety of abnormalities including missing teeth, recurring skin ulceration, eye problems and nail symptoms....more »
    543. Dermatophobia
     An exaggerated or irrational fear of skin disease....more »
    544. Dermatostomatitis, Stevens Johnson type
     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 »
    545. Desquamative Interstitial Pneumonia
     A relatively uncommon form of lung inflammation that has no apparent cause though the majority of patients have a history of smoking. Symptoms tend to develop over a period of six months to one and a half years....more »
    546. Detergent worker's disease
     Inhalation of detergent in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. Chronic exposure can lead to progressive lung symptoms which can gradually lead to symptoms such...more »
    547. Dexedrine overdose
     Dexedrine is a prescription drug mainly used to treat attention deficit hyperactivity disorder and narcolepsy. Excessive doses of the drug can result in various symptoms and even death in severe cases....more »
    548. Dextrophobia
     An exaggerated or irrational fear of objects on the right side of the body....more »
    549. Diabetes Insipidus
     Rare pituitary disorder often affecting the kidneys....more »
    550. Diabetes insipidus, nephrogenic type 2
     A rare congenital condition where the kidney fails to respond to the antidiuretic hormone (arginine vasopressin), thus preventing reabsorption of water. This results in excessive urination and thirst. Type II is specifically caused by a defect in the AQP2...more »
    551. Diabetes insipidus, nephrogenic, dominant type
     A rare dominantly inherited, congenital condition where the kidney fails to respond to the antidiuretic hormone (arginine vasopressin), thus preventing reabsorption of water. This results in excessive urination and thirst. The condition is specifically ca...more »
    552. Diabetes insipidus, nephrogenic, recessive type
     A rare recessively inherited, congenital condition where the kidney fails to respond to the antidiuretic hormone (arginine vasopressin), thus preventing reabsorption of water. This results in excessive urination and thirst. The condition is specifically c...more »
    553. Dialyzer hypersensitivity syndrome
     An anaphylactic reaction that occurs in some patients who are dialyzed on artificial kidneys. A compound (ethylene oxide) used to dry sterilize artificial kidneys is a likely allergen....more »
    554. Diarrheagenic Escherichia coli
     Various E-coli bacteria that can cause diarrhea...more »
    555. Diffuse large B-cell lymphoma
     A common form of non-Hodgkin's lymphoma characterized by abnormal proliferation of B-lymphocytes. It is a cancer of the B-lymphocytes (a type of white blood cell) which, if untreated, can spread to other parts of the body such as the bones and the liver. ...more »
    556. Dikephobia
     An exaggerated or irrational fear of justice....more »
    557. Dilantin -- Teratogenic Agent
     There is strong evidence to indicate that the use of Dilantin (anti-seizure medication) during pregnancy may cause a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be af...more »
    558. Dilaudid overdose
     Dilaudid is a prescription drug used mainly to treat pain. Excessive doses of the drug can result in various symptoms and even death in severe cases....more »
    559. 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 »
    560. Dilor -- Teratogenic Agent
     There is evidence to indicate that exposure to Dilor (a bronchodilator) 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 »
    561. 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 »
    562. Dinophobia
     An exaggerated or irrational fear of whirlpools....more »
    563. Diphtheria
     Infectious bacterial respiratory disease...more »
    564. Diplopiaphobia
     An exaggerated or irrational fear of double vision....more »
    565. Dipsophobia
     An exaggerated or irrational fear of drinking....more »
    566. Dirofilaria immitis infection
     Infection with the dog heartworm (Dirofilaria immitis) which is transmitted from dogs to humans through mosquito bites....more »
    567. Discitis
     A subacute infection of the vertebral discs that usually occurs in children....more »
    568. Disseminated infection with mycobacterium avium complex
     Mycobacterium avium complex is an opportunistic bacterium which tends to occur mainly in patients with advanced AIDS. The infection can spread throughout the body and result in such things as blood infections....more »
    569. Distal myopathy, Welander type
     A very slowly progressing muscle fiber degeneration that starts as mild weakness in the small muscles of hands and feet and may eventually spread to neighboring muscles....more »
    570. Distomatosis
     Infection by parasitic flat worms. Infection can involve liver, lungs or intestines. Symptoms are determined by the location of the infection. Contamination usually occurs through ingesting contaminated food or water....more »
    571. Diuril -- Teratogenic Agent
     There is evidence to indicate that exposure to Diuril ( a diuretic) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level o...more »
    572. Diverticular Disease
     Protrusions of the colon wall (diverticulosis) or their inflammation (diverticulitis)...more »
    573. Diverticular disease and diverticulitis
    574. Dolobid -- Teratogenic Agent
     There is evidence to indicate that exposure to Dolobid (an NSAID 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 leve...more »
    575. Domatophobia
     An exaggerated or irrational fear of being inside a house....more »
    576. Doraphobia
     An exaggerated or irrational fear of contact with animal fur or skin....more »
    577. 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 »
    578. Dracunculiasis
     An infectious disease caused by the nematode Dracunculus medinensis which is usually transmitted by drinking water contaminated by infected crustaceans....more »
    579. Dressler (D.)syndrome
     A rare autoimmune blood disorder where erythrocytes are destroyed suddenly after exposure to cold (usually 15°C or lower)....more »
    580. Dressler syndrome
     A group of symptoms that can occur days, weeks or months after a heart attack or heart surgery. The symptoms may be due to such things as autoimmune processes, virus or bleeding around the heart which can result in inflammation of the membrane surrounding...more »
    581. Drug Allergies
     Allergies to medications or other drugs....more »
    582. 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 »
    583. 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 »
    584. Dry socket
     Exposure of jaw bone after a tooth extraction...more »
    585. Dyphylline -- Teratogenic Agent
     There is evidence to indicate that exposure to Dyphylline (a bronchodilator) 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 »
    586. Dysentery
     A general term for various bacterial digestive disorders....more »
    587. Dysmorphophobia
     An exaggerated or irrational fear of deformity. It usually relates to deformities in other people....more »
    588. E-coli food poisoning
     Type of bacterial food poisoning...more »
    589. EGE
     A rare disorder where white blood cells (eosinophils) infiltrate the layers of the lining of the stomach and intestines and cause gastrointestinal symptoms. The degree of infiltration will determine the severity of symptoms....more »
    590. Ear infection (infant)
     An infection that affects the ear...more »
    591. Earache
     Pain in the ear called "otalgia"...more »
    592. East African Trypanosomiasis
     East African sleeping sickness from the tsetse fly...more »
    593. Eastern equine encephalitis
     Is a mosquito born virus that occurs in the eastern united states and causes disease in humans, horses and some birds...more »
    594. Ebola
     Dangerous virus mostly found in Africa....more »
    595. Ecclesiophobia
     An exaggerated or irrational fear of church....more »
    596. Echinococcus granulosus
     A infection caused by a type of small tapeworm...more »
    597. Echovirus-related Cold
     An Echovirus-related cold is a relatively minor contagious infection of the nose and throat caused by the Echovirus. Although colds can cause discomfort they are not considered a serious condition....more »
    598. Ecophobia
     An exaggerated or irrational fear of home surroundings....more »
    599. Ecstasy abuse
     Use of the illicit drug called ecstasy...more »
    600. Ectodermal dysplasia, hypohidrotic, autosomal dominant
     A very rare inherited disorder that affects the development of skin, hair, nails, teeth and sweat glands during the fetal stage....more »
    601. Ectopic pregnancy
     A condition where a fertilized egg embeds itself outside the uterus....more »
    602. Eczema vaccinatum
     A rare condition where a person who has eczema and is exposed to vaccinia through vaccination. The condition can occur even if the inoculation doesn't occur directly onto eczematous skin. The virus can also be transferred to an eczema sufferer from a rece...more »
    603. Edwardsiella tarda infection
     A type of bacterial infection. The bacterium (Edwardsiella tarda) infects freshwater-dwelling animals and transmission occurs through consuming infected animals or contact with contaminated water. Symptoms are determined by the location of the infection. ...more »
    604. Ehrlichiosis
     Bacterial tick-borne disease...more »
    605. Eikenella corrodens infection
     A type of anaerobic bacterial infection. The bacterium (Eikenella corrodens) is normally found in tooth plaque and can cause infection in various parts of the body. It tends to occur in patients with head and neck cancers or diabetics and drug users who l...more »
    606. Eisoptrophobia
     An exaggerated or irrational fear of mirrors....more »
    607. Electrical burns
     Burns caused when an electric current pass through the body or part of it. The symptoms and severity of the burn depends on the strength of the electrical current, the duration of the exposure and the part of the body involved. Prompt treatment in more se...more »
    608. Electrophobia
     An exaggerated or irrational fear of electricity or receiving an electric shock....more »
    609. Eleutherophobia
     An exaggerated or irrational fear of freedom....more »
    610. Emetophobia
     An exaggerated or irrational fear of vomiting....more »
    611. Empyema
    612. Encephalitis
     Dangerous infection of the brain...more »
    613. Encephalitis lethargica
     A rare brain disease characterized by fever, headache, lethargy and reduced physical and mental responses. The disease occurred as an epidemic in the 1920's but now occurs sporadically - the exact cause is still not known....more »
    614. Encephalomyelitis
     Inflammation of the brain and spinal cord....more »
    615. Endocarditis
     Inflammation of the inner lining of the heart...more »
    616. Endocarditis, infective
     A rare condition where a bacterial infection attacks the inner lining of the heart muscle and valves which is called the endocardium....more »
    617. Endocrine pancreatic cancer
     Any disease that affects the endocrine pancreas...more »
    618. Endodermal sinus tumor
     A form of malignant germ cell tumor that occurs mainly in young children. They can occur in the testis, ovaries, uterus, abdomen, thorax, tailbone region, vagina, liver, retroperitoneum and pineal ventricle of the brain. Symptoms will vary depending on th...more »
    619. Endometritis
     Inflammation of the endometrium (uterine lining)...more »
    620. Enetophobia
     An exaggerated or irrational fear of pins or needles....more »
    621. English Ivy poisoning
     English Ivy is a poisonous vine fund in Europe, US and Canada. The leaves and berries are the most toxic part of the plant but all parts of the plant are toxic. Falcarinol and polyacetylene are the toxic chemicals found in the plant....more »
    622. English Laurel poisoning
     The English Laurel is an evergreen shrub with elongated spikes of flowers and white fruit with a black stone. The seeds, twigs and wilted leaves of the plant contain chemicals (cyanogenic glycoside, amygdalin) which are very poisonous and can cause death ...more »
    623. Enteroaggregative E. Coli infection
     A bacterial infection that results from ingesting contaminated food or water and results in diarrhea that tends to last for weeks. It most often causes diarrhea in children in developing countries. Enteroaggregative refers to the grouping nature of the ba...more »
    624. Enterocolitis
     Serious type of intestinal infection...more »
    625. Enterohemorrhagic E. Coli infection
     A bacterial infection that results from ingesting contaminated food or water and results in bloody diarrhea. Enterohemorrhagic refers to the intestinal bleeding associated with the infection....more »
    626. Enteroinvasive E. Coli infection
     A type of bacterial infection that results from ingesting contaminated food or water and results in gastroenteritis. Enteroinvasive refers to the invasion of bacteria into the gastrointestinal lining. It tends to occur as occasional outbreaks in developed...more »
    627. Enterotoxigenic Escherichia coli
     Bacterial infection of the digestive system...more »
    628. Enterovirus antenatal infection
     Fetal infection with enterovirus. The condition is extremely rare but infection around the time of birth often results in death or paralysis in survivors. The type and severity of symptoms is determined by the exact type of virus involved and at what stag...more »
    629. Enterovirus-related Cold
     Enterovirus-related cold is a relatively minor contagious infection of the nose and throat caused by the Enterovirus. Although colds can cause discomfort they are not considered a serious condition....more »
    630. Enteroviruses
     Viruses affecting the digestive tract....more »
    631. Entomophobia
     An exaggerated or irrational fear of insects....more »
    632. Eosinophilic enteropathy, pattern III
     A rare disorder where white blood cells (eosinophils) infiltrate the deepest part of lining of the stomach often resulting in accumulation of fluid filled with white blood cells in the stomach (ascites). The fluid can enter the lung tissue and cause probl...more »
    633. Eosophobia
     An exaggerated or irrational fear of the dawn....more »
    634. Epidemic typhus
     An infectious disease caused by Rickettsia prowazekii and transmitted by body lice. The severity of the illness may range from moderate to fatal....more »
    635. Epidermolysis bullosa, junctional, Herlitz-Pearson
     A rare blistering skin disease which can often result in infant death...more »
    636. Epididymitis
     Infection of the epididymis (testicle tube)...more »
    637. Epiglotitis
     Inflamation of the epiglottis in the throat...more »
    638. Epiglottiditis
     A condition characterized by inflammation of the epiglottis of the throat...more »
    639. Epiglottis diseases
     Diseases that affect the epiglottis...more »
    640. Epoetin alfa -- Teratogenic Agent
     There is evidence to indicate that exposure to Epoetin alfa (used to treat some forms of anemia) 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 m...more »
    641. Epogen -- Teratogenic Agent
     There is evidence to indicate that exposure to Epogen (used to treat some forms of anemia) 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 ...more »
    642. Erdheim-Chester Disease
     A condition which is defined as a non langerhans cell histiocytosis...more »
    643. Erdheim-Chester syndrome
     A very rare lipid storage disorder involving lipid deposits in various organs and hardening of the ends of long bones which affects the growth of the bone. The severity of the condition is variable....more »
    644. 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 »
    645. Ergophobia
     An exaggerated or irrational fear of work....more »
    646. 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 »
    647. Erysipelas
     A severe streptococcal bacterial infection where infection spreads from the skin to tissue underneath. The face and extremities are the usual sites affected....more »
    648. Erythema chronicum migrans
     The first stage of Lyme disease which is transmitted by the bite of the Ixodid tick. The first stage involves a skin rash with systemic symptoms also often occurring....more »
    649. Erythema multiforme
     An allergic inflammatory skin disorder which has a variety of causes and results in skin and mucous membrane lesions that affect mainly the hands, forearms, feet, mouth nose and genitals....more »
    650. Erythema nodosum
     Allergic skin condition usually on the legs...more »
    651. Erythroderma
     Condition with thickening and flaking skin...more »
    652. Erythrophobia
     An exaggerated or irrational fear of blushing....more »
    653. Escharonodulaire
     An infectious disease that is caused by Rickettsia conorii which is transmitted by the brown dog tick (Rhipicephalus sanguineus). The disease occurs predominantly in Mediterranean areas such as India and Africa. The onset of symptoms is usually sudden and...more »
    654. Escherichia coli O157:H7
     A form of bacteria commonly found in the gastrointestinal tract...more »
    655. Essential thrombocytosis -- same as essential thrombocythemia
     A rare blood disorder where the blood contains too many platelets due to excessive megakaryocytes (platelet-producing cells). Platelets are essential for blood clotting but in essential thrombocythemia excessive platelets can cause the blood to form abnor...more »
    656. 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 »
    657. Etodolac -- Teratogenic Agent
     There is evidence to indicate that exposure to Etodolac (used mainly for arthritis) 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 »
    658. 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 »
    659. 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 »
    660. Euphophobia
     An exaggerated or irrational fear of good news....more »
    661. Eustachian tube disorders
     Any disorder that affects the Eustachian tubes of the ear...more »
    662. Ewing's sarcoma
     Ewing's sarcoma is a malignant round-cell tumor. It is a rare disease in which cancer cells are found in the bone or in soft tissue. The most common areas in which it occurs are the pelvis, the femur, the humerus, and the ribs....more »
    663. Exogenous lipoid pneumonia
     A rare disorder where lung inflammation results from inhalation or aspiration of fatty or oily material. Examples of fatty sources includes oil-based nasal inhalation drops, cosmetic oil. The severity of the condition can vary greatly depending on the amo...more »
    664. Extra-upper Aerodigestive Tract NK/T cell lymphoma
     A form of lymphoma that occurs externally to the lymph nodes but is located in sites other than the upper aerodigestive tract, nasopharynx and nasal cavity. This particular type of lymphoma is rare but tends to be aggressive....more »
    665. Extragonadal Germ Cell Tumor
     A rare form of cancer that originates in germ cells that are found in areas such as the brain, chest, tailbone or abdomen rather than the ovaries or testicles. Germ cells are the precursors for male sperm and female eggs. The symptoms are determined by th...more »
    666. Extramedullary Myeloid Tumor
     A rare type of tumor that develops from myeloid cells (type of immature white blood cell) and tends to usually have a greenish color. The tumor is essentially a localized solid collection of leukemic cells that occurs outside the bone marrow. It can occur...more »
    667. Extranodal NK/T cell lymphoma
     A form of lymphoma that occurs externally to the lymph nodes. It usually in the nasal area but can also occur in the gastrointestinal tract, trachea, skin, liver and other soft tissues. This particular type of lymphoma is rare but tends to be aggressive....more »
    668. Extranodal NK/T cell lymphoma, nasal
     A form of lymphoma that occurs externally to the lymph nodes and in particular, is located in the nasal region. This particular type of lymphoma is rare but tends to be aggressive. It is often associated with the Epstein-Barr virus....more »
    669. Extranodal NK/T cell lymphoma, nasal type
     A form of lymphoma that occurs externally to the lymph nodes. It usually in the nasal area but can also occur in the gastrointestinal tract, trachea or skin. This particular type of lymphoma is rare but tends to be aggressive. Specific symptoms will vary ...more »
    670. Fallopian tube conditions
     Conditions that affect the fallopian tubes of a woman...more »
    671. Familial Cold Autoinflammatory Syndrome (FCAS)
     An inherited inflammatory disorder which causes periods of fever, rash and pain in joints after being exposed to cold conditions. Symptoms last less than a day and start within hours of exposure to the cold....more »
    672. Familial Mediterranean fever
     A rare inherited condition characterized by recurrent fever and inflammation. The inflammation usually involves the stomach, lungs or joints....more »
    673. Familial Wilms tumor 2
     A familial form malignant kidney tumor that occurs in children. Type 2 differs from other forms of Wilms tumor by the origin of the genetic defect (chromosome 19q13.4)....more »
    674. Familial hyperchylomicronemia
     A rare inherited inborn error of metabolism involving the absence of the enzyme called lipoprotein lipase which results in increased blood triglyeride and chylomicron levels....more »
    675. Familial hyperlipoproteinemia type 1
     A genetic disorder characterized by abnormal lipid (chylomicrons and high triglyceride lipids) breakdown which results in its accumulation in the blood. The disorder is caused by the reduced or absent activity of the enzyme lipoprotein lipase. The severit...more »
    676. Familial myelofibrosis
     A rare condition where progressive scarring or fibrosis of the bone marrow impairs it's ability to make blood cells causing symptoms such as anemia and liver and spleen enlargement....more »
    677. Familial renal cell carcinoma
     A genetic form of kidney cancer that develops in the lining of the tubules in the kidney and tends to run in families....more »
    678. Farmer's lung
     A condition that affects farmers who are exposed to mouldy hay or crops. The lungs become inflamed due to a hypersensitivity reaction to the exposure....more »
    679. Farmer's lung -- Micropolyspora faeni
     Inhalation of moldy contaminated with bacteria (Micropolyspora faeni) in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune sy...more »
    680. Farmer's lung -- Thermoactinomyces vulgaris
     Inhalation of moldy contaminated with bacteria (Thermoactinomyces vulgaris) in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's imm...more »
    681. Fascioliasis
     A rare parastitic infectious disease caused by liver fluke Fasciola hepatica which can cause blockage of the bile ducts in the liver....more »
    682. Fatal familial insomnia
     A very rare inherited brain disease that severely affects sleep and causes progressive deterioration of mental and movement functions....more »
    683. Feather Plucker's lung
     Inhalation of particles from chicken feathers in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposur...more »
    684. Febrile Seizures
     Fever-caused seizures in infants or children....more »
    685. Febriphobia
     An exaggerated or irrational fear of fever....more »
    686. Felty Syndrome
     A rare complication of long-term rheumatoid arthritis which involves an enlarged spleen and blood abnormalities....more »
    687. Female infertility
     Infertility that affects the female...more »
    688. Fever
     Elevation of the body temperature above the normal 37 degrees celsius...more »
    689. Fever of Unknown Origin
     Fevers that occur for no apparent reason. The fever involves temperatures of greater than 38.3 degrees Celsius which occurs sporadically for more than three weeks. Infection and cancers are the most common causes of this type of fever....more »
    690. Fibrosarcoma
     Fibrosarcoma is a malignant tumor derived from fibrous connective tissue and characterized by immature proliferating fibroblasts or undifferentiated anaplastic spindle cells....more »
    691. Filovirus
     A group of viruses that includes Marburg and Ebola...more »
    692. 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 »
    693. Fire cherry poisoning
     Fire cherry is a tree found mainly in the US. Ti bears round clusters of flowers and fruit with a large pit. The wilted leaves, stems and seeds contain cyanogenic glycoside and amygdalin which can be very poisonous if eaten. Severe cases of poisoning can ...more »
    694. Fish meal worker's lung
     Inhalation of a fish meal particles in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to the f...more »
    695. Fisher (M.) syndrome
     A rare type of nerve disease involving muscle coordination problems, eye muscle paralysis and absent reflexes. It appears to be caused by the body's own immune system destroying the protective layer around nerves. The condition is usually preceded by a vi...more »
    696. Fitz syndrome
     Symptoms caused by an acute pancreatic inflammation....more »
    697. Fitz-Hugh syndrome
     A complication of upper genital tract infections in females where the membrane lining the stomach (peritoneum) and tissues surrounding the liver become inflamed. The infections involved are usually Chlamydia or gonorrhea. In some cases the diaphragm is al...more »
    698. Fitz-Hugh-Curtis syndrome
     A rare condition where the thin layer around the liver becomes infected as a result of a spread of infection from gonococcal or chlamydial infections in females....more »
    699. Flavimonas oryzihabitans
     A very rare bacterial infection that is most likely to occur in immunocompromised patients or through the use of catheters. Flavimonas oryzihabitans was previous known as Pseudomonas oryzihabitans....more »
    700. Flavivirus
     A group B arbovirus that causes disease in humans and animals...more »
    701. Flavivirus Infections
     Infection with a virus from the Flaviviridae family of viruses. Infections by these pathogens include Dengue fever, Rocio encephalitis, West Nile virus and Japanese encephalitis. Transmission usually occurs through the bite of a mosquito....more »
    702. Flax poisoning
     Flax is slender-stemmed herb which bears blue flowers and capsulated fruit containing smooth brown seeds. The plant originated in Europe but is found in many parts of the world growing wild. The plant contains a chemical called linomarin (a cyanogenic gly...more »
    703. Flea-borne diseases
     Diseases that are carried by fleas...more »
    704. Flu
     Very common viral respiratory infection....more »
    705. Flu-like conditions
     Medical conditions similar to flu, or exhibition flu-like symptoms....more »
    706. Flucytosine -- Teratogenic Agent
     There is evidence to indicate that exposure to Flucytosine (an antifungal 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 »
    707. Fluke infections
     An infection caused by flukes...more »
    708. Fluoxetine -- Teratogenic Agent
     There is evidence to indicate that exposure to Fluoxetine 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 »
    709. Fluphenazine -- Teratogenic Agent
     There is evidence to indicate that exposure to Fluphenazine (an antipsychotic 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 »
    710. 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 »
    711. 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 »
    712. Follicular Lymphoma, Susceptibility to, 1
     Follicular lymphoma is a form of non-Hodgkin's lymphoma characterized by an abnormal proliferation of B-lymphocytes. It is a cancer of the B-lymphocytes (a type of white blood cell) which, if untreated, can spread to other parts of the body such as the bo...more »
    713. Follicular dendritic cell tumor
     A rare form of malignant tumor. Follicular dendritic cells are immune system cells found in lymph follicles. The tumor tends to be low grade and tends to reoccur after removal and occasionally metastasizes. The symptoms are determined by the location and ...more »
    714. Follicular lymphoma
     A form of non-Hodgkin's lymphoma characterized by an abnormal proliferation of B-lymphocytes. It is a cancer of the B-lymphocytes (a type of white blood cell) which, if untreated, can spread to other parts of the body such as the bones and the liver. It d...more »
    715. Food Allergy -- milk
     A milk allergy is an adverse reaction by the body's immune system to milk or food containing milk. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine in response to contact with the allergen. The specific symptoms that ca...more »
    716. Food poisoning
     Poisoning from a substance or microbe in food....more »
    717. Fortaz -- Teratogenic Agent
     There is evidence to indicate that exposure to Fortaz (an antibiotic) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level...more »
    718. Fournier Gangrene
     A necrotizing bacterial infection of the skin on the genitals and perineum. The condition progresses rapidly and immediate medical attention is vital to prevent the bacteria entering the blood steam and resulting in death. It is usually the male genitals ...more »
    719. Francisella tularenis infection
     Francisella tularenis is a type of bacteria that can cause infection involving the skin, respiratory and gastrointestinal systems. The nature and severity of symptoms varies depending on the location of the infection. The bacteria primarily causes localiz...more »
    720. Frigophobia
     An exaggerated or irrational fear of cold....more »
    721. Fungal meningitis
     Fungal meningitis is an infection that causes swelling and irritation of the tissue around the brain and spinal cord. It usually strikes people whose weakened immune systems can't fight off infection. The disease is not common. but it can be very serious....more »
    722. Fungemia
     The presence of fungi in the blood. Most commonly occurs in people with a compromised immune system. Other risk factors include dialysis, burns, diabetes and use of broad-spectrum antibiotics and steroids. The severity of symptoms is variable....more »
    723. Furrier's lung
     Inhalation of a dust from animal fur in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to the ...more »
    724. Gall Bladder Cancer
     Cancer of the gall bladder....more »
    725. Gall bladder conditions
     Any condition that affects the gallbladder...more »
    726. Gallstones
     Stone-like deposits in the gall bladder....more »
    727. Gametophobia
     An exaggerated or irrational fear of marriage....more »
    728. Gamophobia
     An exaggerated or irrational fear of marriage....more »
    729. Gangrene
     Tissue death...more »
    730. Gas gangrene
     A condition characterized by death of tissue usually followed by bacterial invasion and putrefaction...more »
    731. Gastritis
     Inflammation of the stomach lining...more »
    732. Gastroenteritis
     Acute stomach or intestine inflammation...more »
    733. Gastrointestinal Anthrax
     Anthrax of the digestive system....more »
    734. Gastrointestinal infections related to AIDS
     It usually occurs due to decreased immunity....more »
    735. Generalised anxiety disorder
     Anxiety is a feeling of apprehension or fear....more »
    736. Generalized anxiety disorder
     Excessive anxiety and worrying....more »
    737. 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 »
    738. Generalized pustular psoriasis of pregnancy
     A form of psoriasis that occurs during the third trimester of pregnancy and is characterized by pustules rather the skin bumps. The skin under and around the pustules is red and variable areas of skin may be involved. The pustules tends to occur in locali...more »
    739. Geniophobia
     An exaggerated or irrational fear of chins....more »
    740. Genital herpes
     Sexually transmitted infection of the genital region....more »
    741. Genophobia
     An exaggerated or irrational fear of sex....more »
    742. Genuphobia
     An exaggerated or irrational fear of knees....more »
    743. Gephyrophobia
     An exaggerated or irrational fear of crossing a bridge....more »
    744. Gerascophobia
     An exaggerated or irrational fear of growing old....more »
    745. Geumophobia
     An exaggerated or irrational fear of tastes or flavors....more »
    746. Gianotti-Crosti Syndrome
     A skin condition characterized by the development of red skin bumps on the face, extremities and buttocks. The condition is self-limiting and usually resolves in about 3 weeks. The underlying cause is a viral infection such as Epstein-Barr virus, Coxsacki...more »
    747. Giardia
     Contagious parasitic digestive infection...more »
    748. 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 »
    749. Gingivostomatitis
     Mouth infection typically from first exposure to cold sores and subsequent viral HSV-1 infection....more »
    750. Glanders
     An infectious disease caused by a bacterium (Burkholderia mallei). It is usually a disease that affects horses and mules but can also infect other animals and humans. Human infection usually occurs in laboratory settings or in those with prolonged contact...more »
    751. Glossophobia
     An exaggerated or irrational fear of speaking in public or speech anxiety....more »
    752. 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 »
    753. Golden hurricane lily poisoning
     The golden hurricane lily is a bulbous herb with strappy leaves and bright yellow flowers on the end of a long stem. It is often used as an ornamental plant in gardens. The bulb of the plant contains a chemical called lycorine which can cause symptoms if ...more »
    754. Gonococcal conjunctivitis
     An eye disease that is sexually transmitted. It is caused by a bacterium called Neisseria gonorrhoeae....more »
    755. Gonococcal urethritis
     An infection of the urethra causing inflammation by a gonococcal organism...more »
    756. Gonorrhea
     Common sexually transmitted disease often without symptoms....more »
    757. Goodpasture syndrome
     A rare disease involving inflammation of membranes in the lung and kidneys....more »
    758. Goodpasture's syndrome
     A condition which is characterized by glomerulonephritis and pulmonary hemorrhage with circulating antibodies against basement membranes....more »
    759. Gradenigo's syndrome
     A complication that can develop from a middle ear infection that spreads to the mastoid bone of the skull. The syndrome involves the association of headache, ear infection and sixth cranial nerve palsy....more »
    760. Graeck-Imerslund disease
    761. Graft-versus-host disease
     A disease characterised by an immune response as a result of a transplantation or transfusion resulting in a widespread systemic inflammatory response...more »
    762. Graft-versus-host disease -- acute
     A rare condition that occurs in people with a poor immune system who undergo a bone marrow transplant or blood transfusion....more »
    763. Grahmann's syndrome
     Abnormal development of the part of the brain called the diencephalon which in turn affects the pituitary gland. The main manifestations are impaired sexual development, obesity and periodic psychotic episodes....more »
    764. Graphophobia
     An exaggerated or irrational dislike of writing....more »
    765. Grasbeck-Imerslund Disease
     A rare inherited disorder characterized by vitamin B12 deficiency which results from the body's inability to absorb vitamin B12 from the foods eaten....more »
    766. Griscelli disease
     A rare genetic disorder characterized mainly by albinism (lack of pigmentation). There are three different subtypes of the disorder (I, II and III) each with varying additional features such as immunodeficiency and neurological symptoms. Type 1 involves p...more »
    767. Griscelli syndrome type II
     A rare genetic condition characterized by a partial lack of pigmentation in the eye, skin and hair, clumps of pigmentation in hair shafts, immunodeficiency and neurological symptoms....more »
    768. Groin Hernia
     Lump in groin where segment of bowel has protruded through small imperfection in abdominal wall or inguinal canal...more »
    769. Guanarito virus
    770. Guillain-Barre Syndrome
     A rare progressive form of ascending polyneuropathy believed to be an autoimmune response....more »
    771. Gynephobia
     An exaggerated or irrational fear or hatred of women....more »
    772. Gynophobia
     An exaggerated or irrational fear or hatred of women....more »
    773. H1N1 Flu
    774. HHV-6 encephalitis
     A rare condition that usually occurs in immunocompromised people such as those undergoing transplants or HIV patients. The condition causes neurological symptoms....more »
    775. HIV-1, CRF01_AE
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    776. HIV-1, CRF02_AG
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    777. HIV-1, CRF04_ cpx
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    778. HIV-1, CRF05_ D/F
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    779. HIV-1, CRF06_cpx
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    780. HIV-1, CRF07_BC
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    781. HIV-1, CRF08_BC
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    782. HIV-1, CRF11_cpx
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    783. HIV-1, CRF12_BF
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    784. HIV-1, CRF13_cpx
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    785. HIV-1, CRF14_BG
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    786. HIV-1, CRF15_01B
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    787. HIV-1, CRF16_ A2D
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    788. HIV-1, CRF17_BF
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    789. HIV-1, CRF18_cpx
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    790. HIV-1, CRF19_cpx
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    791. HIV-1, CRF20_BG
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    792. HIV-1, CRF21_A2D
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    793. HIV-1, CRF22_01A1
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    794. HIV-1, CRF23_BG
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    795. HIV-1, CRF24_BG
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    796. HIV-1, CRF25_cpx
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    797. HIV-1, CRF26_AU
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    798. HIV-1, CRF27_cpx
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    799. HIV-1, CRF28_BF
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    800. HIV-1, CRF29_BF
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    801. HIV-1, CRF30_0206
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    802. HIV-1, CRF31_BC
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    803. HIV-1, CRF32_06A1
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    804. HIV-1, CRF33_01B
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    805. HIV-1, CRF34_01B
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    806. HIV-1, CRF35_AD
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    807. HIV-1, CRF36_cpx
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    808. HIV-1, CRF37_cpx
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    809. HIV-1, CRF38_BF
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    810. HIV-1, CRF39_BF
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    811. HIV-1, CRF40_BF
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    812. HIV-1, CRF41_CD
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    813. HIV-1, CRF42_BF
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    814. HIV-1, CRF43_02G
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    815. HIV-1A
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    816. HIV-1A1
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    817. HIV-1A2
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    818. HIV-1A3
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    819. HIV-1B
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    820. HIV-1C
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    821. HIV-1D
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    822. HIV-1E
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    823. HIV-1F
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    824. HIV-1F1
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    825. HIV-1F2
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    826. HIV-1G
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    827. HIV-1H
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    828. HIV-1J
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    829. HIV-1K
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    830. HIV-1M
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    831. HIV-1N
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    832. HIV-1O
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    833. HIV-2
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    834. HIV-2A
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    835. HIV-2B
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    836. HIV/AIDS
     HIV is a sexually transmitted virus and AIDS is the progressive immune failure that HIV causes....more »
    837. Hadeophobia
     An exaggerated or irrational fear of hell....more »
    838. Hagiophobia
     An exaggerated or irrational fear or dislike of saints and holy things....more »
    839. Hairy cell leukemia
     A chronic leukemia which causes an excess of abnormal mononuclear cells which appear hair like under microscopy...more »
    840. Haloperidol -- Teratogenic Agent
     There is evidence to indicate that exposure to Haloperidol (an antipsychotic 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...more »
    841. Hamaphobia
     An exaggerated or irrational fear of the sight of blood....more »
    842. Hamartophobia
     An exaggerated or irrational fear of error or sin....more »
    843. Hamman-Rich syndrome
     A rare acute lung disease where the lung sufferers progressive inflammation and fibrosis which often leads to death....more »
    844. Hand, Foot, & Mouth Disease
     Common contagious viral infant or child condition...more »
    845. Hand-Foot-Mouth Syndrome
     An infectious viral disease caused by the coxsackievirus A. The disease is characterized by the development of blisters in the mouth and on hands and feet. The disease is spread by contact with body fluids from an infected person and the incubation period...more »
    846. 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 »
    847. Hantavirus
     A genus of viruses from the family Bunyaviridae...more »
    848. Haphophobia
     An exaggerated or irrational fear of touch....more »
    849. Haptophobia
     An exaggerated or irrational fear of touch....more »
    850. Harpaxophobia
     An exaggerated or irrational fear of robbers....more »
    851. Hay Worker's disease -- Aspergillus spp.
     Inhalation of hay particles contaminated with fungus (Aspergillus spp.) in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune ...more »
    852. Headache-free migraine
     A syndrome with no headache but other migraine-like symptoms...more »
    853. Heart attack
     Serious and often fatal acute heart condition...more »
    854. Heart cancer
     A malignancy that is located in the heart...more »
    855. Heat exhaustion
     Overheating of the body with exhaustion or collapse...more »
    856. Heatstroke
     Heat exhaustion and collapse from heat exposure...more »
    857. Heavy-chain diseases
     A group of rare condition characterized by the production of the heavy chain portions of immunoglobulin molecules. Subtypes include y-chain disease, µ-chain disease and α-chain disease....more »
    858. Hedonophobia
     An exaggerated or irrational fear of pleasure....more »
    859. Heerfordt syndrome
     A disorder sometimes associated with sarcoidosis and characterized by inflammation of the uvea of the eye, enlarged salivary gland, fever and facial paralysis....more »
    860. Helicobacter cinaedi infection
     Helicobacter cinaedi is a food borne bacterial infection which may cause mild to severe gastroenteritis....more »
    861. Helicobacter fenneliae infection
     Helicobacter fenneliae is a food borne bacterial infection which may cause mild to severe gastroenteritis....more »
    862. Heliophobia
     An exaggerated or irrational fear of sunlight or increased sensitivity to sunlight....more »
    863. Helminth infections
     The infection by a parasitic worm...more »
    864. Helminthiasis
     Infection of the human body with a parasitic worm such as roundworms and pinworms. The worms usually only involve the intestinal tract but sometimes they may invade other organs. The type and severity of symptoms is determined by the type of worm and the ...more »
    865. Helminthophobia
     An exaggerated or irrational fear of being infested with worms....more »
    866. Hematophobia
     An exaggerated or irrational fear of the sight of blood....more »
    867. Hemiplegic migraine, familial type 1
     A rare inherited form of migraine that characteristically causes temporary paralysis on one side of the body and involves the presence of an aura. A migraine episode may be triggered by minimal trauma to the head. The severity of the disorder is variable ...more »
    868. Hemiplegic migraine, familial type 2
     A rare inherited form of migraine that characteristically causes temporary paralysis on one side of the body and involves the presence of an aura. A migraine episode may be triggered by minimal trauma to the head. The severity of the disorder is variable ...more »
    869. Hemoglobin S/hemoglobin Lepore, Boston
     A blood disorder that mainly causes hemolytic anemia with great variability of symptoms....more »
    870. Hemoglobin S/hemoglobin O, Arab
     A genetic blood anomaly which causes severe hemolytic anemia, fever, pain, cramping and excessive bleeding....more »
    871. Hemoglobin SC
     A genetic blood disorder where the patient inherits a gene for hemoglobin S from one parent and hemoglobin C from another. Severity of symptoms is variable....more »
    872. Hemophagocytic Lymphohistiocytosis
     A condition which is characterized by an abnormal appearance of histiocytes in the blood...more »
    873. Hemophagocytic lymphohistiocytosis, familial, 1
     A rare recessively inherited disorder involving an overactive immune system. More specifically, the body becomes infiltrated by large numbers of histiocytes (macrophages) that accumulate in various organs such as the liver, spleen, bone marrow, skin and c...more »
    874. Hemophagocytic lymphohistiocytosis, familial, 2
     A rare recessively inherited disorder involving an overactive immune system. More specifically, the body becomes infiltrated by large numbers of histiocytes (macrophages) that accumulate in various organs such as the liver, spleen, bone marrow, skin and c...more »
    875. Hemophagocytic lymphohistiocytosis, familial, 3
     A rare recessively inherited disorder involving an overactive immune system. More specifically, the body becomes infiltrated by large numbers of histiocytes (macrophages) that accumulate in various organs such as the liver, spleen, bone marrow, skin and c...more »
    876. Hemophagocytic lymphohistiocytosis, familial, 4
     A rare recessively inherited disorder involving an overactive immune system. More specifically, the body becomes infiltrated by large numbers of histiocytes (macrophages) that accumulate in various organs such as the liver, spleen, bone marrow, skin and c...more »
    877. Hemophagocytic reticulosis
     The abnormal proliferation of reticulum cell (histiocytes) which infiltrate various organs and. Macrophages destroy blood cells causing blood abnormalities. Meningoencephalitis frequently occurs when the histiocytes infiltrate the mininges and cerebral ti...more »
    878. Hemophilus influenzae B
     Bacterial respiratory infection with dangerous complications....more »
    879. 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 »
    880. Hemorrhagic fever
     A group of diseases caused by viruses which cause damage to blood vessels and result in hemorrhages and fever. The hemorrhaging does not always cause serious bleeding. The specific symptoms may vary depending on which particular virus is involved....more »
    881. Hemorrhagic shock and encephalopathy syndrome
     A very rare severe condition characterized by sudden severe shock, brain disease and liver and kidney dysfunction which occurs in infants. The cause is unknown....more »
    882. Hendra Virus
     A paramyxoviridae virus that is transmitted from animals to humans from body fluids and excretions...more »
    883. Hendra Virus Infection
    884. Henoch-Schonlein purpura
     A form of vasculitis (blood vessel inflammation) that affects blood capillaries and affects mostly the skin, kidneys, joints and stomach....more »
    885. Hepadnaviral infection
     There are a number of viruses in the Hepadnavirdae family of viruses but only type B can cause infection in the human. It causes hepatitis B infection in humans. The other types of the virus can cause infection in other animals....more »
    886. Hepadnaviruses
     There are a number of viruses in the Hepadnavirdae family of viruses but only type B can cause infection in the human. It causes hepatitis B infection in humans. The other types of the virus can cause infection in other animals....more »
    887. Hepadnoavirus infection
     There are a number of viruses in the Hepadnavirdae family of viruses but only type B can cause infection in the human. It causes hepatitis B infection in humans. The other types of the virus can cause infection in other animals....more »
    888. Hepatitis
     Any type of liver inflammation or infection....more »
    889. Hepatitis A
     Contagious viral infection of the liver...more »
    890. Hepatitis B
     Viral liver infection spread by sex or body fluids....more »
    891. Hepatitis C
     Viral liver infection spread by blood....more »
    892. Hepatitis D
     Viral liver infection occurring in association with HepB....more »
    893. Hepatitis E
     Viral liver infection....more »
    894. Hepatitis X
     Hepatitis infection by an unknown virus not classified as HepA/B/C/D/E....more »
    895. Hepatitis X (non-A,-B,-C,-D,-E)
     Viral liver inflammation that cannot be determined to be one of the existing types of viral hepatitis - A,B,C,D and E....more »
    896. Hepatocellular carcinoma (fibrolamellar variant)
     A rare form of liver cancer. The prognosis for this variant of hepatocellular cancer is better than for hepatocellular cancer....more »
    897. 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 »
    898. Heptaosplenic T-cell Lymphoma
     A rare subtype of lymphoma which originates from T-cell lymphocytes in the liver and the spleen. This form of lymphoma is considered quite aggressive. People with solid organ transplants tend to be more susceptible to this form of cancer, possibility beca...more »
    899. Herbal Agent adverse reaction -- Chaparral
     Chaparral can be used as a herbal agent to treat abdominal cramps, pain and acne. The herbal agent contains a chemical called NDGA which can cause an adverse reaction in some people. Skin contact can also result in dermatitis. Patients with preexisting li...more »
    900. Herbal Agent adverse reaction -- Echinacea
     Echinacea can be used as a herbal agent to treat arthritis, vaginal yeast infections, cold and flu as well as infections involving the respiratory system, urinary tract and skin. The herbal agent can produce and adverse reaction in some people....more »
    901. 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 »
    902. Herbal Agent adverse reaction -- Polygonum multiflorum
     The root from the Polygonum multiflorum can be used as a herbal agent to treat constipation, insomnia and vertigo. The herbal agent contains anthraquinones which can cause an adverse reaction in some people....more »
    903. 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 »
    904. Hereditary primary Fanconi disease
     A rare inherited disorder characterized by defective reabsorption of various substances such as phosphate, potassium, amino acids and glucose which manifests as a wide range of abnormalities and problems....more »
    905. Hereditary sensory and autonomic neuropathy 3
     A very rare inherited disorder affecting the peripheral and autonomic nervous system and characterized by reduced tear production, excessive sweating, poor body temperature control, blood pressure problems, impaired sensation and poor muscle control....more »
    906. Hereditary spherocytic hemolytic anemia
     An inherited blood disorder where a metabolic defect causes defects in the red blood cells membranes which leads to their characteristic spherical shape (normal cells are doughnut shaped) and premature destruction....more »
    907. Hernia
     General term for an organ protruding where it should not....more »
    908. Heroin dependence
     The physical and psychological dependence to the recreational drug heroin...more »
    909. Heroin overdose
     Heroin 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 »
    910. Heroin withdrawal
     Symptoms that occur when heroin use is discontinued or reduced. Symptoms may vary depending on the level of dependence....more »
    911. Herpangina
     A condition which is infective and caused by the coxsackie virus...more »
    912. Herpes simplex encephalitis
     A form of encephalitis caused by the herpes simplex virus and characterized by fever, headache and neurological symptoms....more »
    913. Herpes stomatitis
     Mouth infection with ulcers/blisters due to the herpes virus...more »
    914. Herpes, Neonatal
     Neonatal herpes is the infection of a newborn with the herpes virus within the first six weeks of life. The virus may be transmitted from the mother to the baby while it is still in the uterus or during delivery. The risk of transmitting the virus is high...more »
    915. Herpetophobia
     An exaggerated or irrational fear of reptiles....more »
    916. 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 »
    917. Heterophobia
     An exaggerated or irrational fear or aversion to heterosexuals....more »
    918. Hexakosioihexekontahexaphobia
     An exaggerated or irrational fear of the number 666....more »
    919. Hidradenitis Suppurativa
     A bacterial skin infection that occurs when sweat glands become blocked. Inflamed, pus producing nodules develop and eventually cause scarring. Mainly affects sweat glands in the armpits, groin, breasts and anal areas....more »
    920. Hierophobia
     An exaggerated or irrational fear of sacred objects or priests....more »
    921. High T4 syndrome
     A disorder involving transient increases in thyroxine levels for no apparent reason....more »
    922. 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 »
    923. Hippophobia
     An exaggerated or irrational fear of horses....more »
    924. Hippopotomonstrosesquippedaliophobia
     An exaggerated or irrational fear of long words....more »
    925. Histiocytosis, Non-Langerhans-Cell
     A group of disorders involving the excessive proliferation of histiocytes (macrophages) which are not Langerhans cells. Subgroups of this disorder includes hemophagocytic lymphohistiocytosis, sinus histiocytosis, xanthogranuloma and sea-blue histiocyte sy...more »
    926. Histoplasmosis
     Lung infection from fungus Histoplasma capsulatum...more »
    927. Hobo spider poisoning
     The Hobo spider is a type of funnel web spider which can deliver a painful bite. Their bite can cause localized tissue necrosis which can take a long time to heal. Systemic symptoms may occur in severe cases but this is rare....more »
    928. Hodgkin disease, X-linked pseudoautosomal
     An inherited form of Hodgkin disease which is a common cancer of the lymph node....more »
    929. Hodgkin lymphoma, during pregnancy
     A cancer of the lymph system that occurs during pregnancy. The dilemma is that treatment can't be initiated until the baby is delivered or terminated. If the pregnancy is in the early stages, termination is recommended. If the pregnancy is in the later st...more »
    930. Hodgkin's Disease
     A form of cancer that affects the lymphatic system....more »
    931. Hodgkin's disease, childhood
     A type of cancer that affects the lymphatic system in children. The lymphatic system forms part of the body's immune system. This type of cancer can also occur in children....more »
    932. Hodophobia
     An exaggerated or irrational fear of travel....more »
    933. Homichlophobia
     An exaggerated or irrational fear of fog....more »
    934. Homilophobia
     An exaggerated or irrational hatred of sermons....more »
    935. Homologous wasting disease
     A term used to describe the disease state resulting from a graft versus host reaction. Graft versus host reaction occurs when the immune system of a transplant patient attacks the transplanted tissue but in homologous wasting disease the immune cells in t...more »
    936. Homophobia
     An exaggerated or irrational fear of homosexuality which is affection between people of the same sex....more »
    937. Honeymoon Bladder
     Urinary tract infection, usually in women, arising from period of frequent sexual intercourse....more »
    938. Horse nettle poisoning
     Horse nettle is a herbaceous plant which has prickles and bears yellow berries. The berries contain solanin alkaloids which can cause symptoms if eaten in large quantities. It is often found growing in the wild in many parts of the world. Death is conside...more »
    939. Human granulocytic ehrlichiosis
     A rare infectious condition caused by infection with a type of bacteria called Ehrlichia (Anaplasma phagocytophilia) which attack granulocytes (a type of white blood cell). The infection is transmitted by the deer and American dog tick....more »
    940. Human monocytic ehrlichiosis
     A rare infectious condition caused by infection with a type of bacteria called Ehrlichia (Ehrlichia chaffeensis) which attack monocytes(a type of white blood cell). The infection is transmitted by the Lone Star and American dog tick....more »
    941. Human parvovirus B19 infection
     An infectious disease caused by parovirus B19 which causes fifth disease and erythema infectiosum....more »
    942. Humidifier lung
     Inhalation of humidifier vapors contaminated with pathogens such as amoeba and certain bacteria can cause various lung symptoms in occupational settings. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result f...more »
    943. Humidifier lung -- Acanthamoeba spp.
     Inhalation of humidifier vapors contaminated with a pathogen called (Acanthamoeba spp.) can cause various lung symptoms in occupational settings. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the ...more »
    944. Humidifier lung -- Bacillus spp.
     Inhalation of humidifier vapors contaminated with a pathogen called (Bacillus spp.) can cause various lung symptoms in occupational settings. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body...more »
    945. Humidifier lung -- Naegleria gruberi
     Inhalation of humidifier vapors contaminated with a pathogen called (Naegleria gruberi) can cause various lung symptoms in occupational settings. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the ...more »
    946. Humidifier lung -- Penicillum spp.
     Inhalation of humidifier vapors contaminated with a pathogen called (Penicillum spp.) can cause various lung symptoms in occupational settings. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the bo...more »
    947. Hyacinth bean poisoning
     Hyacinth bean is a vine which bears elongated spikes of purple, white or pink flowers. The plant originated in Africa and is often used as an ornamental plant. The seeds and seed pod contain cyanogenic glycoside which can cause poisoning if large quantiti...more »
    948. Hydrocarbon poisoning
     Excessive ingestion of hydrocarbon compounds such as turpentine, pine oil, cleaning agents, fuel, polishes, kerosene and car products....more »
    949. Hydrocodone overdose
     Hydrocodone is a prescription drug used mainly to treat pain. Excessive doses of the drug can result in various symptoms and even death in severe cases....more »
    950. Hydrocodone withdrawal
     Symptoms that occur when Hydrocodone use is discontinued or reduced. Hydrocodone is 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 »
    951. Hydroid poisoning
     Hydroids are a type of jellyfish commonly found in the warmer oceans of the world....more »
    952. Hydrophophobia
     An exaggerated or irrational fear of rabies....more »
    953. Hygrophobia
     An exaggerated or irrational fear of liquids, particularly wine and water....more »
    954. Hylephobia
     An exaggerated or irrational fear of forests or wood....more »
    955. Hypengyophobia
     An exaggerated or irrational fear of responsibility....more »
    956. Hyper IgE
     Inherited immunodeficiency disorders involving excessive production of IgE and frequent bacterial (staphylococcal) infections mainly involving the skin as well as other problems. Recessively inherited forms of the condition tend to be more serious with bo...more »
    957. 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 »
    958. Hypereosinophilic syndrome
     A rare condition where too many eosinophils are produced over an extended period of time for no apparent reason. The eosinophils can infiltrate various organs and tissues and cause dysfunction or damage...more »
    959. Hyperimmunoglobinemia D with recurrent fever
     A very rare disorder involving a high immunoglobulin level associated with periods of fever which generally reoccur every month or two....more »
    960. Hyperostosis cortical infantile
     A rare inflammatory disorder that affects bones and soft tissue in infants. The condition may affect virtually any bone and causes excessive enlargement of part of the bone (cortex). Infant feeding problems may occur if the jaw bone is affected which can ...more »
    961. Hypersensitivity to drugs
    962. Hypersplenism
     A condition which is characterized by the exaggeration of blood degrading function of the spleen...more »
    963. Hypnophobia
     An exaggerated or irrational fear of sleep or being hypnotized....more »
    964. Hypoglycemia
     Low blood sugar level...more »
    965. Hypoglycemic attack
     Sudden onset of low blood sugar levels...more »
    966. Hypohidrotic Ectodermal Dysplasia
     An inherited disorder involving the developmental abnormalities during the fetal stage that can affect the skin, hair, nails, teeth and sweat glands. This form of ectodermal dysplasia is characterized by a reduced ability to sweat due to a lack of sweat g...more »
    967. IV infection
     An infection that occurs at an intravenous line site...more »
    968. Iatrophobia
     An exaggerated or irrational fear of going to the doctor....more »
    969. Ibuprofen -- Teratogenic Agent
     There is evidence to indicate that exposure to Ibuprofen 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 »
    970. Ichthyophobia
     An exaggerated or irrational fear of fish....more »
    971. Idiopathic acute eosinophilic pneumonia
     An acute lung disorder involving the infiltration of eosinophils into the lung tissue with no apparent cause....more »
    972. Idiopathic eosinophilic chronic pneumopathy
     A rare disorder where eosinophils (a type of white blood cell) accumulate in the lungs and cause problems. The symptoms occur gradually over a period of weeks or even months....more »
    973. Idiopathic hypereosinophilic syndrome
     A rare blood disorder where the bone marrow produces too many eosinophils over a long period of time which can cause organ or tissue damage. The disorder can affect and part of the body but most often affects the skin, heart and nervous system. The increa...more »
    974. Idiopathic sclerosing mesenteritis
     A rare disorder that affects the lining of the digestive tract. The lining of the small bowel mesentery (membrane that joins small intestine to back of abdominal wall) becomes thickened and inflamed. The condition may be mild or severe enough to cause dea...more »
    975. Ignophobia
     An exaggerated or irrational fear of not knowing....more »
    976. Imipramine -- Teratogenic Agent
     There is evidence to indicate that exposure to Imipramine 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 »
    977. India tick typhus
     An infectious disease that is caused by Rickettsia conorii which is transmitted by the brown dog tick (Rhipicephalus sanguineus). The disease occurs predominantly in Mediterranean areas such as India and Africa. The onset of symptoms is usually sudden and...more »
    978. Indian tick fever
     An infectious disease that is caused by Rickettsia conorii which is transmitted by the brown dog tick (Rhipicephalus sanguineus). The disease occurs predominantly in Mediterranean areas such as India and Africa. The onset of symptoms is usually sudden and...more »
    979. Indomethacin -- Teratogenic Agent
     There is evidence to indicate that exposure to Indomethacin 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 »
    980. Infantile multisystem inflammatory disease
     A rare autoinflammatory disease characterized by fever, rash, arthritic changes, eye problems and chronic meningitis....more »
    981. Infectious Diarrhea
     Infectious digestive infections causing diarrhea....more »
    982. Infectious arthritis
     A rare condition where arthritis occurs as a result of joint infection by a bacteria, virus or fungus. Symptoms vary according to the infection type....more »
    983. 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 »
    984. 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 »
    985. Inflammatory breast cancer
     Inflammatory breast cancer is a rare and aggressive form of invasive breast cancer, where the skin of the breast becomes red, inflamed and pitted in appearance....more »
    986. Inflammatory myofibroblastic tumors
     A rare tumor that tends to occur mainly in the soft tissue and internal body organs. The more common specific locations are soft tissue, mediastinum, pancreas, gastrointestinal and genitourinary tracts, mouth, skin, breast, nerve, bone and central nervous...more »
    987. Inflammatory pelvic pain
     Inflammatory pelvic pain can be chr, cyclic,non cyclic, localized of generalized, or a combination. It affects women of reproductive age and older. It's important to note that sudden, severe pain with mass indicates a serious disorder such as an ectopic p...more »
    988. Influenza A
     A type of virus affecting the respiratory tract...more »
    989. Influenza B
     A type of virus affecting the respiratory tract...more »
    990. 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 »
    991. Insensitivity to pain with anhidrosis
     A rare disorder primarily involving insensitivity to pain with a lack of sweating....more »
    992. Insensitivity to pain with anhydrosis
    993. Interferon Beta -- Teratogenic Agent
     There is evidence to indicate that exposure to Interferon Beta 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 »
    994. Interferon Gamma -- Teratogenic Agent
     There is evidence to indicate that exposure to Interferon Gamma 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 »
    995. Intermediate cystinosis
     Cystinosis is a condition where excess amino acid cystine builds up to harmful levels in the body. The intermediate form of cystinosis starts later than the nephropathic form but the symptoms are the same....more »
    996. Interstitial lung disease
     Any condition which affects the interstitium of the lungs...more »
    997. Interstitial nephritis
     A condition which is characterized by disease of the renal interstitial tissue...more »
    998. Intestinal Conditions
     Conditions that affect the intestines...more »
    999. Intestinal Flu
     Sudden onset, generally short-lived infection of the gastrointestinal tract; may be caused by viruses, bacteria or protozoa...more »
    1000. Invasive breast cancer
     Invasive breast cancers usually are epithelial tumors of ductal or lobular origin. Features such as size, status of surgical margin, estrogen receptors (ER) and progesterone receptors (PR), nuclear and histologic grade, DNA content, S-phase fraction, vasc...more »
    1001. Invasive group A Streptococcal disease
     Infection with Group A Streptococcal bacteria...more »
    1002. Iophobia
     An exaggerated or irrational fear of poisons....more »
    1003. Irish potato poisoning
     The common potato is an edible root. However, the potato sprouts and green skin in old potatoes contain chemicals such as solanine which can cause symptoms if eaten. Severe cases can result in death but this is relatively rare....more »
    1004. 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 »
    1005. Isoniazid -- Teratogenic Agent
     There is evidence to indicate that exposure to Isoniazid 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 »
    1006. 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 »
    1007. Isopsoriasis
     An infectious disease caused by a protozoa called Isospora belli and is more common in tropical and subtropical areas with poor sanitation. The infection can be life-threatening in immunocompromised patients....more »
    1008. Isopterophobia
     An exaggerated or irrational fear of termites....more »
    1009. Isosporiasis
     Infection with a type of protozoan parasite (Isoporo belli). Infections tend to occur in tropical countries and AIDS patients are the most susceptible. Healthy individuals tend to recover within weeks whereas the disease persists for months or years in im...more »
    1010. Isosporosiasis
     A parasitic disease caused by a protozoa called Isospora belli. Infection occurs through eating contaminated food and tends to occur in tropical areas. Immunocompromised patients tend to be more susceptible to the infection and the symptoms are more sever...more »
    1011. Israeli spotted fever
     An infectious disease that is caused by Rickettsia conorii which is transmitted by the brown dog tick (Rhipicephalus sanguineus). The disease occurs predominantly in Mediterranean areas such as India and Africa. The onset of symptoms is usually sudden and...more »
    1012. Itraconazole -- Teratogenic Agent
     There is evidence to indicate that exposure to Itraconazole (an antifungal 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 b...more »
    1013. JC virus infection
     A type of polyomavirus that infects most people but generally causes no symptoms. However, that virus generally only becomes symptomatic in immunosuppressed people such as those with AIDS or following organ transplant....more »
    1014. Jacobs syndrome
     A very rare syndrome characterized mainly by heart inflammation (pericardium), joint disease and permanent finger flexion. The number of joints affected is variable....more »
    1015. Janbon syndrome
     Gastrointestinal symptoms that can occur when using a drug called oxytetracycline which is a type of antibiotic. The drug tends to destroy the good bacteria in the gastrointestinal system and allows other bacteria resistant to the drug to flourish....more »
    1016. Japanese encephalitis
     A form of encephalitis caused by a flavivirus (Japanese B encephalitis virus - JBEV) and transmitted by mosquito bites. Most cases are mild and asymptomatic but severe cases can lead to death....more »
    1017. Job syndrome
     An immunodeficiency disorder characterized by excessive production of IgE and frequent bacterial infections mainly involving the skin....more »
    1018. Jonquil poisoning
     The Jonquil is a pretty flowering bulb plant. The bulb contains phenanthridine alkaloids and calcium oxalate crystals which can cause symptoms if ingested. Generally, toxicity only occurs if large quantities are eaten. Severe skin irritation can occur upo...more »
    1019. Judeophobia
     An exaggerated or irrational fear of Jews....more »
    1020. Junin virus
    1021. 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 »
    1022. Juvenile dermatomyositis
     A very rare autoimmune disorder where the body's own immune system attacks blood vessels and causes them to become inflamed. The condition is characterized by progressive muscle weakness and a characteristic pinkish-purple rash....more »
    1023. Juvenile idiopathic arthritis
     A group of chronic inflammatory joint disorders that affects children. The condition generally involves periods of time where the condition is active followed by periods of abatement of symptoms. In some cases, the condition can be systemic and can cause ...more »
    1024. Juvenile myelomonocytic leukemia
     A rare form of malignant bone marrow cancer that occurs in children and involves the proliferation of immature precursors of certain blood cells - myelocytes and monocytes. The proliferation is slower than in acute forms of the disease....more »
    1025. Kakorrhaphiophobia
     An exaggerated or irrational fear of failure or defeat....more »
    1026. Katagelophobia
     An exaggerated or irrational fear of being ridiculed or disliked....more »
    1027. Katayama fever
     An acute disease due to infection with Schistosoma parasites. Transmission can occur through contact with infected waters....more »
    1028. Kawasaki disease
     A childhood illness that generally affects the skin, mouth and lymph nodes....more »
    1029. Keflex -- Teratogenic Agent
     There is evidence to indicate that exposure to Keflex (an antibiotic) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level...more »
    1030. Kenya fever
     An infectious disease that is caused by Rickettsia conorii which is transmitted by the brown dog tick (Rhipicephalus sanguineus). The disease occurs predominantly in Mediterranean areas such as India and Africa. The onset of symptoms is usually sudden and...more »
    1031. Kenya tick typhus
     An infectious disease that is caused by Rickettsia conorii which is transmitted by the brown dog tick (Rhipicephalus sanguineus). The disease occurs predominantly in Mediterranean areas such as India and Africa. The onset of symptoms is usually sudden and...more »
    1032. Kenya tick-bite fever
     An infectious disease that is caused by Rickettsia conorii which is transmitted by the brown dog tick (Rhipicephalus sanguineus). The disease occurs predominantly in Mediterranean areas such as India and Africa. The onset of symptoms is usually sudden and...more »
    1033. Kernicterus
     A rare condition involving high blood levels of bilirubin which can also accumulate in the brain and lead to neurological problems....more »
    1034. Ketorolac -- Teratogenic Agent
     There is evidence to indicate that exposure to Ketorolac 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 »
    1035. Kidney stones
     Kidney stones are solid deposits of salts (e.g calcium) from the urine. These deposits can impair the passage of urine that has the potential to result in infection and kidney damage or failure in severe cases....more »
    1036. Kikuchi disease
     A rare lymph node disorder which is not cancerous but causes large, inflamed lymph nodes....more »
    1037. Kikuchi-Fujimoto Disease
    1038. Kinetophobia
     An exaggerated or irrational fear or dislike of movement or motion ....more »
    1039. Kleptophobia
     An exaggerated or irrational fear of thieves or having things stolen by thieves....more »
    1040. Knoiophobia
     An exaggerated or irrational fear of dust....more »
    1041. Kopophobia
     An exaggerated or irrational fear of fatigue or exhaustion....more »
    1042. Koussef nichols syndrome
     A very rare syndrome characterized mainly by muscle problems, a high body temperature and various other physical abnormalities....more »
    1043. Kousseff-Nichols syndrome
     A very rare syndrome characterized mainly by muscle problems, a high body temperature and various other physical abnormalities....more »
    1044. Krabbé Disease
     Brain myelin disorder with various symptoms....more »
    1045. Kuru
     An infectious prion disease that is only found in New Guinea...more »
    1046. Kyasanur-Forrest disease
     A viral hemorrhagic fever that is transmitted to humans through tick bites. It is most prevalent in South Asia....more »
    1047. Kynophobia
     An exaggerated or irrational fear of rabies....more »
    1048. Lachanophobia
     An exaggerated or irrational fear of vegetables....more »
    1049. Laliophobia
     An exaggerated or irrational fear of talking....more »
    1050. Langerhans Cell Histiocytosis
     A condition which is characterized by proliferation of Langerhans cells...more »
    1051. Large granular lymphocyte leukemia
     A form of leukemia characterized by an increased number of circulating granular lymphocytes....more »
    1052. Laryngitis
     Laryngitis is an inflammation of the mucous membrane lining the larynx which is located in the upper part of the respiratory tract....more »
    1053. Lassa fever
     Infectious rat-borne West African disease....more »
    1054. Lederer's anemia
     Lederer's anemia refers to the rapid destruction of red blood cells for no apparent reason....more »
    1055. Legionella adelaidensis infection
     Legionella adelaidensis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or...more »
    1056. Legionella anisa infection
     Legionella anisa is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or those ...more »
    1057. Legionella beliardensis infection
     Legionella beliardensis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or...more »
    1058. Legionella birminghamensis infection
     Legionella birminghamensis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly...more »
    1059. Legionella bozemanii infection
     Legionella bozemanii is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or th...more »
    1060. Legionella bruneiensis infection
     Legionella bruneiensis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or ...more »
    1061. Legionella brunensis infection
     Legionella brunensis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or th...more »
    1062. Legionella busanensis infection
     Legionella busanensis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or t...more »
    1063. Legionella cherrii infection
     Legionella cherrii is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or thos...more »
    1064. Legionella cincinnatiensis infection
     Legionella cincinnatiensis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly...more »
    1065. Legionella donaldsonii infection
     Legionella donaldsonii is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or ...more »
    1066. Legionella donaldsonil infection
     Legionella donaldsonil is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or ...more »
    1067. Legionella drancourtii infection
     Legionella drancourtii is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or ...more »
    1068. Legionella drozanskii infection
     Legionella drozanskii is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or t...more »
    1069. Legionella dumofii infection
     Legionella dumofii is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or thos...more »
    1070. Legionella erythra infection
     Legionella erythra is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or thos...more »
    1071. Legionella fairfieldensis infection
     Legionella fairfieldensis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly ...more »
    1072. Legionella fallonii infection
     Legionella falloni is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or thos...more »
    1073. Legionella feelei infection
     Legionella feelei is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or those...more »
    1074. Legionella feeleii infection
     Legionella feeleii is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or thos...more »
    1075. Legionella gesstiana infection
     Legionella gesstiana is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or th...more »
    1076. Legionella gormanii infection
     Legionella micdadei is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or tho...more »
    1077. Legionella gratiana infection
     Legionella gratiana is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or tho...more »
    1078. Legionella gresilensis infection
     Legionella gresilensis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or ...more »
    1079. Legionella hackeliae infection
     Legionella hackeliae is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or th...more »
    1080. Legionella impletisoli infection
     Legionella impletisoli is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or ...more »
    1081. Legionella isrealensis infection
     Legionella isrealensis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or ...more »
    1082. Legionella jamestowniensis infection
     Legionella jamestowniensis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly...more »
    1083. Legionella jordanis infection
     Legionella jordanis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or tho...more »
    1084. Legionella lansingensis infection
     Legionella lansingensis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or...more »
    1085. Legionella londinensis infection
     Legionella londinensis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or ...more »
    1086. Legionella longbeachae infection
     Legionella longbeachae is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or ...more »
    1087. Legionella lytica infection
     Legionella lytica is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or those...more »
    1088. Legionella maceachemii infection
     Legionella maceachemii is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or ...more »
    1089. Legionella maceachernii infection
     Legionella maceachernii is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or...more »
    1090. Legionella micdadei infection
     Legionella micdadei is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or tho...more »
    1091. Legionella monrovica infection
     Legionella monrovica is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or th...more »
    1092. Legionella moravica infection
     Legionella moravica is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or tho...more »
    1093. Legionella nautarum infection
     Legionella nautarum is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or tho...more »
    1094. Legionella oakridgensis infection
     Legionella oakridgensis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or...more »
    1095. Legionella parisiensis infection
     Legionella parisiensis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or ...more »
    1096. Legionella quateirensis infection
     Legionella quateirensis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or...more »
    1097. Legionella quinlivanii infection
     Legionella quinlivanii is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or ...more »
    1098. Legionella rowbothamii infection
     Legionella rowbothamii is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or ...more »
    1099. Legionella rubrilucens infection
     Legionella rubrilucens is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or ...more »
    1100. Legionella sainthelensi infection
     Legionella sainthelensi is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or...more »
    1101. Legionella santicrucis infection
     Legionella santicrucis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or ...more »
    1102. Legionella shakespearei infection
     Legionella shakespearei is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or...more »
    1103. Legionella spiritensis infection
     Legionella spiritensis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or ...more »
    1104. Legionella steigerwaltii infection
     Legionella steigerwaltii is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly o...more »
    1105. Legionella tauriensis infection
     Legionella tauriensis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or t...more »
    1106. Legionella tusconensis infection
     Legionella tucsonensis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or ...more »
    1107. Legionella wadsorthii infection
     Legionella wadsorthii is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or t...more »
    1108. Legionella wadsworthii infection
     Legionella wadsworthii is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or ...more »
    1109. Legionella waltersii infection
     Legionella moravica is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or tho...more »
    1110. Legionella worsliensis infection
     Legionella worsliensis is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or ...more »
    1111. Legionella yabuuchiae infection
     Legionella yabuuchiae is a type of bacteria which can cause infection in susceptible humans. Risk factors include diabetes, certain cancers, old age, immunosuppression, emphysema and smoking. Infection is rare and can occur at any age but the elderly or t...more »
    1112. Legionnaires' disease
     A severe respiratory disease which is caused by the Legionella pneumophila bacteria. The condition can result in pneumonia and can be life-threatening....more »
    1113. Leiner Disease
     A skin and immune system disorder occurring in newborns and characterized by a patch of thick red skin that usually starts on the buttocks and spreads to other parts of the body. Recurring infections, failure to thrive, wasting and nervous system deficien...more »
    1114. Leishmaniasis
     A rare infectious disease caused by any of a number of parasitic Leishmania species. Infection can cause any of three different manifestations: cutaneous leishmaniasis, mucosal leishmaniasis and visceral leishmaniasis....more »
    1115. Lemierre's syndrome
     A very rare condition where a throat infection leads to secondary infection and blood clot formation in the internal jugular vein. The infected blood clot can then travel to other parts of the body and cause problems. The usual bacterial culprit is Fusoba...more »
    1116. Lepraphobia
     An exaggerated or irrational fear of leprosy....more »
    1117. Leprosy
     A chronic, progressive infectious disease caused by Mycobacterium leprae which causes skin sores and also affects the eyes, mucous membranes and peripheral nerves....more »
    1118. Leptomeningitis
     A condition which is characterized by inflammation of the leptomeninges...more »
    1119. Leukemia
     Cancer of the blood cells, usually white blood cells....more »
    1120. 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 »
    1121. 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 »
    1122. 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 »
    1123. 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 »
    1124. Leukemia, Myeloid
     A form of blood cancer that causes a proliferation of the precursors or immature red blood cells, platelets and certain white blood cells such as granulocytes and monocytes....more »
    1125. Leukemia, Myeloid, Aggressive-Phase
     Myeloid leukemia is a form of cancer where the bone marrow makes too many myeloid cells (granulocytes and their precursors) in the bone marrow which accumulates in the blood and eventually invades various parts of the body. The aggressive phase of myeloid...more »
    1126. Leukemia, Myeloid, Chronic
     A slow-growing cancer where the bone marrow makes too many myeloid cells (granulocytes and their precursors) in the bone marrow which accumulates in the blood and eventually invades various parts of the body....more »
    1127. 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 »
    1128. 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 »
    1129. Leukemia, mast-cell
     A very aggressive form of leukemia - a subtype of acute myeloid leukemia. The cancer can in rare cases develop from chronic myeloid leukemia or systemic mastocytosis but generally develops on its own....more »
    1130. Leukocytoclastic angiitis -- systemic
     Inflammation of small blood vessels. Usually the small blood vessels in the skin are involved but sometimes small blood vessels in other organs such as joints, kidneys, and gastrointestinal tract may be involved. Symptoms become more serious once there is...more »
    1131. Levophobia
     An exaggerated or irrational fear of objects on the left side of the body....more »
    1132. Limnophobia
     An exaggerated or irrational fear of lakes....more »
    1133. Linonophobia
     An exaggerated or irrational fear of string....more »
    1134. Lipobay -- Teratogenic Agent
     There is evidence to indicate that exposure to Lipobay (a statin medication) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by th...more »
    1135. Lipoproteine lipase deficiency
     A rare inherited inborn error of metabolism involving the absence of the enzyme called lipoprotein lipase which results in increased blood triglyeride and chylomicron levels....more »
    1136. Listeriosis
     Bacterial food poisoning...more »
    1137. Listeriosis meningoencephalitis
     Listeria monocytogenes infection of the brain and meninges that can occur in immunocompromised people or newborns....more »
    1138. Listeriosis of pregnancy
     Listeria monocytogenes infection in pregnant women....more »
    1139. Littoral cell angioma of the spleen
     A usually benign type of tumor that develops in the spleen. The name arises from the fact that the tumor develops from the littoral cells which line the blood vessels in the spleen....more »
    1140. Liver abscess
     Pus in the liver...more »
    1141. Liver cancer
     Hepatocellular carcinoma (HCC) is a primary malignancy of the liver....more »
    1142. Liver conditions
     Any condition that affects the liver...more »
    1143. 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 »
    1144. Local anaesthetic allergy
     Using Local anaesthetic can cause an allergic response in some people however this is considered rare. It involves the body's immune system overreacting to the drug. The type and severity of symptoms can vary considerable though skin symptoms are the most...more »
    1145. Locally advanced breast cancer
    1146. Lodine -- Teratogenic Agent
     There is evidence to indicate that exposure to Lodine (used mainly for arthritis) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected ...more »
    1147. 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 »
    1148. Logophobia
     An exaggerated or irrational fear or dislike of words....more »
    1149. Loin pain, hematuria syndrome
     A rare disorder involving severe loin pain, blood in the urine and kidney dysfunction is also frequent....more »
    1150. Loquat poisoning
     Loquat is a shrubby plant which bears clusters of small white flowers and largish yellow fleshy fruit. The plant is often used in gardens as an ornamental plant. The kernel from inside the seeds contains a chemical called cyanogenic glycoside which can be...more »
    1151. Lortab overdose
     Lortab is a prescription drug used to treat. Excessive doses of the drug can result in various symptoms and even death in severe cases....more »
    1152. Lortab withdrawal
     Symptoms that occur when Lortab use is discontinued or reduced. Lortab is a pain-killer and cough reliever. Symptoms may vary depending on the level of dependence. Symptoms are usually peak during the second day and last about a week....more »
    1153. Louse-borne diseases
     Diseases that are carried by the louse and contracted by humans...more »
    1154. Lufyllin -- Teratogenic Agent
     There is evidence to indicate that exposure to Lufyllin (a bronchodilator) 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 ...more »
    1155. Lunaphobia
     An exaggerated or irrational fear of the moon....more »
    1156. Lung Cancer Susceptibility 1
     Researchers have linked a number of genes to an increased risk of developing lung cancer. The genetic predisposition plus environmental factors and lifestyle factors such as smoking translate to an increased risk of cancer. The genetic predisposition is b...more »
    1157. Lung Cancer Susceptibility 2
     Researchers have linked a number of genes to an increased risk of developing lung cancer. The genetic predisposition plus environmental factors and lifestyle factors such as smoking translate to an increased risk of cancer. The genetic predisposition is b...more »
    1158. Lung Cancer Susceptibility 3
     Researchers have linked a number of genes to an increased risk of developing lung cancer. The genetic predisposition plus environmental factors and lifestyle factors such as smoking translate to an increased risk of cancer. The genetic predisposition is b...more »
    1159. Lung Cancer Susceptibility 4
     Researchers have linked a number of genes to an increased risk of developing lung cancer. The genetic predisposition plus environmental factors and lifestyle factors such as smoking translate to an increased risk of cancer. The genetic predisposition is b...more »
    1160. Lung abscess
     Pus (abscess) in the lung...more »
    1161. Lupus
     Autoimmune disease with numerous effects on various organs and linings....more »
    1162. Lyme disease
     Lyme disease is an emerging infectious disease caused by at least three species of bacteria belonging to the genus Borrelia....more »
    1163. Lymph node neoplasm
     Lymph node tumor....more »
    1164. Lymphadenitis
     The inflammation of the one or several lymph nodes...more »
    1165. Lymphadenopathy, angioimmunoblastic with dysproteinemia
     A progressive immune system disorder that usually affects people over the age of 50 and is characterized by chills, sweating, weight loss, skin rashes....more »
    1166. Lymphangitis
     Inflammation of the lymphatic channels caused by an infectious agent....more »
    1167. Lymphatic Filariasis
     Parasitic worm infection of the lympatic system...more »
    1168. Lymphatic neoplasm
     A tumor that develops in lymphatic tissue. The tumor may be cancerous or benign....more »
    1169. Lymphatic system cancer
     Any type of cancer affecting the lymphatic system, including lymphomas....more »
    1170. Lymphatic system tumors
     Any type of tumor affecting the lymphatic system, whether cancerous or benign....more »
    1171. 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 »
    1172. Lymphocytic Choriomeningitis
     Rodent-borne viral disease often causing meningitis or encephalitis...more »
    1173. Lymphocytic leukemia
     A condition characterized by the proliferation of lymphoid tissues...more »
    1174. Lymphogranuloma venereum
     Type of chlamydia (sexually transmitted disease)...more »
    1175. Lymphoma
     Cancer involving lymph nodes and the immune system....more »
    1176. Lymphoma, AIDS-related
     HIV patients face an increased risk of various infections and cancers. AIDS-related lymphoma is lymphoma that occurs in AIDS patients. Lymphomas are white blood cell cancers (white blood cells form part of the body's immune system)....more »
    1177. Lymphoma, Large-Cell, Follicular
     A cancer of cells in the immune system. The cancer is comprised of large cells and tends to be aggressive and metastasizes readily....more »
    1178. Lymphoma, Mucosa-Associated Lymphoid Tissue
     Malignancies that occur in the lymphoid tissue found in mucosal linings (MALT) e.g. gastrointestinal tract, skin and lungs. Symptoms may vary considerably depending on which organs are involved but usually the stomach is involved. A significant portion of...more »
    1179. Lymphoma, large-cell
     A cancer of cells in the immune system. The cancer is comprised of large cells and tends to be aggressive and metastasizes readily....more »
    1180. Lymphoma, large-cell, immunoblastic
     A cancer of the immune system characterized by the presence of immunoblasts. Immunoblasts are T cells which have been transformed due to stimulation by an antigen....more »
    1181. Lymphoma, small cleaved-cell, diffuse
     A slow-growing cancer of the lymph system that involves small cells. The diffuse form has no distinguishable pattern of progression through the lymph node....more »
    1182. Lymphoma, small cleaved-cell, follicular
     A slow-growing cancer of the lymph system consisting of small cells that can circulate readily in the blood. The cancer occurs in a follicular pattern. Despite it's ability to spread, the cancer tends to be less aggressive than the large cell variety....more »
    1183. Lymphomatoid Granulomatosis
     A rare, progressive blood vessel disease where nodular lesions destroy blood vessels - lungs, skin and nervous system are mainly involved....more »
    1184. Lymphoproliferative Syndrome, X-Linked, 1
     A rare inherited immunodeficiency disorder where the body's immune systm is unable to respond appropriately to certain viral infections (Epstein Barr virus). The immune system becomes weakened following and EBV infection. As the condition in inherited in ...more »
    1185. Lymphoproliferative Syndrome, X-Linked, 2
     A rare inherited immunodeficiency disorder where the body's immune systm is unable to respond appropriately to certain viral infections (Epstein Barr virus). The immune system becomes weakened following and EBV infection. As the condition in inherited in ...more »
    1186. Lyssophobia
     An exaggerated or irrational fear of becoming insane....more »
    1187. Lysteria monocytoigeneses meningitis
     A very rare form of meningitis (bacterial infection of the brain membrane or meninges) caused by Listeria monocytogenes. The condition is more common in the elderly and those with poor immune system and death is common....more »
    1188. Machupo virus
     A virus which is the cause of a form of hemorrhagic fever occurring in Bolivia...more »
    1189. 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 »
    1190. Macrophagic myofasciitis
     A rare form inflammatory muscle disease which is more predominant in adults. A possible cause is believed to be aluminium found in some vaccines....more »
    1191. Magrassi-Leonardi syndrome
     A type of eosinophilic lung disease possibly caused by a virus. The condition may have variable presentations. Some patients have a severe pneumonia-like illness whereas other suffer fever, weakness and muscle pain for a few days....more »
    1192. Majeed syndrome
     A rare syndrome characterized by blood abnormality and recurring bone infections....more »
    1193. Malakoplakia
     A rare chronic inflammatory condition of the genitourinary system that tends to mostly affect people with weakened immune systems. Soft yellow lesions or nodules form on the gastrointestinal lining. It is believed to be the result of the bodies failed att...more »
    1194. Malaria
     A parasitic disease transmitted through mosquito bites....more »
    1195. Malignant germ cell tumor
     Malignant tumors that are made up of germ cells which are immature cells that eventually become reproductive system tissues in males and females. The symptoms depend on the location of the tumor which may occur in the ovaries, testes or anywhere along the...more »
    1196. Malignant hyperthermia
     A very rare genetic disorder where sufferers suffer episodes of adverse reactions when certain anesthetics or muscle relaxants are administered....more »
    1197. Malignant rhabdoid tumors
     An aggressive malignant tumor that occurs in children. Symptoms depend on the location of the tumor. The tumors often form in the kidneys and then tend to metastasize to the brain and sometimes the lungs. Symptoms will vary depending on the location of th...more »
    1198. Malt Worker's disease
     Inhalation of malt particles contaminated with fungus in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to...more »
    1199. Malt Worker's disease -- Aspergillus spp.
     Inhalation of malt particles contaminated with fungus (Aspergillus spp.) in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune...more »
    1200. Mansonella ozzardi infection
     Infection with a type of nematode (Mansonella ozzardi) found in Central America, South America and the Caribbean. Infection occurs through the bit of infected midges and blackflies....more »
    1201. Mantle cell lymphoma
     A form of non-Hodgkin's lymphoma (a cancer of the B-lymphocytes) which has a very poor prognosis with the 5-year survival rate being about 25%. The lymphoma can spread to other parts of the body such as the liver, spleen or bone marrow....more »
    1202. Marasmus
     A form of malnutrition caused by a severe deficiency of both protein and calories...more »
    1203. Marburg virus
     Serious virus related to Ebola....more »
    1204. Marchiafava-Micheli disease
     A blood disorder where abnormalities in erhtyrocyte membranes results in excessive destruction of red blood cells and hence anemia....more »
    1205. Marseilles fever
     An infectious disease that is caused by Rickettsia conorii which is transmitted by the brown dog tick (Rhipicephalus sanguineus). The disease occurs predominantly in Mediterranean areas such as India and Africa. The onset of symptoms is usually sudden and...more »
    1206. Mastitis
     Infected breast common in nursing mothers...more »
    1207. 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 »
    1208. Mastoiditis
     Inflammation of a bone behind the ear...more »
    1209. 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 »
    1210. Mayaro fever
     Infection with a type of virus (Mayaro virus) transmitted by mosquito bites. The disease is most common in South America. The incubation period is one to two weeks....more »
    1211. McLetchie-Aikens syndrome
     A rare disorder characterized by fever and the development of egg-shaped inflammatory nodules in the thigh muscles and eventually in the bicep muscles....more »
    1212. Measles
     Once common viral infection now rare due to vaccination....more »
    1213. Mechanophobia
     An exaggerated or irrational fear or dislike of machinery....more »
    1214. Mediastinal endodermal sinus tumors
     A rare yolk sac tumor that occurs in the mediastinal area (the area that separates the lungs). It is a type of cancer that originates from immature cells (germ cells) that evolve into gonadal tissue but can also be found in other parts of the body such as...more »
    1215. 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 »
    1216. Mediterranean Spotted Fever
     A condition caused by Rickettsia rickettsia transmitted by the tick...more »
    1217. Medullary Sponge Kidney
     A rare inherited disorder where the tubes in the kidneys that collect urine are wider than normal....more »
    1218. Medullary carcionoma
     Medullary carcinoma of the breast is a variant of breast cancer. These tumors have a similar presentation to other breast cancers but are distinguished by a characteristic histologic appearance....more »
    1219. Mefloquine -- Teratogenic Agent
     There is evidence to indicate that exposure to Mefenamic Acid 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 expo...more »
    1220. Megaloblastic Anemia 1
     A rare genetic blood disorder where a defect in the vitamin B12 receptor means that it can't be absorbed from food during digestion. As a result of the low vitamin B12 levels, the body produces increased numbers of abnormal enlarged red blood cells (megal...more »
    1221. 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 »
    1222. Melioidosis
     Bacterial infection from soil or water....more »
    1223. Meningitis
     Dangerous infection of the membranes surrounding the brain....more »
    1224. Meningococcal A
     Meningococcal meningitis is an infection that causes inflammation of the membranes covering the brain and spinal cord. Meningococcal meningitis A is caused by meningococcus A which is mostly common in hyperendemic areas in Africa known as the meningitis b...more »
    1225. Meningococcal B
     Meningococcal meningitis B is an infection that causes inflammation of the membranes covering the brain and spinal cord....more »
    1226. Meningococcal C
     Meningitis C is a strain of meningococcal meningitis, a bacterial infection of the membranes surrounding the brain and spinal cord....more »
    1227. Meningococcal disease
     Dangerous bacterial infection causing meningitis or bacteremia....more »
    1228. Meningococcal infection
     A rare infectious disease caused by a bacterium called Neisseria meningitides....more »
    1229. Meningococcemia
     A rare infectious disease whose main symptoms are upper respiratory tract infection, fever, rash and eye and ear problems....more »
    1230. Merinthophobia
     An exaggerated or irrational fear of being bound....more »
    1231. Mesenteric Adenitis
     Swollen abdominal lymph nodes...more »
    1232. Mesothelioma
     Type of lung cancer associated with asbestos....more »
    1233. Mesothelioma, adult malignant
     A rare type of malignant cancer that occurs in the pleura (chest lining) or peritoneum (abdominal lining). The cancer develops in people who have inhaled asbestos fibres. Symptoms tend to occur many years or even decades after the exposure....more »
    1234. Mesothelioma, adult malignant -- peritoneal
     A rare type of malignant cancer that occurs in the peritoneum (abdominal lining). The cancer develops in people who have inhaled asbestos fibers. Symptoms tend to occur many years or even decades after the exposure....more »
    1235. Mesothelioma, adult malignant -- pleural
     A rare type of malignant cancer that occurs in the pleura (chest lining). The cancer develops in people who have inhaled asbestos fibers. Symptoms tend to occur many years or even decades after the exposure....more »
    1236. Metal Fume Fever -- Aluminium
     Metal fume fever is a flu-like illness which can result from inhalation of aluminium oxide fumes. The condition is most likely to occur in poorly ventilated areas in the metal-working industry....more »
    1237. Metal Fume Fever -- Antimony
     Metal fume fever is a flu-like illness which can result from inhalation of antimony fumes. The condition is most likely to occur in poorly ventilated areas in the metal-working industry....more »
    1238. Metal Fume Fever -- Cadmium
     Metal fume fever is a flu-like illness which can result from inhalation of cadmium fumes. The condition is most likely to occur in poorly ventilated areas in the metal-working industry....more »
    1239. Metal Fume Fever -- Chromium
     Metal fume fever is a flu-like illness which can result from inhalation of chromium fumes. The condition is most likely to occur in poorly ventilated areas in the metal-working industry....more »
    1240. Metal Fume Fever -- Copper
     Metal fume fever is a flu-like illness which can result from inhalation of copper fumes. The condition is most likely to occur in poorly ventilated areas in the metal-working industry....more »
    1241. Metal Fume Fever -- Iron
     Metal fume fever is a flu-like illness which can result from inhalation of iron fumes. The condition is most likely to occur in poorly ventilated areas in the metal-working industry....more »
    1242. Metal Fume Fever -- Magnesium
     Metal fume fever is a flu-like illness which can result from inhalation of magnesium fumes. The condition is most likely to occur in poorly ventilated areas in the metal-working industry....more »
    1243. Metal Fume Fever -- Manganese
     Metal fume fever is a flu-like illness which can result from inhalation of manganese fumes. The condition is most likely to occur in poorly ventilated areas in the metal-working industry....more »
    1244. Metal Fume Fever -- Nickel
     Metal fume fever is a flu-like illness which can result from inhalation of nickel fumes. The condition is most likely to occur in poorly ventilated areas in the metal-working industry....more »
    1245. Metal Fume Fever -- Selenium
     Metal fume fever is a flu-like illness which can result from inhalation of selenium fumes. The condition is most likely to occur in poorly ventilated areas in the metal-working industry....more »
    1246. Metal Fume Fever -- Silver
     Metal fume fever is a flu-like illness which can result from inhalation of silver fumes. The condition is most likely to occur in poorly ventilated areas in the metal-working industry....more »
    1247. Metal Fume Fever -- Tin
     Metal fume fever is a flu-like illness which can result from inhalation of tin fumes. The condition is most likely to occur in poorly ventilated areas in the metal-working industry....more »
    1248. Metal Fume Fever -- Zinc
     Metal fume fever is a flu-like illness which can result from inhalation of zinc fumes. The condition is most likely to occur in poorly ventilated areas in the metal-working industry....more »
    1249. Metal fume fever
     Metal fume fever is a flu-like illness which can result from inhalation of iron oxide fumes. The condition is most likely to occur in poorly ventilated areas in the metal-working industry....more »
    1250. Metallophobia
     An exaggerated or irrational fear of metals....more »
    1251. Metaplastic carcinoma
     Metaplastic carcinoma of the breast is a rare neoplasm containing a mixture of epithelial and mesenchymal elements....more »
    1252. Metapneumovirus
     A type of viral respiratory infection which was first discovered early in the 21st century. The infection tends to occur mainly in children and infants or the elderly. The incubation period is probably less than a week and the virus is transmitted through...more »
    1253. Metastatic breast cancer
     Metastatic breast cancer is the term used to describe cancer that has spread from the original site in the breast to other organs or tissues in the body....more »
    1254. Meteorophobia
     An exaggerated or irrational fear of meteors or meteorites....more »
    1255. Methadone overdose
     Methadone is a prescription drug mainly used as a painkiller and to treat heroin addiction. Excessive doses of the drug can result in various symptoms and even death in severe cases....more »
    1256. 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 »
    1257. Methylphenidate -- Teratogenic Agent
     There is evidence to indicate that exposure to Methylphenidate 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 »
    1258. Metronidazole -- Teratogenic Agent
     There is evidence to indicate that exposure to Metronidazole 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 »
    1259. 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 »
    1260. 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 »
    1261. 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 »
    1262. 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 »
    1263. 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 »
    1264. Microphobia
     An exaggerated or irrational fear of microorganisms....more »
    1265. Middle ear infection
     Infection of middle ear also called otitis media....more »
    1266. Mifepristone -- Teratogenic Agent
     There is evidence to indicate that exposure to Mifepristone 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 »
    1267. Mild fever
    1268. Millian erythema
     Symptoms that occur following a course of drug injections with drugs such as arsphenamine....more »
    1269. 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 »
    1270. Miscarriage
     Loss of fetus without human interference...more »
    1271. Misogynism
     An exaggerated or irrational fear or dislike of females....more »
    1272. Misogyny
     An exaggerated or irrational fear or dislike of women....more »
    1273. Misophobia
     An exaggerated or irrational fear of dirt or being contaminated by dirt or germs....more »
    1274. Misosophy
     An exaggerated or irrational fear of wisdom....more »
    1275. Mixed connective tissue disease
     A rare disorder of the connective tissue which affects a range of body tissues and organs....more »
    1276. Mollusk-shell hypersensitivity -- inhalation
     Inhalation of sea snail shell dust in occupational settings can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to small ai...more »
    1277. Molysomophobia
     An exaggerated or irrational fear of infection....more »
    1278. Monkeypox
     A condition which is characterized by an epidemic exanthematous disease occurring in monkeys and other mammals with a clinical picture similar to smallpox...more »
    1279. Mononucleosis
     Common infectious virus....more »
    1280. Monopathophobia
     An exaggerated or irrational fear of sickness....more »
    1281. 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 »
    1282. Morphine allergy
     Taking morphine (a painkiller) can cause an allergic response in some people however this is considered rare. It involves the body's immune system overreacting to the drug. The type and severity of symptoms can vary considerable though skin symptoms are t...more »
    1283. Morphine overdose
     Morphine is a highly addictive drug used to treat pain. Excessive doses of the drug can result in various symptoms and even death in severe cases....more »
    1284. Mosquito-borne diseases
     Diseases that are carried by the mosquito...more »
    1285. Mouldy shower curtain hypersensitivity pneumonitis
     Inhalation of mold from mouldy shower curtains can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to the wood dust. Chroni...more »
    1286. Mountain fever
     A viral disease transmitted through the bite of ticks (Rocky Mountain wood tick and American dog tick) who are infected with the virus. Because the virus infects blood cells including erythrocytes, transmission can also occur through transfusion with infe...more »
    1287. Mountain tick fever
     A viral disease transmitted through the bite of ticks (Rocky Mountain wood tick and American dog tick) who are infected with the virus. Because the virus infects blood cells including erythrocytes, transmission can also occur through transfusion with infe...more »
    1288. Mucha-Habermann Disease
     A condition which is characterized by rashes and small lesions of the skin...more »
    1289. Mucha-Habermann syndrome
     A rare skin disorder characterized by recurring skin lumps, blisters and bleeding under the skin....more »
    1290. Mucormycosis
     An infectious disease caused by fungus from the order Mucorales which is normally found in the soil and in decaying plant matter. Transmission is usually through the inhalation of spores. It is generally harmless to healthy individuals but can cause infec...more »
    1291. Multi-centric Castleman's Disease
     A rare disorder characterized by a generalized overgrowth of lymph node tissue which forms a tumor-like growth. This form of Castleman's disease is progressive and can be serious....more »
    1292. Multicentric reticulohistiocytosis
     A rare condition characterized by the proliferation of histiocytes (immune cells) which causes destructive arthritis and skin nodules....more »
    1293. Mumps
     An acute viral disease that causes the salivary glands to become swollen, sore and inflamed. Immunization had greatly reduced the incidence of this disease....more »
    1294. Murine typhus
     An infectious condition which is characterized by a similar condition to that of typhus due to Rickettsia typhi....more »
    1295. Mushroom Worker's lung -- Micropolyspora faeni
     Inhalation of mushroom particles and compost contaminated with bacteria (Micropolyspora faeni) in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result ...more »
    1296. Mushroom Worker's lung -- Thermoactinomyces vulgaris
     Inhalation of mushroom particles and compost contaminated with bacteria (Thermoactinomyces vulgaris) in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms r...more »
    1297. Musicophobia
     An exaggerated or irrational fear or dislike of music....more »
    1298. Musophobia
     An exaggerated or irrational fear of mice and rats....more »
    1299. Mycobacterial infections
     Any infection that is caused by a mycobacterial organisms...more »
    1300. Mycobacterium abscessus
     A form of mycobacterium...more »
    1301. Mycobacterium avium complex infection
     Infection with an opportunistic group of bacteria. It tends to occur in immunocompromised people such as those with HIV....more »
    1302. Mycobacterium bovis
     A form of mycobacterium...more »
    1303. Mycobacterium haemophilum
     A form of mycobacterium...more »
    1304. Mycobacterium kansasii
     A form of mycobacterium...more »
    1305. Mycobacterium xenopi
     A form of mycobacterium...more »
    1306. Mycoplasma pneumoniae
     Bacterial respiratory infection...more »
    1307. Mycoplasmal pneumonia
     An infectious disease affecting the lungs and caused by Mycoplasma pneumoniae....more »
    1308. Mycosis fungoides
     Mycosis fungoides is a rare form of T-cell lymphoma of the skin. The disease is typically slowly progressive and chronic....more »
    1309. Mycosis fungoides, familial
     A rare form of lymphatic cancer (T-cell lymphoma) that primarily affects the skin and tends to occur with higher than normal frequency within a family. The skin is affected first, then the lymph nodes become inflamed and usually cancerous. The cancer can ...more »
    1310. 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 »
    1311. 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 »
    1312. Myelogenous leukemia
     A condition which is characterized proliferation of myeloid tissue and the abnormal increase in granulocytes...more »
    1313. Myeloid Sarcoma
     A rare type of tumor that develops from myeloid cells (type of immature white blood cell) and tends to usually have a greenish color. The tumor is essentially a localized solid collection of leukemic cells that occurs outside the bone marrow. It can occur...more »
    1314. Myeloproliferative diseases
     Myeloproliferative diseases are a diverse group of diseases characterised by proliferation of cells in one or more blood cell lines, but is distinct from leukemia. Diseases include chronic myelogenous leukemia, polycythemia rubra vera, myelofibrosis and e...more »
    1315. Myocarditis
     Inflammation of the myocardium (muscle walls of the heart)...more »
    1316. Myoclonus epilepsy
     A form of epilepsy (brain function disturbance) associated with involuntary muscle twitching (myoclonus)...more »
    1317. Myositis ossificans
     A very rare progressive disorder involving calcification of muscles, tendons and ligaments....more »
    1318. Mythophobia
     An exaggerated or irrational fear of making false or incorrect statements....more »
    1319. Myxophobia
     An exaggerated or irrational fear or dislike of slime....more »
    1320. NOMID syndrome
     A rare autoinflammatory disease characterized by fever, rash, arthritic changes, eye problems and chronic meningitis....more »
    1321. Naegleria
     Rare bacterial infection from contaminated water...more »
    1322. Nanukayami
    1323. Nasopharyngitis
     Nasopharyngitis is a contagious, viral infectious disease of the upper respiratory system, primarily.It is the most common infectious disease in humans...more »
    1324. Necrophobia
     An exaggerated or irrational fear of death or corpses....more »
    1325. Necrotizing fasciitis
     A severe, progressive skin infection which causes progressive destruction of skin and underlying tissue. It is caused by certain bacteria and has a high mortality rate....more »
    1326. Negative rheumatoid factor polyarthritis
     A form of rheumatoid arthritis which doesn't involves the presence of rheumatoid factor in the blood. More than one joint is involved....more »
    1327. Negrophobia
     An exaggerated or irrational fear of African Americans....more »
    1328. Neophobia
     An exaggerated or irrational fear of new things....more »
    1329. Nephophobia
     An exaggerated or irrational fear of clouds....more »
    1330. Nephrogenic diabetes insipidus
     A rare inherited condition where the kidneys can't concentrate the urine sufficiently which results in excessive urination and thirst. The condition occurs because the kidneys are unable to respond to the antidiuretic hormone....more »
    1331. Nephropathic cystinosis
     Cystinosis is a condition where excess amino acid cystine builds up to harmful levels in the body. The nephropathic form of cystinosis usually starts during infancy and can result in severe complications if untreated....more »
    1332. Neuroblastoma, Susceptibility to
     Neuroblastoma is a malignant (cancerous) tumor of infants and children that develops from nerve tissue. Symptoms depend on the size and location of the tumor. Some people have particular genetic anomalies which makes them more susceptible to developing a ...more »
    1333. Neuroblastoma, Susceptibility to, 1
     Neuroblastoma is a malignant (cancerous) tumor of infants and children that develops from nerve tissue. Symptoms depend on the size and location of the tumor. Some people have particular genetic anomalies which makes them more susceptible to developing a ...more »
    1334. Neuroblastoma, Susceptibility to, 2
     Neuroblastoma is a malignant (cancerous) tumor of infants and children that develops from nerve tissue. Symptoms depend on the size and location of the tumor. Some people have particular genetic anomalies which makes them more susceptible to developing a ...more »
    1335. Neuroblastoma, Susceptibility to, 3
     Neuroblastoma is a malignant (cancerous) tumor of infants and children that develops from nerve tissue. Symptoms depend on the size and location of the tumor. Some people have particular genetic anomalies which makes them more susceptible to developing a ...more »
    1336. Neuroblastoma, Susceptibility to, 4
     Neuroblastoma is a malignant (cancerous) tumor of infants and children that develops from nerve tissue. Symptoms depend on the size and location of the tumor. Some people have particular genetic anomalies which makes them more susceptible to developing a ...more »
    1337. Neuroblastoma, Susceptibility to, 5
     Neuroblastoma is a malignant (cancerous) tumor of infants and children that develops from nerve tissue. Symptoms depend on the size and location of the tumor. Some people have particular genetic anomalies which makes them more susceptible to developing a ...more »
    1338. Neuroblastoma, Susceptibility to, 6
     Neuroblastoma is a malignant (cancerous) tumor of infants and children that develops from nerve tissue. Symptoms depend on the size and location of the tumor. Some people have particular genetic anomalies which makes them more susceptible to developing a ...more »
    1339. Neuroectodermal tumors primitive
     A type of brain tumor that consists of small round cells and is believed to originate from primitive nerve cells in the brain. Symptoms are determined by the exact location of the tumor....more »
    1340. Neuroleptic Malignant Syndrome
     A severe, potentially fatal reaction to antipsychotic drugs....more »
    1341. Neuropathy, Hereditary Sensory, Type IV
     A rare disorder characterized mainly by insensitivity to pain and inability to sweat....more »
    1342. Neurotoxic shellfish poisoning
     Rare food poisoning from eating contaminated shellfish...more »
    1343. Neutropenia
     Reduced number of granulocytes in the blood...more »
    1344. Neutrophilic dermatosis, acute febrile
     A rare skin disorder characterized by the appearance of painful red skin lesions on various parts of the body as well as fever....more »
    1345. Nifedipine -- Teratogenic Agent
     There is evidence to indicate that exposure to Nifedipine 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 »
    1346. 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 »
    1347. Nitrofurantoin -- Teratogenic Agent
     There is evidence to indicate that exposure to Nitrofurantoin 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 expo...more »
    1348. Nocardiosis
     A rare infectious disease caused by the bacteria Nocardia asteroides which primarily affects the lung but may also involve the brain, soft tissues and other organs....more »
    1349. Noctiphobia
     An exaggerated or irrational fear of the night....more »
    1350. Nodular lymphocyte predominant Hodgkin lymphoma
     An uncommon form of Hodgkin lymphoma (an immune system cancer) characterized by the presence of nodular lymphocytes representing a nodular growth pattern of the cancer....more »
    1351. Non-Hodgkin's Lymphoma
     A type of lymphoma, a cancer affecting lymph nodes and the immune system....more »
    1352. Non-Hodgkin's lymphoma, during pregnancy
     A cancer that originates in the lymphatic system and occurs during pregnancy. The greatest problem is the fact that the cancer is usually quite aggressive and delays in delivery often results in delayed treatment and a poor prognosis....more »
    1353. Non-Specific Urethritis
     Urethral infection usually sexually transmitted...more »
    1354. 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 »
    1355. Nonspecific Interstitial Pneumonia
     A relatively uncommon form of pneumonia that has no apparent cause. Symptoms tend to develop over a period of six months to one and a half years....more »
    1356. 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 »
    1357. 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 »
    1358. 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 »
    1359. Norwalk-like viruses
     Several shellfish or oyster-associated gastro-causing viruses related to Norwalk or caliciviruses....more »
    1360. Nosocomial infections
     Any infection that originates in a hospital...more »
    1361. Nosocomial pneumonia
     A form of pneumonia which is contracted in a hospital...more »
    1362. Nosophobia
     An exaggerated or irrational fear of contracting a disease....more »
    1363. Novacaine drug allergy
     Taking Novacaine (local anesthetic often used in dentistry) can cause an allergic response in some people however this is considered rare. It involves the body's immune system overreacting to the drug. The type and severity of symptoms can vary considerab...more »
    1364. Nudophobia
     An exaggerated or irrational fear of nudity....more »
    1365. Observation hip syndrome
     A transient disorder that affects children and teenagers and involves hip problems which tend to resolve within weeks. It is believed to be due to inflammation of the hip caused by injury or infection....more »
    1366. Obstructive Jaundice
     Condition where blockage of the flow of bile from the liver causes overspill of bile products into the blood and incomplete bile excretion from the body....more »
    1367. Occupational Cancer -- Hematopoietic system cancer
     Occupational exposure to X-radiation can increase the risk of developing hematopoietic system cancer....more »
    1368. Occupational Cancer -- Hodgkin's lymphoma
     Occupational exposure to wood dust can increase the risk of developing Hodgkin's lymphoma....more »
    1369. Occupational Cancer -- Liver cancer
     Occupational exposure to vinyl chloride can increase the risk of developing liver cancer....more »
    1370. Occupational Cancer -- Lung cancer
     Occupational exposure to arsenic can increase the risk of developing lung cancer....more »
    1371. Occupational Cancer -- Lymphatic cancer
     Occupational exposure to X-radiation can increase the risk of developing lymphatic cancer....more »
    1372. Occupational Cancer -- Mesothelioma
     Occupational exposure to asbestos can increase the risk of developing mesothelioma....more »
    1373. Occupational Cancer -- Non-Hodgkin's Lymphoma
     Occupational exposure to halogenated hydrocarbons can increase the risk of developing Non-Hodgkin's Lymphoma....more »
    1374. Occupational Cancer -- Respiratory tract cancer
     People employed in occupations which involves chronic exposure to arsenic, asbestos, cadmium, beryllium, chromium, diesel exhaust, silica and nickel can lead to an increased risk of developed respiratory tract cancers such as bronchial cancer, lung cancer...more »
    1375. Occupational Cancer -- Soft tissue sarcoma
     Occupational exposure to chlorophenoxy herbicides can increase the risk of developing soft-tissue sarcoma....more »
    1376. Ochlophobia
     An exaggerated or irrational fear of crowds....more »
    1377. Ochophophobia
     An exaggerated or irrational fear of vehicles....more »
    1378. Odontophobia
     An exaggerated or irrational fear of teeth. The fear is usually associated with animal's teeth....more »
    1379. Oecophobia
     An exaggerated or irrational fear or dislike of home surroundings....more »
    1380. Oenophobia
     An exaggerated or irrational dislike or hatred of wine....more »
    1381. Oesophagostomiasis
     A parasitic intestinal infection caused by a nematode called Oesophagostomum bifurcum. The parasite commonly infects monkeys, goats, cattle, sheep and pigs. The infection is relatively rare in humans but is most commonly found in northern Togo and Ghana. ...more »
    1382. Ogilvie's syndrome
     A rare gastrointestinal disorder where the peristaltic action of the colon is absent which prevents fecal matter from passing through....more »
    1383. Oikophobia
     An exaggerated or irrational dislike or fear of home surroundings....more »
    1384. Oinophobia
     An exaggerated or irrational dislike or hatred of wine....more »
    1385. 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 »
    1386. Olfactophobia
     An exaggerated or irrational fear or dislike of smells....more »
    1387. Oligodontia, keratitis, skin ulceration and arthroosteolysis
     A rare condition characterized by a variety of abnormalities including missing teeth, recurring skin ulceration, eye problems and nail symptoms....more »
    1388. Ombrophobia
     An exaggerated or irrational fear of rain or being rained on....more »
    1389. Ommetaphobia
     An exaggerated or irrational fear of eyes....more »
    1390. Omsk hemorrhagic fever
     A hemorrhagic fever caused by a virus. A serious outbreak occurred in Omsk and hence the name. Transmission occurs through tick bites. The infection has two phases: the first acute phase involves symptoms such as fever, rash and muscle pain and the second...more »
    1391. Onomatophobia
     An exaggerated or irrational fear of a certain name or words due to their supposed importance....more »
    1392. Oophoritis
     Ovary inflammation...more »
    1393. Ophibiophobia
     An exaggerated or irrational fear of snakes....more »
    1394. Ophidophobia
     An exaggerated or irrational fear of snakes....more »
    1395. Opisthorchiasis
     Infection with a type of fluke (Southeast Asian liver fluke or cat liver fluke). Infection usually occurs by consuming infected undercooked fish. Acute infection may cause fever, joint pain, rash, eosinophilia and lymphadenopathy where as chronic infectio...more »
    1396. Opium overdose
     Opium is an illegal recreational drug. Excessive doses of the drug can result in various symptoms and even death in severe cases....more »
    1397. Opportunistic infections
     Is defined as an infection that occurs due to an organism that does not usually cause disease but becomes pathogenic under certain conditions...more »
    1398. Optic neuropathy, anterior ischemic
     Impaired vision due to optic nerve damage caused by problems with the blood supply to the nerve. The non-arteritic form is caused by and interrupted blood supply to the optic disk. Usually one eye is affected first and maybe eventually be followed by the ...more »
    1399. Oral thrush
     Candida fungal infection of the mouth....more »
    1400. Oriental Hornet poisoning
     The Oriental hornet can deliver a venomous sting which can result in serious and even life-threatening symptoms. Allergies to the venom are also a possible life-threatening consequence. Multiple stings increase the severity of symptoms....more »
    1401. Ornithophobia
     An exaggerated or irrational fear of birds....more »
    1402. Orthomyxovirus-related Cold
     An Orthomyxovirus-related cold is a relatively minor contagious infection of the nose and throat caused by the Orthomyxovirus. Although colds can cause discomfort they are not considered a serious condition....more »
    1403. Osmophobia
     An exaggerated or irrational fear of odors....more »
    1404. Osphresiophobia
     An exaggerated or irrational fear of odors....more »
    1405. Osteoarthritis
     Osteoarthritis is a chronic condition characterised by mechanical disrturbances due to degradation of joints. It is the most common form of arthritis, and the leading cause of chronic disability....more »
    1406. Osteomyelitis
     A bone inflammation caused by bacteria. The inflammation usually originates in another part of the body and is transported to the bone via the blood....more »
    1407. Otitis
     Any type of ear inflammation or infection (otitis)...more »
    1408. Ovarian cysts
     Cysts occurring in the ovaries....more »
    1409. Oxcarbazepine -- Teratogenic Agent
     There is evidence to indicate that exposure to Oxcarbazepine 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 »
    1410. Oxycontin overdose
     Oxycontin is a prescription drug mainly used to treat pain. Excessive doses of the drug can result in various symptoms and even death in severe cases....more »
    1411. PFIC
     A rare inherited condition where bile is unable to drain from the liver where it builds up and causes progressive liver damage. End-stage liver disease usually occurs before adulthood. There are three different subtypes of the disorder, each with a differ...more »
    1412. Pancolitis
     Pancolitis is also known as ulcerative colitis which is an idiopathic chronicinflammatory disorder of the colon and rectum and involves the entire thickness of the colon....more »
    1413. Pancreatic abscess
     A localized pus-filled cavity (abscess) in the pancreas which usually occurs after pancreatitis. Death can occur if the abscess is not drained....more »
    1414. Pancreatitis
     Inflammation of the pancreas causing digestive complaints....more »
    1415. Panic attack
     Sudden attack of unreasonable panic or fear without any real danger...more »
    1416. Panniculitis
     A group of conditions that cause inflammation of the subcutaneous fat....more »
    1417. Panphobia
     An exaggerated or irrational fear of everything or a generalized state of anxiety or fear not related to any one particular thing....more »
    1418. Papaphobia
     An exaggerated or irrational fear of the pope or papacy....more »
    1419. Paprika splitter's lung
     Inhalation of paprika dust in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to the contaminat...more »
    1420. Paprika splitter's lung -- Mucor Stolonifer
     Inhalation of paprika dust contaminated with a pathogen (Mucor Stolonifer) in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immu...more »
    1421. Para-Amino Salicylic Acid -- Teratogenic Agent
     There is evidence to indicate that exposure to Para-Amino Salicylic Acid 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 le...more »
    1422. Para-amino benzoic acid overuse
     High doses of para-amino benzoic acid (member of the vitamin B family) cause symptoms....more »
    1423. Paragonimiases -- lung infection
     Infection by a parasitic worm, Paragonimus westermani, which are a type of lung fluke which invade the lungs and other organs where they cause problems. Infection occurs through eating freshwater crabs and crayfish which have not been cooked sufficiently....more »
    1424. Paragonimiasis
     Infection by a parasitic worm, Paragonimus westermani, which are a type of lung fluke which invade the lungs, and sometimes other organs, where they cause problems. Occasionally the parasites infect the brain which can occasionally result in death. Infect...more »
    1425. Parainfluenza
     Milder influenza-like infection...more »
    1426. Parainfluenza virus type 1
     Parainfluenza is an influenza-like viral disease that can cause croup, upper respiratory tract infection, pneumonia or bronchiolitis. Type 1 virus occurs during autumn every second year and tends to primarily cause croup as well as respiratory tract infec...more »
    1427. Parainfluenza virus type 2
     Parainfluenza is an influenza-like viral disease that can cause croup, upper respiratory tract infection, pneumonia or bronchiolitis. Type 2 virus occurs during autumn every second year and tends to primarily cause respiratory tract illness but is milder ...more »
    1428. Parainfluenza virus type 3
     Parainfluenza is an influenza-like viral disease that can cause croup, upper respiratory tract infection, pneumonia or bronchiolitis. Type 3 virus occurs during spring and summer in temperate climates but can continue into autumn....more »
    1429. Parainfluenza virus type 4
     Parainfluenza is an influenza-like viral disease that can cause croup, upper respiratory tract infection, pneumonia or bronchiolitis. Type 4 virus causes mild sporadic illness....more »
    1430. Paralipophobia
     An exaggerated or irrational fear of neglecting some duty or responsibility....more »
    1431. Paramyxovirus -related Cold
     A Paramyxovirus-related cold is a relatively minor contagious infection of the nose and throat caused by the Paramyxovirus. Although colds can cause discomfort they are not considered a serious condition....more »
    1432. Paraneoplastic Autoimmune Syndromes
     A group of symptoms that occur in some individuals that are carriers of cancer...more »
    1433. Paraneoplastic syndromes
    1434. Paraphobia
     An exaggerated or irrational fear of sexual perversion....more »
    1435. Parasitic appendicitis
     Appendicitis is inflammation of the inner lining of the vermiform appendix that spreads to its other parts. Appendicitis may occur for several reasons, with parasitic diseases being one of the causes....more »
    1436. Parasitophobia
     An exaggerated or irrational fear of parasites....more »
    1437. Paraskavedekatriaphobia
     An exaggerated or irrational fear of Friday the 13th....more »
    1438. Paratyphoid fever
     A condition which is caused by the bacterium Salmonella Paratyphi...more »
    1439. Paroxetine -- Teratogenic Agent
     There is evidence to indicate that exposure to Paroxetine 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 »
    1440. Parrot Breeder's disease
     Inhalation of parrot dropping in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to the protein...more »
    1441. Parthenophobia
     An exaggerated or irrational fear of or aversion to young girls....more »
    1442. Pasteurella multocida
     An infectious disease caused by a bacterium called Pasteurella multocida. It is often transmitted through bites and scratches from pets and it can be found in mammals and fowl....more »
    1443. Pathophobia
     An exaggerated or irrational fear of disease....more »
    1444. Pauli's hypersensitivity pneumonitis
     Inhalation of Pauli's reagent in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. Chronic exposure can lead to progressive lung symptoms which can gradually lead to symptom...more »
    1445. Peach seed poisoning
     Peach seeds contain a chemical called amygdalin which breaks down into cyanide in the human body. The toxic chemicals are not released if the seed remains intact and therefore poisoning usually occurs if the seeds are crushed and eaten. Accidental ingesti...more »
    1446. Peccatiphobia
     An exaggerated or irrational fear of sinning....more »
    1447. Pediatric AIDS
     Pediatric AIDS is an immune system disease in infants or children caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AI...more »
    1448. Pediculophobia
     An exaggerated or irrational fear of lice....more »
    1449. Pediophobia
     An exaggerated or irrational fear or dislike of children....more »
    1450. Peganone -- Teratogenic Agent
     There is evidence to indicate that exposure to Peganone (an anticonvulsant 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 b...more »
    1451. Peladophobia
     An exaggerated or irrational fear of baldness....more »
    1452. Pelvic Inflammatory Disease
     Infection of the womb and fallopian tubes....more »
    1453. Pelvic abscess
     A pus-filled cavity in the pelvis due to infection....more »
    1454. Pelvic inflammatory disease like symptoms
     The main symptoms of pelvic inflammatory disease include diarrhoea, fever and abdominal pain....more »
    1455. Pemphigus
     A rare group of autoimmune skin disorders where blisters or raw sores develop on the skin and mucous membranes. The bodies immune system destroys proteins the hold skin cells together resulting in blistering. The condition can be life-threatening if untre...more »
    1456. Pemphigus and fogo selvagem
     An autoimmune skin disease characterized by skin blisters and a burning sensation. It is endemic particularly in Brazil but may also occur in other countries....more »
    1457. Peniaphobia
     An exaggerated or irrational fear of poverty....more »
    1458. Penicillamine -- Teratogenic Agent
     There is evidence to indicate that exposure to Penicillamine 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 »
    1459. Penicillin allergy
     Taking penicillin (a type of antibiotic) can cause an allergic response in some people. It involves the body's immune system overreacting to the drug. The type and severity of symptoms can vary considerable though skin symptoms are the most common allergi...more »
    1460. 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 »
    1461. Pentheraphobia
     An exaggerated or irrational fear of mother-in-law....more »
    1462. Percocet overdose
     Percocet is a prescription drug used to treat pain. Excessive doses of the drug can result in various symptoms and even death in severe cases....more »
    1463. Percocet withdrawal
     Symptoms that occur when Percocet use is discontinued or reduced. Symptoms may vary depending on the level of dependence....more »
    1464. Perichondritis
     Inflammation of the tissue surrounding the ear cartilage. The inflammation can result from such things as trauma, burns, piercings and chronic ear infections. Prompt treatment is needed to prevent deformity of the ears....more »
    1465. Periorbital Cellulitis
     Bacterial infection of the superficial tissues surrounding the eyes, often following a conjunctivitis or middle ear infection...more »
    1466. Peripheral T-cell lymphoma
     An aggressive form of non-Hodgkin's lymphoma characterized by the proliferation of abnormal T-lymphocytes that circulate in the blood in the peripheral parts of the body. It is a rapidly growing lymphoma....more »
    1467. Peripheral neuroectodermal tumor
     A type of tumor that consists of small round cells and occurs in bone or soft tissue in the extremities of the body such as the arms, legs, pelvis or chest wall. Symptoms are determined by the location of the tumor. The tumor may be malignant or benign....more »
    1468. Perirectal abscess
     A pus-filled cavity that develops in the anal opening. The inflammation can be caused by injury to the anal area which can lead to bacteria entering the anal skin. The injury may be related to such things as anal fissures, hemorrhoids....more »
    1469. Peritonitis
     Inflammation of the lining of the abdominal cavity...more »
    1470. 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 »
    1471. Persistent anxiety
     Anxiety is a feeling of apprehension or fear....more »
    1472. Phagophobia
     An exaggerated or irrational fear of eating....more »
    1473. Phalacrophobia
     An exaggerated or irrational fear of becoming bald....more »
    1474. Pharmacophobia
     An exaggerated or irrational fear of drugs....more »
    1475. Pharyngitis
     Inflammation or infection of the larynx in the throat...more »
    1476. Pharyngoconjunctival fever
     An infectious disease usually caused by adenovirus type 3. The infection may be acute, epidemic or sporadic and is more common in children. Infection can be transmitted through swimming pools. The incubation period is 5-9 days....more »
    1477. Phasmophobia
     An exaggerated or irrational fear of ghosts....more »
    1478. Phenindione -- Teratogenic Agent
     There is evidence to indicate that exposure to Phenindione 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 »
    1479. Phenobarbital -- Teratogenic Agent
     There is evidence to indicate that exposure to Phenobarbital 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 »
    1480. Phenogophobia
     An exaggerated or irrational fear of daylight....more »
    1481. Phenophobia
     An exaggerated or irrational fear of noise....more »
    1482. Phenylbutazone -- Teratogenic Agent
     There is evidence to indicate that exposure to Phenylbutazone 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 expo...more »
    1483. Phenytoin -- Teratogenic Agent
     There is evidence to indicate that exposure to Phenytoin 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 »
    1484. Pheochromocytoma
     Pheochromocytoma is a neuroendocrine tumor of the medulla of the adrenal glands (originating in the chromaffin cells), or extra-adrenal chromaffin tissue that failed to involute after birth and secretes excessive amounts of catecholamines, usually epineph...more »
    1485. Philadelphia-negative chronic myeloid leukemia
     A form of leukemia....more »
    1486. Philosophobia
     An exaggerated or irrational fear or dislike of philosophers or philosophy....more »
    1487. Phobophobia
     An exaggerated or irrational fear of fear....more »
    1488. Phonemophobia
     An exaggerated or irrational fear of thinking....more »
    1489. Phonophobia
     An exaggerated or irrational fear of noise....more »
    1490. Photalgiophobia
     An exaggerated or irrational fear of eye pain caused by light....more »
    1491. Photoallergic eruption
     A skin condition that develops in response to sun exposure on skin to which chemicals such as sunscreen, cosmetics, ointment or fragrance has been applied. The ingestion of certain drugs can also trigger the condition. The reaction may be delayed so that ...more »
    1492. Photophobia
     An exaggerated or irrational fear of light....more »
    1493. Pigeon Breeder's disease
     Inhalation of pigeon dropping in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to the protein...more »
    1494. Plague
     A rare but serious bacterial infection involving the bacterium Yersinia Pestis which can be carried by rodents and transmitted to humans by flea bites or through direct contact with an infected animal....more »
    1495. Plant poisoning -- Amygdalin
     Amygdalin is a chemical found naturally in various plants e.g. stone fruit kernels and raw almonds. Eating these parts of the plant that contain the chemical can cause symptoms of cyanide poisoning as the amygdalin is converted to cyanide by the digestive...more »
    1496. Plant poisoning -- Cyanogenic glycoside
     Cyanogenic glycoside is a toxin found naturally in various plants e.g. cherries, plums, almonds, peaches, apricots, apples and cassava. The chemical is usually concentrated in the seeds, kernels or wilted leaves. Eating these parts of the plant that conta...more »
    1497. Plant poisoning -- Digitalis glycoside
     Digitalis glycoside is a toxin found naturally in plants such as the foxglove. The main symptoms of relatively mild poisoning are gastrointestinal and the effect on the heart usually results in changes in heart rate. Serious cases can result in symptoms s...more »
    1498. Plasma cell leukemia
     A form of leukemia characterized by the proliferation of plasma cells in the peripheral blood system. The prognosis is generally poor for this usually aggressive condition....more »
    1499. Plasmodium falciparum
     A protozoan that causes falciparum malaria...more »
    1500. Plasmodium malariae
     A protozoan that causes quartan malaria...more »
    1501. Plasmodium ovale
     A protozoan that causes malaria...more »
    1502. Plasmodium vivax
     A protozoan that causes malaria...more »
    1503. Pleurisy
     Inflammation of the pleural membrane...more »
    1504. Pleuropulmonary blastoma
     A type of tumor that originates from precursor cells or blasts (immature or embryonic tissue) in the lungs or covering of the lungs....more »
    1505. Plexosarcoma
     A rare type of tumor that occurs in the gastrointestinal tract and retroperitoneum....more »
    1506. Pneumatophobia
     An exaggerated or irrational fear of spirits....more »
    1507. Pneumococcal meningitis
     Pneumococcal meningitis is an inflammation or infection of the membranes covering the brain and spinal cord caused by Streptococcus pneumoniae (also called pneumococcus)....more »
    1508. Pneumococcal pneumonia
     Lung pneumnoia from streptococcus bacteria....more »
    1509. Pneumocystic carinii pneumonia
     An infectious disease caused by the fungus called Pneumocystitis carinii which causes pneumonia. It primarily occurs in people with a poor immune system....more »
    1510. Pneumocystosis
     Infection of the lung by a fungal organism called pneumocystis Carinii. The organism is found readily in most environments but generally does not affect healthy individuals. It occurs almost exclusively in immunocompromised people such as AIDS sufferers o...more »
    1511. Pneumocytosis
     A pneumonia caused by a fungal infection...more »
    1512. Pneumonia
     Infection of the lung by bacteria, viruses or fungus....more »
    1513. Pneumonia caused by serotype O11 Pseudomonas Aeruginosa
     Inflammation of the lungs and bronchioles caused by an opportunistic pathogen called Pseudomonas Aeruginosa....more »
    1514. Pneumonia, Aspiration
     Inflammation of the lungs and bronchioles caused by breathing in liquids and solids (usually the stomach contents)....more »
    1515. Pneumonia, Bacterial
     Inflammation of the lungs and bronchioles caused by bacteria....more »
    1516. 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 »
    1517. Pneumonia, Viral
     Inflammation of the lungs and bronchioles caused by a virus....more »
    1518. Pneumonia, eosinophilic
     Infiltration of the lungs by eosinophils (type of white blood cell) which can be caused by asthma or as a reaction to certain drugs or parasitic infections....more »
    1519. Pneumonitis
     Inflammation of the lungs...more »
    1520. Pnigophobia
     An exaggerated or irrational fear of choking or smothering....more »
    1521. Pogonophobia
     An exaggerated or irrational fear or dislike of beards....more »
    1522. 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 »
    1523. Poinephobia
     An exaggerated or irrational fear of punishment....more »
    1524. Poisonous snakebite
     A snakebite which is poisonous to humans...more »
    1525. Poisonous snakebites
     Multiple snakebites which are poisonous...more »
    1526. Polio
     Dangerous virus now rare due to vaccination....more »
    1527. Politicophobia
     An exaggerated or irrational fear or dislike of politicians....more »
    1528. Polyarteritis nodosa
     A serious blood vessel disease where small and medium-sized arteries become swollen and damaged and are unable to adequately supply oxygenated blood to various tissues in the body. The disease can occur in a mild form or a serious, rapidly fatal form....more »
    1529. Polyarthritis, rheumatic factor-negative
     A form of rheumatoid arthritis which doesn't involves the presence of rheumatoid factor in the blood. More than one joint is involved....more »
    1530. Polychondritis
     A serious, progressive, episodic condition characterized by inflammation and degeneration of cartilage in the body. The duration and severity of the episodes can vary....more »
    1531. Polymer Fume Fever
     Polymer fume fever is a flu-like illness which can result from inhalation of fumes which can occur when Polytetrafluoroethylene (commercially known as Fluon, Teflon and Halon) is heated to high temperatures. The condition is most likely to occur in poorly...more »
    1532. Polymorphous light eruption
     A bumpy, itchy skin rash that develops in certain people in response to sun exposure. Symptoms tend to persist for a number of days even after sun exposure stops. The skin can harden and become desensitized to the effects of the sun with repeated exposure...more »
    1533. Polyomavirus Infections
     A viral infection that is often acquired during childhood but generally presents no symptoms. However, that virus may be reactivated when a patient receives immunosuppressive therapy following an organ transplant. Most adults have antibodies to the virus ...more »
    1534. Polyphobia
     An exaggerated or irrational fear of lots of things....more »
    1535. Ponophobia
     An exaggerated or irrational fear of fatigue or exhaustion. It primarily relates to fear of fatigue associated with working too hard....more »
    1536. Pontiac fever
     Mild form of legionellosis usually in healthy people....more »
    1537. Porphyria
     A group of disorders characterized by excess production of porphyrin or its precursors which affects the skin and/or nervous system....more »
    1538. Porphyria, hereditary coproporphyria
     An inherited disorder that affects the nervous system and sometimes the skin. It occurs when a metabolic disorder results in excessive production of coproporphyrins which accumulate in body tissues and is excreted in large amounts....more »
    1539. Positive rheumatoid factor polyarthritis
     A form of rheumatoid arthritis which involves the presence of rheumatoid factor in the blood. More than one joint is involved....more »
    1540. Possible human carcinogenic exposure -- Bleomycin
     Some evidence indicates that exposure to Bleomycin has a possible link to an increased risk of developing cancer in humans. The carcinogenicity of the substance may be influenced by the duration and level of exposure. Bleomycin is used primarily as a chem...more »
    1541. Possible human carcinogenic exposure -- Dacarbazine
     Some evidence indicates that exposure to Dacarbazine has a possible link to an increased risk of developing cancer in humans. The carcinogenicity of the substance may be influenced by the duration and level of exposure. Dacarbazine is used as a chemothera...more »
    1542. Possible human carcinogenic exposure -- Medroxyprogesterone acetate
     Some evidence indicates that exposure to Medroxyprogesterone acetate has a possible link to an increased risk of developing cancer in humans. The carcinogenicity of the substance may be influenced by the duration and level of exposure....more »
    1543. Possible human carcinogenic exposure -- Zalcitabine
     Some evidence indicates that exposure to Zalcitabine has a possible link to an increased risk of developing cancer in humans. The carcinogenicity of the substance may be influenced by the duration and level of exposure. Zalcitabine has been used as an ant...more »
    1544. Possible human carcinogenic exposure -- Zidovudine
     Some evidence indicates that exposure to Zidovudine (an anti-HIV drug) has a possible link to an increased risk of developing cancer in humans. The carcinogenicity of the substance may be influenced by the duration and level of exposure....more »
    1545. Post-transplant lymphoproliferative disease
     The development of B cell lymphomas that occurs as a complication due to the use of immunosuppressants following an organ transplant. The disorder can be alleviated by reducing immunosuppressant use but sometimes non-Hodgkin's lymphoma can develop which m...more »
    1546. Posteriophobia
     An exaggerated or irrational fear of falling behind....more »
    1547. Posthemorrhagic anemia
     Posthemorrhagic anemia refers to a reduced number of red blood cells in the body due to bleeding....more »
    1548. Postinfectious cough
     Patients who complain of a persistent cough lasting > 3 weeks after experiencing the acute symptoms of an upper respiratory tract infection with normal chest radiograph findings,may have a postinfectious cough...more »
    1549. Postoperative Abdominal Wound Dehiscence
     The breakdown of a postoperative abdominal wound...more »
    1550. Postoperative septicaemia
     When a person contracts a bacterial infection in their blood system that occurs after an operation...more »
    1551. Postoperative septicemia
     Septicemia (blood poisoning) after surgery from an infection....more »
    1552. Postpartum hyperthyroidism
     Postpartum thyroiditis is a postpartum condition that results in temporary hyperthyroidism (overactive thyroid) or hypothyroidism....more »
    1553. Postpartum hypothyroidism
     Postpartum hypothyroidism is a relatively common disorder that has previously been unrecognized and untreated. Although symptoms are temporary and usually mild, most women are relieved to learn that their symptoms are not all in their heads, that they are...more »
    1554. Postperfusion lung syndrome
     A breathing complication that can occur within hours of heart surgery involving blood transfusions. Death is relatively common with this complication....more »
    1555. Postperfusion syndrome
     A complication that can occasionally occur following blood transfusion. The condition is believed to be caused by Ebstein-Barr virus or cytomegalovirus present in the transfused blood....more »
    1556. Postpericardiotomy syndrome
     A complication that can occur after open-heart surgery. Symptoms can occur from days to weeks after the surgery. The condition is possibly caused by an autoimmune process triggered by a virus....more »
    1557. Potamophobia
     An exaggerated or irrational fear of rivers....more »
    1558. Potophobia
     An exaggerated or irrational fear of drinks....more »
    1559. Poxviridae disease
     A group of infectious diseases that cause puss filled skin eruptions. Chicken pox and small pox are examples....more »
    1560. Pre-invasive breast cancer
    1561. Precalicial canalicular ectasia
     A rare inherited disorder where the tubes in the kidneys that collect urine are wider than normal....more »
    1562. 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 »
    1563. 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 »
    1564. 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 »
    1565. Primary amebic meningoencephalitis
     A relatively rare but serious infectious disease caused by Naegleria fowleri which is a type of free-living amoeba that can be found in warm fresh water and damp soil. The incubation period is from a few days to a week....more »
    1566. Primary granulocytic sarcoma
     A malignant tumor derived from immature white blood cells called myeloblasts. It can occur anywhere in the body but is most commonly found in bone, soft tissue, lymph nodes and skin. Symptoms will vary according to the location of the tumor....more »
    1567. Primary malignant lymphoma
     The excessive proliferation of lymphocytes which forms part of the immune system. Primary cancers refer to the fact that the cancer originated in the lymph cells rather than having metastasized....more »
    1568. Primary sclerosing cholangitis
     Primary sclerosing cholangitis (PSC) is a chronic cholestatic liver disease of unknown etiology that is recognized increasingly in children....more »
    1569. Primidone -- Teratogenic Agent
     There is evidence to indicate that exposure to Primidone 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 »
    1570. Privet poisoning
     Privet is a shrubby plant which bears elongated clusters of small white flowers and black berries. The plant can be found growing in the wild or in gardens. The berries contain chemicals (ligustrin, syringin and other glycosides) which can cause symptoms ...more »
    1571. Probable human carcinogen -- Azacitidine
     Azacitidine is a drug deemed to be a probable carcinogen to humans. The carcinogenicity of the substance may be influenced by the duration and level of exposure....more »
    1572. Probenecid -- Teratogenic Agent
     There is evidence to indicate that exposure to Probenecid 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 »
    1573. Prochlorperazine -- Teratogenic Agent
     There is evidence to indicate that exposure to Prochlorperazine 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 »
    1574. Procrit -- Teratogenic Agent
     There is evidence to indicate that exposure to Procrit (used to treat some forms of anemia) 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...more »
    1575. 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 »
    1576. Prostatic abscess
     Prostatic abscess, which is an uncommon but well-described complication of acute bacterial prostatitis (ABP), is a potential indication for surgery....more »
    1577. Prostatic malacoplakia associated with prostatic abscess
     A rare condition characterized by prostatic malacoplakia (mucosal lesion) which also involves a prostate abscess. Malacoplakia is an inflammatory disease the usually affects the genitourinary system. The condition may be misdiagnosed as prostate cancer....more »
    1578. Protozoan Conditions
     Any condition caused by the infection of the human being by a protozoan organism...more »
    1579. Protozoan infections
     A condition which is characterized by an infection caused by protozoans...more »
    1580. Pseudomembranous Colitis
     Diarrhoeal illness caused by the bacteria Clostridium difficile, usually following a recent course of antibiotics and disruption of normal bowel bacteria...more »
    1581. Pseudomonas pseudomallei
     A form of pseudomonas...more »
    1582. Pseudomonas stutzeri infections
     A bacterial infection found in soil and water environments....more »
    1583. Psittacosis
     An infectious disease caused by Chlamydia psittaci and transmitted mainly by infected birds but also by some mammals....more »
    1584. Psychophobia
     An exaggerated or irrational fear of the mind....more »
    1585. Pteronophobia
     An exaggerated or irrational fear of feathers....more »
    1586. Puerperal fever
     Delayed uterine infection after childbirth...more »
    1587. Pulmonary Anthrax
     Inhaled lung anthrax, most severe form of anthrax....more »
    1588. Pulmonary edema of mountaineers
     A severe complication of mountain sickness resulting from a lack of oxygen at high altitudes....more »
    1589. Pulmonary embolism
     Blocked lung blood vessel often from a blood clot....more »
    1590. Pulmonary haemosiderosis, primary
     A rare condition characterized by anemia, coughing up blood and iron deposits in the lungs. The disorder is the result of recurring bleeding in the lungs which leads to a buildup of iron in the lungs. Symptoms may develop slowly or quickly and may become ...more »
    1591. Pulmonary infections related to AIDS
     It usually occurs due to decreased immunity....more »
    1592. Pulmonary mucormycosis
     An infectious disease caused by fungus from the order Mucorales which is normally found in the soil and in decaying plant matter. Transmission is usually through the inhalation of spores. It is generally harmless to healthy individuals but can cause infec...more »
    1593. Pulmonary zygomycosis
     An infectious disease caused by fungus from the order Mucorales which is normally found in the soil and in decaying plant matter. Transmission is usually through the inhalation of spores. It is generally harmless to healthy individuals but can cause infec...more »
    1594. Pulp Worker's disease
     Inhalation of pulp particles contaminated with fungus in an occupational setting (paper mill industry) can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's imm...more »
    1595. Pulp Worker's disease -- Alternaria spp.
     Inhalation of pulp particles contaminated with fungus (Alternaria spp.) in an occupational setting (e.g. paper mill industry) can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms res...more »
    1596. Puss caterpillar poisoning
     The puss caterpillar has hollow, poison-filled spines amongst the hairs along its body. It is found mainly in the southern states of the United states. It is often found feeding on trees such as elm, oak and sycamore. Contact with the poisonous spines can...more »
    1597. Pyelonephritis
     Kidney and ureter infection usually bacterial from the bladder....more »
    1598. Pylephlebitis
     A pus-producing inflammation of the wall of the portal vein that drains blood from the abdominal part of the gastrointestinal tract. The infection is often fatal. It usually occurs as a complication of abdominal or pelvic infections such as diverticulitis...more »
    1599. 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 »
    1600. Pyomyositis
     A bacterial infection of the muscles caused by Staphylococcus aureus. It occurs in tropical areas and people with weak immune systems are the most vulnerable....more »
    1601. Pyrexiophobia
     An exaggerated or irrational fear of fever....more »
    1602. 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 »
    1603. Pyrophobia
     An exaggerated or irrational fear of fire....more »
    1604. Q fever
     A disease caused by Coxiella burnetti which causes fever, headache and muscle pain....more »
    1605. Queensland tick typhus
     Form of typhus from North-Australian ticks...more »
    1606. 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 »
    1607. Quinsy
     Tonsil abscess...more »
    1608. 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 »
    1609. Rat-bite fever
     An infectious diseases where a bite from a rate transmits a bacterial or fungal infection. The symptoms depend on the infecting organism....more »
    1610. Rectophobia
     An exaggerated or irrational fear of the rectum....more »
    1611. Rectractile mesenteritis
     A disorder involving the tissue that connects the small intestine to the back of the back of the abdominal wall (mesentery) and is characterized by infection and inflammation followed by fibrosis....more »
    1612. Recurring airway infection
    1613. Recurring meningitis
     This is a form of benign, recurrent, aseptic meningitis....more »
    1614. Red spider lily poisoning
     Red spider lily is a bulbous herb which has long, narrow leaves and long stems of yellow or red flowers. It is often used in gardens as an ornamental plant. The bulb contains a chemical called lycorine which can cause various symptoms if eaten. The plant ...more »
    1615. Reflex sympathetic dystrophy syndrome
     A condition characterized by pain and reduced range of motion in the shoulder and hand of the affected arm....more »
    1616. Reflux nephropathy
     A condition which is characterized by reflux of urine from the bladder back up the ureters...more »
    1617. Reiter’s syndrome
     A form of reactive arthritis characterized by arthritis, urethritis, conjunctivitis and skin lesions....more »
    1618. Relapsing fever
     Tick-borne disease with symptoms that resolve and then relapse...more »
    1619. Renal Cell Carcinoma 2
     A genetic form of kidney cancer....more »
    1620. Renal Cell Carcinoma 3
     A dominantly inherited form of kidney cancer which is linked to chromosome 5q....more »
    1621. Renal Cell Carcinoma 4
     A genetic form of kidney cancer....more »
    1622. Renal Cell Carcinoma Associated with Neuroblastoma
     A cancer of the kidney associated with a neuroblastoma (cancer of the nerve cells) which is a relatively common childhood cancer. The kidney cancer tends to develop in long-term survivors of this childhood cancer. It is unclear as to whether the treatment...more »
    1623. Renal abscess
     A pus-filled cavity that develops in the kidney as a result of inflammation. The inflammation may result from other purulent infections in the body. It is most common in young adults....more »
    1624. Renal cancer
     Cancer (malignant) of the kidneys. The kidneys are organs that make certain hormones and remove waste from the blood and turning it into urine....more »
    1625. Renal cancer, familial
     A genetic form of kidney cancer that tends to run in families....more »
    1626. Renal carbuncle
     Kidney abscess...more »
    1627. Renal cell carcinoma, papillary, familial
     A type of kidney tumor inherited in a familial manner and characterized by the development of finger-like projections in at least some of the tumor....more »
    1628. Renal cell carcinoma, papillary, hereditary
     A type of kidney tumor characterized by the development of finger-like projections in at least some of the tumor. The cancer can occur in a sporadic manner as well as a familial manner....more »
    1629. Renal cell carcinoma, papillary, sporadic
     A type of kidney tumor characterized by the development of finger-like projections in at least some of the tumor. The cancer can occur in a sporadic manner as well as a familial manner....more »
    1630. Renal colic
     Severe urinary system pain usually from a urinary stone...more »
    1631. Renal infarction
     The death of an area of tissue in the kidney due to a localized lack of oxygen. Usually results from an interruption in the blood supply. The severity of the symptoms depends on how large the affected part of the kidney is. Small infarcts can produce virt...more »
    1632. Renal mucormycosis
     An infectious disease caused by fungus from the order Mucorales which is normally found in the soil and in decaying plant matter. Transmission is usually through the inhalation of spores. It is generally harmless to healthy individuals but can cause infec...more »
    1633. Renal tuberculosis
     Kidney affected by tuberculosis...more »
    1634. Renal zygmycosis
     An infectious disease caused by fungus from the orders Mucorales and Entomophthorales which are normally found in the soil and in decaying plant matter. The infection differs from mucormycosis which only involves the order Mucorales. Transmission is usual...more »
    1635. Respiratory Syncytial Virus Infections
     A very contagious viral infection that causes respiratory diseases. It generally only causes common cold-like symptoms in adults but can be serious in young children, infants, the elderly and people with a weakened immune system....more »
    1636. Respiratory diphtheria
     Lung infection from Diphtheria...more »
    1637. Respiratory infections
     Any infection that occurs to the respiratory system...more »
    1638. Respiratory syncytial virus
     Viral respiratory infection serious in young infants....more »
    1639. Respiratory syncytial virus-related Cold
     A Respiratory syncytial virus-related cold is a relatively minor contagious infection of the nose and throat caused by the Respiratory syncytial virus. Although colds can cause discomfort they are not considered a serious condition....more »
    1640. Respiratory system cancer
     A condition that is characterised by a malignancy anatomically located in the respiratory system...more »
    1641. Respiratory tract infections
    1642. Restless Legs Syndrome
     A neurological disorder where legs develop and crawling, aching skin sensation which is relived by moving the legs....more »
    1643. Reticuloendotheliosis
     An inherited disorder of the reticuloendothelial system which is involved in destroying bacteria and other unwanted substances that enter the body....more »
    1644. Retroperitoneal abscess
     An abscess (pus-filled cavity) in the retroperitoneal area (space behind the abdominal cavity)....more »
    1645. Retropharyngeal abscess
     An abscess (pus-filled cavity) in the back of the throat. Prompt treatment is needed to avoid obstruction of airways and other complications including death....more »
    1646. Reye's Syndrome
     A syndrome in children recovering from infection and associated with aspirin....more »
    1647. Rhabditida Infections
     Infection with a parasitic worm from the order rhabditida. The symptoms are determined by the species involved....more »
    1648. Rhabdoid tumor
     An aggressive malignant tumor that occurs in children. Symptoms depend on the location of the tumor. The tumors often form in the kidneys and then tend to metastasize to the brain and sometimes the lungs....more »
    1649. Rhabdomyolysis
     Skeletal muscle injury or death, which releases muscle fibres into the blood....more »
    1650. 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 »
    1651. Rheumatic conditions
     Any condition that affects ones joints...more »
    1652. 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 »
    1653. 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 »
    1654. Rheumatoid vasculitis
     A rare disorder where sufferers of rheumatoid arthritis with joint inflammation develop inflammation of small and medium sized blood vessels. It tends to mostly affect the blood vessels in the skin. The symptoms are determined by which part of the body is...more »
    1655. Rhinitis
     Nasal lining inflammation leading to runny/blocked nose...more »
    1656. Rhinocerebral mucormycosis
     A rare opportunistic infection that tends to occur mainly in the brain and sinuses. The condition is usually fatal and generally only affects immunocompromised people such as patients with leukemia, lymphoma or those that have had organ transplants or che...more »
    1657. Rhinocerebral zygomycosis
     An infectious disease caused by fungus from the orders Mucorales and Entomophthorales which are normally found in the soil and in decaying plant matter. The infection differs from mucormycosis which only involves the order Mucorales. Transmission is usual...more »
    1658. Rhinovirus infection
     Infection with the rhinovirus which can be transmitted through direct contact with contaminated secretions from an infected person (e.g. sneezing or nasal or oral secretions on hands). The rhinovirus can cause the common cold and pharyngitis....more »
    1659. Rhinovirus-related Cold
     A Rhinovirus-related cold is a relatively minor contagious infection of the nose and throat caused by the Rhinovirus. Although colds can cause discomfort they are not considered a serious condition. About a third of all common colds in adults are caused b...more »
    1660. Rhizopus
     A genus of fungus...more »
    1661. Rhodococcus equi
     A rare form of bacterial infection that usually affects horses and foals but can cause infection mainly in immunocompromised people. Infection usually starts at the site of some sort of trauma. Symptoms and severity may vary considerably depending on the ...more »
    1662. Rhypophobia
     An exaggerated or irrational fear of filth....more »
    1663. Rib Tumor
     The presence of tumour growth in the ribs, whether due to primary malignancies e.g. leukaemic or myeloma infiltration of the bone marrow, or due to secondary bony metastases from another site e.g. lung or breast....more »
    1664. Richter syndrome
     A rare but serious form of acute adult leukemia. The disease occurs when chronic lymphocytic leukemia transforms into diffuse large cell lymphoma which is a fast-growing form of lymphoma. The condition tends to be more common in older adults....more »
    1665. Rickettsia
     A self limiting condition that is transmitted by mites...more »
    1666. Rickettsia siberica
     An infectious disease caused by Rickettsia siberica and transmitted by ticks. The condition is endemic in central Asia and can be fatal in severe cases....more »
    1667. Rickettsia typhi
     An infectious diseases caused by Rickettsia typhi and transmitted by fleas. It is a generally mild form of typhus which rarely causes death....more »
    1668. Rickettsial disease
     A disease caused by infection with rickettsial bacteria which are transmitted by arthropods such as ticks, mites and lice. Different rickettsial bacteria can cause different types of infections such as typhus, spotted fever and trench fever. Symptoms can ...more »
    1669. Ricketttsialpox
     An infectious disease caused by Rickettsia akari and transmitted by mice mites....more »
    1670. Rifampin -- Teratogenic Agent
     There is evidence to indicate that exposure to Rifampin 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 »
    1671. Rift Valley Fever
     Mosquito-borne viral infection affecting animals and humans...more »
    1672. Rimbaud-Passouant-Vallat syndrome
     A type of brain inflammation....more »
    1673. Ritter syndrome
     A rare infantile skin disorder involving severe redness, inflammation, blistering and peeling of skin and mucous membranes which can result from a variety of infections, malignancies and drugs....more »
    1674. Rocio encephalitis
     Inflammation of the brain caused by a flavivirus called Rocio virus. It occurs in south-eastern Brazil with transmission occurring through mosquito bites. The incubation period is 1-2 weeks. Death is not an uncommon outcome....more »
    1675. Rocky Mountain spotted fever
     A bacterial disease caused by Rickettsia rickettsii and transmitted by ticks. The condition causes fever and a characteristic rash and may be fatal in severe or untreated cases....more »
    1676. Rosai-Dorfman disease
     A rare condition characterized by excessive production and accumulation of a particular white blood cell (histiocyte). Accumulation primarily occurs in the lymph nodes, especially in the neck, but may also occur in the skin, central nervous system, digest...more »
    1677. Roseola infantum
     Contagious infant conditions...more »
    1678. Ross River virus
     Mosquito-borne virus in parts of Australia and other countries...more »
    1679. Roundworm
     A worm of the class nematode...more »
    1680. Rubella
     A contagious viral infection caused by the Rubella virus which produces a rash and lymph node swelling. It can have serious implication in pregnant women as the virus can be transmitted through the placenta and cause serious fetal defects or even fetal de...more »
    1681. Russophobia
     An exaggerated or irrational fear of Russians....more »
    1682. SARS
     Serious respiratory infection...more »
    1683. Sabia virus
     An arbovirus causing fever, rashes and hemorrhagic bleeding...more »
    1684. Sacroilitis
     Inflammation of the sacro-iliac joint...more »
    1685. Salmonella anatum infection
     An infection caused by bacteria from the Salmonella genus which mainly causes gastroenteritis. Infection is caused by consuming contaminated food or drinks....more »
    1686. Salmonella choleraesuis infection
     An infection caused by bacteria from the Salmonella genus which mainly causes gastroenteritis. Infection is caused by consuming contaminated food or drinks....more »
    1687. Salmonella enteritidis
     Type of salmonella food poisoning usually from eggs....more »
    1688. Salmonella enteritidis infection
     An infection caused by bacteria from the Salmonella genus which mainly causes gastroenteritis. Infection is caused by consuming contaminated food or drinks....more »
    1689. Salmonella food poisoning
     Common type of food poisoning....more »
    1690. Salmonella heidelberg infection
     An infection caused by bacteria from the Salmonella genus which mainly causes gastroenteritis. Infection is caused by consuming contaminated food or drinks....more »
    1691. Salmonella hirschfeldii infection
     An infection caused by bacteria from the Salmonella genus which mainly causes gastroenteritis. Infection is caused by consuming contaminated food or drinks....more »
    1692. Salmonella newport infection
     An infection caused by bacteria from the Salmonella genus which mainly causes gastroenteritis. Infection is caused by consuming contaminated food or drinks....more »
    1693. Salmonella paratyphi A infection
     An infection caused by bacteria from the Salmonella genus which causes typhoid fever, with symptoms such as gastroenteritis. Infection is caused by consuming contaminated food or drinks....more »
    1694. Salmonella schottmuelleri infection
     An infection caused by bacteria from the Salmonella genus which mainly causes gastroenteritis. Infection is caused by consuming contaminated food or drinks....more »
    1695. Salmonella typhi infection
     An infection caused by bacteria from the Salmonella genus which causes typhoid fever, with symptoms such as gastroenteritis. Infection is caused by consuming contaminated food or drinks....more »
    1696. Salmonella typhimurium infection
     An infection caused by bacteria from the Salmonella genus which can result in gastroenteritis, fever or may be asymptomatic. Infection is caused by consuming contaminated food or drinks....more »
    1697. Salpingitis
     Inflammation of the fallopian tubes...more »
    1698. Sandfly fever
     Viral infection from sandfly bites...more »
    1699. Sarcoidosis
     Rare autoimmune disease usually affecting the lungs....more »
    1700. Sarcoidosis, pulmonary
     A rare disease involving inflammation of the lungs which leads to the development of nodules, fibrosis and scarring of lung tissue....more »
    1701. Sarcoma botryoides
     An aggressive form of cancer that arises from embryonic muscle cells. The tumor resembles a bunch of grapes and tends to occur in the genitourinary tract. Common locations are the cervix, vagina and bladder and very rare cases can occur in the bile duct o...more »
    1702. 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 »
    1703. Scarlet fever
     A complication of infection from strep bacteria such as strep throat....more »
    1704. Scarletina (Scarlet Fever)
     Infection with a Group A streptococcus bacteria, which causes a characteristic sore throat and rash....more »
    1705. Schistosomiasis
     Parasitic fluke infection in developing countries...more »
    1706. Schistosomiasis mansoni
     A trematode which causes schistosomiasis mansoni...more »
    1707. Sciophobia
     An exaggerated or irrational fear of shadows....more »
    1708. Scleredema adultorum
     A rare skin condition characterized by thickening of the skin usually in the head, neck and upper body area. The disorder is often associated with conditions such as infections, myelomas and diabetes....more »
    1709. Sclerosing Mesenteritis
     A rare disorder that affects the lining of the digestive tract. The lining of the small bowel mesentery (membrane that joins small intestine to back of abdominal wall) becomes thickened and inflamed. The condition may be mild or severe enough to cause dea...more »
    1710. Scoleciphobia
     An exaggerated or irrational fear of worms....more »
    1711. Scopophobia
     An exaggerated or irrational fear of being looked at, stared at or being seen....more »
    1712. Scrub typhus
     Type of typhus usually caught from ticks...more »
    1713. Sea Hare poisoning
     Certain species of sea hares can result in poisoning if eaten. Sea hares are marine mollusks. Two species with a potential for poisoning are found in Oceans near Fiji and Japan. Eating the eggs of these sea hares can also cause liver damage. Poisoning by ...more »
    1714. Sea snake poisoning
     The Sea snake is a poisonous snake found in the warmer western parts of the Pacific and Indian Ocean. Sea snakes have scales but not gills or fins so they still need to go to the surface of the water to breathe. Sea snake venom is particularly poisonous b...more »
    1715. Sea wasp poisoning (Chiropsalmus quadrigatus)
     The Chiropsalmus quadrigatus jellyfish can deliver a serious sting and can be found in the waters of Northern Australia and the Philippines. Death can occur in as little as a few minutes if a person is severely stung....more »
    1716. Sea wasp poisoning -- Chironex fleckeri
     The Chironex fleckeri jellyfish is one of the deadliest jellyfish in the world. It can deliver a serious sting and can be found mainly in the waters of Northern Australia and the Philippines. Death can occur in as little as a few minutes if a person is se...more »
    1717. Secernentea Infections
     Infection with a type of parasitic nematode (worm). The symptoms are highly variable depending on where the worm migrates to through out the body and which particular species is involved. Some examples of nematodes are Wuchereria, Spirurina, Mansonella, D...more »
    1718. 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 »
    1719. Secondary Biliary Cirrhosis
     Secondary biliary cirrhosis is a condition where the bile ducts are unable to transport bile effectively due to a secondary cause which results in blockage, inflammation, scarring or some other damage to the bile ducts. The condition may result from such ...more »
    1720. 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 »
    1721. Secondary Emphysema
    1722. Secondary syphilis
     A condition which is characterized by fever, multiform skin eruptions, iritis, alopecia, mucous patches and severe pain in the head and joints...more »
    1723. Sei whale poisoning
     The Sei whale is eaten in certain parts of Asia. Eating the liver of the Sei whale can cause poisoning symptoms in humans if sufficient quantities are consumed. It is believed that the poisoning results from the very high levels of vitamin A in the liver....more »
    1724. Selachophobia
     An exaggerated or irrational fear of sharks....more »
    1725. Selaphobia
     An exaggerated or irrational fear or dislike of flashes of light....more »
    1726. Selected Encephalitides
     Selected conditions which cause inflammation of the brain...more »
    1727. Selective Vitamin B12 malabsorption with Proteinuria
     A rare genetic blood disorder where a defect in the vitamin B12 receptor means that it can't be absorbed from food during digestion. As a result of the low vitamin B12 levels, the body produces increased numbers of abnormal enlarged red blood cells (megal...more »
    1728. Sennetsu Fever
     A rare infectious disease caused by a bacteria called Ehrlichia sennetsu....more »
    1729. Sepsis Syndrome
     A life-threatening condition that results from infection that has spread throughout the body....more »
    1730. Septic abortion
     An abortion associated with a uterine infection. The infection can occur during or just before or after an abortion. The infection can result from factors such as Chlamydia, IUD's or attempted abortion using infected tools....more »
    1731. Septicemia
     A systemic inflammatory response to an infection....more »
    1732. Serious fever
    1733. Seronegative spondyloarthropathy
     Spondyloarthropathy that is negative to rheumatoid facotr...more »
    1734. Serotonin Syndrome
     The toxic reaction of the body to the substance, possibly via allergic reaction or overdose....more »
    1735. Serotonin toxicity
     The toxic reaction of the body to the substance, possibly via allergic reaction or overdose....more »
    1736. Serratia cerebral abscess
     Cerebral abscess caused by bacteria from the Serratia genus. These bacteria are a rare cause of infection. The risk of infection is increased by head trauma or any sort of surgery or testing involving the central nervous system....more »
    1737. Serratia meningitis
     Meningitis caused by bacteria from the Serratia genus. These bacteria are a rare cause of infection. The risk of infection is increased by head trauma or any sort of surgery or testing involving the central nervous system....more »
    1738. Serratia respiratory tract infection
     Respiratory tract infection caused by bacteria from the Serratia genus. These bacteria are a rare cause of infection....more »
    1739. Serratia sepsis
     Blood infection caused by bacteria from the Serratia genus. These bacteria are a rare cause of infection....more »
    1740. Serum sickness
     Type of allergic reaction to certain medications or serums...more »
    1741. Severe congenital neutropenia
     A rare inherited blood disorder involving a lack of neutrophils which are a type of white blood cell needed to fight bacterial infections....more »
    1742. Shigella boydii
     A form of bacterium...more »
    1743. Shigella boydii infection
     Shigella boydii is a species of bacteria from the Shigella genus. Infection with this bacteria causes diarrhea. The severity of the disease is variable depending on the underlying health of the individual - the young and old tend to be more severely affec...more »
    1744. Shigella dysenteriae infection
     Shigella dysenteriae is a species of bacteria from the Shigella genus. Dysenteriae is the most common cause of epidemic dysentery in condensed populations such as refugee camps. Infection with this bacteria causes diarrhea. The severity of the disease is ...more »
    1745. Shigella flexneri
     A form of bacterium...more »
    1746. Shigella flexneri infection
     Shigella flexneri is a species of bacteria from the Shigella genus. Flexneri is the most common cause of Shigellosis in the world. Infection with this bacteria causes diarrhea. The severity of the disease is variable depending on the underlying health of ...more »
    1747. Shigella sonnei
     A form of bacterium...more »
    1748. Shigella sonnei infection
     Shigella sonnei is a species of bacteria from the Shigella genus. Sonnei is the most common cause of Shigellosis in the developed world. Infection with this bacteria causes diarrhea. The severity of the disease is variable depending on the underlying heal...more »
    1749. Shigellosis
     An infectious disease which affects the intestinal tract and is caused by the Shigella bacteria. The condition may be severe, especially in children, but may be asymptomatic in some cases. The disease can be transmitted through fecal-oral contact....more »
    1750. Shingles
     Infectious viral infection occuring years after chickenpox infection....more »
    1751. Shock
     Severe condition from reduced blood circulation...more »
    1752. 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 »
    1753. 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 »
    1754. 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 »
    1755. Siderodromophobia
     An exaggerated or irrational fear of trains....more »
    1756. 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 »
    1757. Siderophobia
     An exaggerated or irrational fear of the stars....more »
    1758. Silicosiderosis
     A lung disorder caused by breathing in dust containing iron and silica....more »
    1759. Silicosis
     An occupation lung disease caused by breathing in silica dust....more »
    1760. Silkworm dropping lung
     Inhalation of silkworm dropping particles in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. Chronic exposure can lead to progressive lung symptoms which can gradually lea...more »
    1761. Silo unloader syndrome
     An occupational lung disease that occurs in farm workers who go into a silo and breath in the nitrogen dioxide which are toxic to the body. Death can occur in some cases. Symptoms usually occur within a week of entering the silo....more »
    1762. Simian B virus infection
     A type of herpesvirus which occurs in monkeys but can be transmitted to humans through bites or through contact with infected monkey tissue as in a laboratory situation. The virus infects the brain (encephalitis) and the surrounding membrane (meningitis)....more »
    1763. Sindbis fever
     Infection with a type of alphavirus which is transmitted by mosquitoes. The disease is usually mild and resolves spontaneously....more »
    1764. Sinophobia
     An exaggerated or irrational fear of China....more »
    1765. Sinusitis
     Sinusitis is an inflammation of the paranasal sinuses....more »
    1766. Sitophobia
     An exaggerated or irrational fear of food....more »
    1767. Sjogren syndrome, secondary
     An autoimmune disease where the body's immune system attacks parts of the body that produce moisture such as the eyes, mouth and gastrointestinal tract. Sjogren syndrome can occur on its own (primary) or with another connective tissue disease (secondary) ...more »
    1768. Slap-cheek syndrome
     Viral infection where children get rosy cheeks....more »
    1769. 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 »
    1770. Slowly Progressive Bokhoror
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    1771. Slowly Progressive VE
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. . Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The diseas...more »
    1772. Slowly Progressive Viliuisk Encephalitis
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    1773. Slowly Progressive Viliuisk Encephalomyelitis
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    1774. Slowly Progressive Vilyuisk Encephalitis
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    1775. Slowly Progressive Vilyuisk Encephalomyelitis
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    1776. Small Cell Lung Cancer
     Small cell lung cancer is a cancer of the small cells which make up some of the lung tissue. It tends to be a more aggressive cancer than large cell lung cancer and can metastasize to other parts of the body. This type of cancer nearly always occurs in a ...more »
    1777. Small Intestine Cancer
     Cancer of the small intestine....more »
    1778. Small non-cleaved cell lymphoma
    1779. Smallpox
     Dangerous virus now almost eliminated worldwide by vaccination....more »
    1780. Smith disease
     A harmless condition involving increased lymphocyte levels which may manifest as a variety of symptoms or may be asymptomatic. Diseases such as whooping cough and German measles are believed to be possible causes. The disease most commonly occurs in child...more »
    1781. Smoldering adult T-Cell leukemia
     A form of blood cancer affecting the T-cells which make up the body's immune system. The disease is caused by the HTLV-1 virus (human T-cell leukemia virus) which causes the proliferation of abnormal T-cells. The virus can be transmitted sexually and may ...more »
    1782. Social phobia
     Excessive anxiety in social situations....more »
    1783. Soft tissue tumors
     Any tumor of the soft tissues (e.g. muscles, cartilage), including cancer and benign tumors....more »
    1784. Solophobia
     An exaggerated or irrational fear of sunlight or abnormal sensitivity to sunlight....more »
    1785. Specrophobia
     An exaggerated or irrational fear of specters or phantoms....more »
    1786. Spencer disease
     A possibly viral epidemic disease which is occurs during winter and involves a range of gastrointestinal symptoms....more »
    1787. Spermatophobia
     An exaggerated or irrational fear of germs....more »
    1788. Sphenoid Sinusitis
     Accumulation of mucoid secretions in the sphenoid sinus located deep to the nose, often with subsequent colonisation and infection by bacteria, viruses or fungi...more »
    1789. 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 »
    1790. Spider Bites
     A puncture wound caused by a spider that may involve the release of noxious substances or bacteria....more »
    1791. Spirochetes disease
     Infection with a type of bacteria which is often found in mud, sewage and polluted water. Symptoms are determined by the species involved. Diseases caused by this bacteria include Treponema infection and borreliosis....more »
    1792. Spironolactone -- Teratogenic Agent
     There is evidence to indicate that exposure to Spironolactone 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 expo...more »
    1793. Spleen Cancer
     Malignancy of white blood cells with tumour deposits in the spleen....more »
    1794. Spleen conditions
     Any condition that affects the spleen...more »
    1795. Spleen neoplasm
     A tumor that originates in the spleen....more »
    1796. Splenic infarct
     A relatively uncommon condition where a portion of spleen tissue dies due to a lack of sufficient blood supply to the affected tissue for any reason. An interruption in the blood supply can result from such things as emboli, thrombi, twisted blood vessels...more »
    1797. Splenic infarcts
     A rare condition were blood flow to a part of the spleen is interrupted by such things as blood clots and causes some of the spleen tissue to die. Symptoms depend on the amount of damage to the spleen....more »
    1798. Spontaneous periodic hypothermia
     A rare disorder characterized by recurring periods of hypothermia that occur for no obvious reason....more »
    1799. Spotted fevers
     An acute condition caused by the bacteria Rickettsia rickettsii...more »
    1800. 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 »
    1801. Stachybotrys chartarum
     A toxic black slimy mold that can be found in damp indoor environments. Exposure can occur through the skin, ingestion or inhalation. It can causes conditions such as "sick building syndrome"....more »
    1802. Staphylococcal toxic shock syndrome
     A very rare, potentially fatal infection caused by the bacterial toxins produced by Staphylococcus aureus or Streptococcus pyogenes. The condition is often associated with tampon use but can originate from other sources....more »
    1803. Stasiphobia
     An exaggerated or irrational fear of standing or walking. Sufferers believe that they are unable to stand or walk....more »
    1804. 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 »
    1805. Still's Disease, Adult-Onset
     A form of arthritic inflammation characterized by fever, rash and joint pain that occurs in adults. The cause is unknown....more »
    1806. Stones
     The formation of consolidations that are stone like in nature...more »
    1807. Strep throat
     Streptococcal bacterial throat infection....more »
    1808. Streptococcal Group A invasive disease
     Group A streptococci are bacteria which are commonly found in the throat or on the skin. Often it causes no symptoms but in some cases it can cause mild illnesses such as strep throat or more serious, life-threatening diseases such as toxic shock syndrome...more »
    1809. Streptococcal Group B invasive disease
     Infection with bacteria called Group B Streptococcus which can cause severe symptoms or even death. The bacteria occur in the stomach and the urogenital tract of females and are normally harmless and cause no symptoms. However, it can cause a range of dis...more »
    1810. Streptococcal Infections
     Various "strep" bacterial infections....more »
    1811. Streptococcal Toxic Shock Syndrome
     Toxic shock from streptococcal bacteria infection....more »
    1812. Stridor
     A harsh high pitched breath sound...more »
    1813. Striped Blister Beetle poisoning
     The striped blister beetle is native to many parts of America and Canada. Animals that accidentally eat the beetles can become quite ill and they can also cause symptoms in humans if accidentally ingested. The beetles contain toxic substances called canth...more »
    1814. Stroke
     Serious brain event from bleeding or blood clots....more »
    1815. Stuve-Wiedemann syndrome
     A rare syndrome characterized mainly by short stature, bowed long bones and permanent flexion of fingers....more »
    1816. Stygiophobia
     An exaggerated or irrational fear of hell....more »
    1817. 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 »
    1818. Subarachnoid haemorrhage
     A condition which is characterized by haemorrhage of blood into the subarachnoid space...more »
    1819. Subarachnoid hemorrhage
     Brain bleeding in the subarachnoid area...more »
    1820. Suberosis
     Inhalation of cork particles contaminated with mould in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to ...more »
    1821. Subphrenic abscess
     A pus-filled cavity in the subphrenic region which is the area below the diaphragm but above the colon and liver. The infection can occur as a complication of abdominal surgery, acute pancreatitis and trauma....more »
    1822. Sulfa antibiotics allergy
     Taking sulfa antibiotics can cause an allergic response in some people however this is considered rare. It involves the body's immune system overreacting to the drug. The type and severity of symptoms can vary considerable though skin symptoms are the mos...more »
    1823. Sulfasalazine -- Teratogenic Agent
     There is evidence to indicate that exposure to Sulfasalazine 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 »
    1824. Sulfone syndrome
     A hypersensitivity reaction to sulfone which is a component of a drug called dapsone which is often used to treat skin conditions such as leprosy, vasculitis, dermatitis herpetiformis and Sweet disease. The reaction can result in death in some cases....more »
    1825. Sulphasalazine -- Teratogenic Agent
     There is evidence to indicate that exposure to Sulphasalazine 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 expo...more »
    1826. 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 »
    1827. Sump Syndrome
     A complication that can sometimes occur after an operation done to treat recurring stone disease. The surgery involves forming a connection between the common bile duct and the intestines. Sometimes a pit-like (sump) portion develops along the bile duct a...more »
    1828. Sunburn
     Any injury to the skin caused by the ultraviolet rays caused by the sun...more »
    1829. Superficial thrombophlebitis
     Inflammation of a vein wall...more »
    1830. Surgical Wound Infection
     Infection that occurs at the site of a surgery....more »
    1831. Surgical errors/complications
     Any error or complication that arises from surgery...more »
    1832. Surgical foreign body
     A foreign body that is left behind after surgery...more »
    1833. Swine flu
     The Swine Flu is a respiratory viral disease which is usually found in pigs but can sometimes be transmitted to humans and cause epidemics or even pandemics. The viral strain involved is type A H1N1. The virus can be spread amongst humans from direct cont...more »
    1834. Sychrophobia
     An exaggerated or irrational fear of ice or frost....more »
    1835. Symmetrophobia
     An exaggerated or irrational fear or dislike of symmetry....more »
    1836. Syphilis
     A sexually transmitted disease caused by a bacteria (Treponema pallidum). The condition is often asymptomatic in the early stages but one or more sores may be present in the early stages. Untreated syphilis usually results in remission of visible symptoms...more »
    1837. Syphilis -- Teratogenic Agent
     There is strong evidence to indicate that the development of Syphilis 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 stage...more »
    1838. Syphilitic aseptic meningitis
     A chronic syphilis infection which affects the nervous system....more »
    1839. Syringomyelia
     Spinal cord cysts...more »
    1840. Systemic Capillary Leak Syndrome
     A rare disease where episodes of leaking blood capillaries results in a rapid drop in blood pressure which can be life-threatening. Episodes usually last for a few days. The range and severity of symptoms experienced may range somewhat amongst patients....more »
    1841. Systemic Juvenile Rheumatoid Arthritis
     Onset of JRA with fevers and systemic symptoms...more »
    1842. Systemic Lupus Erythematosus with Hemolytic Anemia, Susceptibility to, 1
     Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Resea...more »
    1843. Systemic Lupus Erythematosus with Nephritis, Susceptibility to, 1
     Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Resea...more »
    1844. Systemic Lupus Erythematosus with Vitiligo, Susceptibility to, 1
     Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Resea...more »
    1845. Systemic Lupus Erythematosus, Susceptibility to, 1
     Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Resea...more »
    1846. Systemic Lupus Erythematosus, Susceptibility to, 10
     Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Resea...more »
    1847. Systemic Lupus Erythematosus, Susceptibility to, 11
     Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Resea...more »
    1848. Systemic Lupus Erythematosus, Susceptibility to, 12
     Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Resea...more »
    1849. Systemic Lupus Erythematosus, Susceptibility to, 13
     Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Resea...more »
    1850. Systemic Lupus Erythematosus, Susceptibility to, 2
     Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Resea...more »
    1851. Systemic Lupus Erythematosus, Susceptibility to, 3
     Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Resea...more »
    1852. Systemic Lupus Erythematosus, Susceptibility to, 4
     Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Resea...more »
    1853. Systemic Lupus Erythematosus, Susceptibility to, 5
     Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Resea...more »
    1854. Systemic Lupus Erythematosus, Susceptibility to, 6
     Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Resea...more »
    1855. Systemic Lupus Erythematosus, Susceptibility to, 7
     Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Resea...more »
    1856. Systemic Lupus Erythematosus, Susceptibility to, 8
     Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Resea...more »
    1857. Systemic Lupus Erythematosus, Susceptibility to, 9
     Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Resea...more »
    1858. 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 »
    1859. Systemic disorders
     Any condition that occurs in a system of the body...more »
    1860. Systemic lupus erythematoses
     It is a chronic autoimmune connective tissue disease that can affect any part of the body. As occurs in other autoimmune diseases, the immune system attacks the body's cells and tissue, resulting in inflammation and tissue damage...more »
    1861. 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 »
    1862. TRAPS (TNF-receptor-associated periodic syndrome)
     A rare syndrome involving periods of fever and chills along with gastrointestinal symptoms and muscle pain. Symptoms last for two or three weeks....more »
    1863. Tabophobia
     An exaggerated or irrational fear of a wasting sickness....more »
    1864. Tachophobia
     An exaggerated or irrational fear of speed....more »
    1865. 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 »
    1866. Taphephobia
     An exaggerated or irrational fear of being buried alive or of cemeteries....more »
    1867. Tapinophobia
     An exaggerated or irrational fear of small things....more »
    1868. Tapioca poisoning
     Tapioca is a shrubby plant which bears inconspicuous flowers. The tubers contain chemicals (cyanogenic glycosides) which are turned into cyanide by the digestive process. Ingestion of the raw roots of this plant can result in death if sufficient quantitie...more »
    1869. 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 »
    1870. Taurophobia
     An exaggerated or irrational fear of bulls....more »
    1871. Technophobia
     An exaggerated or irrational fear or dislike of modern technology....more »
    1872. Teething
     Condition when an infant gets a new tooth....more »
    1873. Telephonophobia
     An exaggerated or irrational fear of the telephone....more »
    1874. Temporal arteritis
     Inflamed head artery causing headache....more »
    1875. Teratophobia
     An exaggerated or irrational fear of monsters and deformed people or of giving birth to a malformed infant....more »
    1876. Testicle disorders
     Any condition that affects the testicles...more »
    1877. Tetanus
     A disease caused by chemicals which are produced by a bacterium (clostridium tetani) and are toxic to the nerves. The infection usually occurs when the bacteria enter the body through a deep wound - these bacteria are anaerobic and hence don't need oxygen...more »
    1878. Thaasophobia
     An exaggerated or irrational fear or dislike of boredom or being idle....more »
    1879. Thalassophobia
     An exaggerated or irrational fear of the sea....more »
    1880. Thalidomide -- Teratogenic Agent
     There is evidence to indicate that exposure to Thalidomide 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 »
    1881. Thanatophobia
     An exaggerated or irrational fear of death....more »
    1882. Thatched Roof disease
     Inhalation of thatched roof particles in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. Chronic exposure can lead to progressive lung symptoms which can gradually lead to...more »
    1883. Theatrophobia
     An exaggerated or irrational fear of theatres....more »
    1884. Theophobia
     An exaggerated or irrational fear of God....more »
    1885. Thermophobia
     An exaggerated or irrational fear or dislike of heat....more »
    1886. Thiopurine S methyltranferase deficiency
     A rare enzyme deficiency which is generally asymptomatic but can cause problems when certain anti-cancer or immunosuppressant drugs are used (e.g. 6-mercaptopurine, 6-thioguanine, azathioprine). The body is unable to metabolize these drugs which leads to ...more »
    1887. Thixophobia
     An exaggerated or irrational fear of touch....more »
    1888. 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 »
    1889. 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 »
    1890. Thrombotic thrombocytopenic purpura, congenital
     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....more »
    1891. Thrush
     Thrush is a fungal infection which is caused by a fungus from the Candida species. It usually affects the mucus membranes of the mouth and vagina. Occasionally the infection can spread throughout the body and cause severe illness....more »
    1892. Thyroiditis
     Thyroid gland inflammation...more »
    1893. Tick bite
     When an individual is bitten by a tick...more »
    1894. Tick-borne diseases
     Any disease that is transferred to humans by the tick...more »
    1895. Tick-borne encephalitis
     A viral infection (flavivirdae) of the central nervous system which is transmitted by ticks. Ticks usually feed on small rodents who are the main carriers of the virus. Transmission may also occur through the consumption of untreated milk. The incubation ...more »
    1896. Timolol -- Teratogenic Agent
     There is evidence to indicate that exposure to Timolol 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 »
    1897. Tobacco Worker's disease
     Inhalation of mold on tobacco in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. Chronic exposure can lead to progressive lung symptoms which can gradually lead to symptom...more »
    1898. Tocophobia
     An exaggerated or irrational fear of childbirth....more »
    1899. Togaviridae disease
     Infection with any of a number of togaviridae viruses which can caused conditions such as Equine encephalitis, Ross River virus and Rubella virus. Symptoms are determined by the type of virus involved. Togaviridae are arboviruses and are transmitted by ar...more »
    1900. Tolosa-Hunt Syndrome
     A rare disorder characterized by severe headaches and paralysis and weakness of eye muscles....more »
    1901. Tomophobia
     An exaggerated or irrational fear of surgical operations....more »
    1902. Toni-Fanconi syndrome type 1
    1903. Tonsilitis
     Inflammation of the tonsils in the throat....more »
    1904. Tooth abscess
     Pus-filled abscess of a tooth...more »
    1905. Topophobia
     An exaggerated or irrational fear of certain places....more »
    1906. Torsion
     Twisting of the spermatic cord which obstructs blood flow to and from the testes....more »
    1907. Torticollis, keloids, cryptorchidism, renal dysplasia
     A rare genetic condition characterized by undescended testes, kidney defects, torticollis and the formation of keloids which are scar-like elevations on the skin. The symptoms occur in males though females carriers can have mild symptoms....more »
    1908. Torulopsis
     A type of yeast infection caused by Torulopsis glabrata. The fungus is often found in normal healthy skin, respiratory system, genitourinary system and gastrointestinal system and it generally only becomes a problem in weakened or immunocompromised people...more »
    1909. Toxic megacolon
     It is a life threatening complication....more »
    1910. Toxic mushrooms -- Anticholinergic
     Some mushrooms contain a toxic chemical called ibotenic acid which causes anticholinergic symptoms. Ibotenic acid is converted to muscimol during digestion. The two toxins have opposing actions which results in initial excitation symptoms followed by a pr...more »
    1911. Toxic mushrooms -- Gastrointestinal irritant
     Some mushrooms contain a chemical which cause gastrointestinal irritation. Mushroom species from this group include certain species of Agaricus, Amanita, Boletus, Entoloma, Gomphus, Lactarius, Omphalotus, Tricholoma, Tylopilus and Verpa....more »
    1912. Toxic mushrooms -- Monomethylhydrazine
     Some mushrooms contain a toxic chemical called gyromitrin which is converted to monomethylhydrazine after digestion. Mushroom species from this group include certain species of Gyromitra, Helvella, Sarcosphaera and Peziza. Poisoning may occur from inhalin...more »
    1913. 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 »
    1914. Toxic mushrooms -- Renal toxic (orelline)
     Some mushrooms (Amanita smithiana) contain chemicals (allenic norleucine, chlorocrotyglycine) which can cause kidney damage....more »
    1915. Toxicophobia
     An exaggerated or irrational fear of being poisoned....more »
    1916. 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 »
    1917. Toxocariasis
     A parasitic roundworm (Toxocara canis or Toxocara cati) infection that normally occurs in cats and dogs but can be transmitted to humans by ingesting the larvae or eggs. The infection may be asymptomatic or severe and symptoms depend on where the larvae t...more »
    1918. Toxoplasmosis -- Teratogenic Agent
     There is strong evidence to indicate that the development of Toxoplasmosis 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 ...more »
    1919. Transfusion Reaction
     The allergic reaction to the transfusion of blood products to a person...more »
    1920. Traumatic laryngitis
     Temporary hoarseness caused by inflammation of the larynx due to such things as bacteria, viral infection, allergies, overuse of voice, tumors and hormonal problems....more »
    1921. Traumatophobia
     An exaggerated or irrational fear of war or physical injury....more »
    1922. Traveler's diarrhea
     Various diarrheal conditions often caught on international travel....more »
    1923. Tremophobia
     An exaggerated or irrational fear of trembling....more »
    1924. Tremor
     Involuntary trembling most commonly of the hands....more »
    1925. Treponema infection
     A rare infectious diseases which is transmitted through sexual contact and caused by Treponema pallidum (a spirochete bacterium). Untreated cases can result in severe complications and even death....more »
    1926. Trichinosis
     Worm infection usually caught from pigs...more »
    1927. Trichosporon
     A genus of fungi that are normal flora of the respiratory and digestive tract...more »
    1928. Tricuspid valve diseases
     Any disease that affects the tricuspid valve...more »
    1929. Triskaidekaphobia
     An exaggerated or irrational fear of the number 13....more »
    1930. Trypanophobia
     An exaggerated or irrational fear of injections ....more »
    1931. Trypanosomiasis, east-African
     A rare infectious disease caused by a parasite called Trypanosoma brucei rhodesiense and is transmitted through the bite of an infected Tsetse fly. The infection causes an acute illness with symptoms occurring from days to weeks after infection. Death rel...more »
    1932. Tuberculosis
     Bacterial infection causing nodules forming, most commonly in the lung....more »
    1933. Tuberculosis, pulmonary
     Lung infection caused by a contagious bacterium called Mycobacterium tuberculosis. Infection occurs through inhalation of contaminants from infected people. Infection may spread from the lungs to other organs. The infection may incubate for years, be asym...more »
    1934. Tuberculous meningitis
     Tuberculous meningitis is an infection of the membranes covering the brain and spinal cord caused by Koch's bacillus....more »
    1935. 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 »
    1936. Tubulointerstitial nephritis and uveitis
     A rare disorder characterized by neurological degeneration and skeletal abnormalities....more »
    1937. Tularemia
     A rare infections disease caused by the bacterium Francisella tularensis (a gram-negative pleomorphic coccobacillus). Transmission occurs through contact with infected animals or there habitats e.g. bites from infected insects or other animals, eating inf...more »
    1938. Tumor
     Any type of lump or swelling (not just cancers)...more »
    1939. Type A influenza subtype H1
     The H1 subtype of influenza is a strain of the type A influenza virus that can cause cause serious illness and result in pandemics. Influenza is viral respiratory infection. The virus is very contagious and can cause severe illness especially in patients ...more »
    1940. Type A influenza subtype H10N7
     Influenza is viral respiratory infection. The virus is very contagious and can cause severe illness especially in patients who are very young or old or have some other medical condition as well. The severity of symptoms can vary but usually involves respi...more »
    1941. Type A influenza subtype H1N1
     The H1N1 subtype of influenza is a strain of the type A influenza virus that can cause illness in humans. Influenza is viral respiratory infection. The virus is contagious and can cause severe illness especially in patients who are very young or old or ha...more »
    1942. Type A influenza subtype H1N2
     The H1N2 subtype of influenza is a strain of the type A influenza virus that can cause cause illness in humans. Influenza is viral respiratory infection. The virus is contagious and can cause severe illness especially in patients who are very young or old...more »
    1943. Type A influenza subtype H2N2
     The H2N2 subtype of influenza is a strain of the type A influenza virus that can cause cause illness in humans. Influenza is viral respiratory infection. The virus is very contagious and can cause severe illness especially in patients who are very young o...more »
    1944. Type A influenza subtype H3N2
     The H3N2 subtype of influenza is a strain of the type A influenza virus that can cause cause illness in humans. Subtype H3N2 has caused a number of pandemics (e.g. Hong Kong Flu) and tends to occur in a seasonal pattern in many parts of the world. Influen...more »
    1945. Type A influenza subtype H5
     Influenza is viral respiratory infection. The virus is very contagious and can cause severe illness especially in patients who are very young or old or have some other medical condition as well. The severity of symptoms can vary but usually involves respi...more »
    1946. Type A influenza subtype H5N1
     Influenza is viral respiratory infection. The virus is very contagious and can cause severe illness especially in patients who are very young or old or have some other medical condition as well. The severity of symptoms can vary but usually involves respi...more »
    1947. Type A influenza subtype H7
     Influenza is viral respiratory infection. The virus is very contagious and can cause severe illness especially in patients who are very young or old or have some other medical condition as well. The severity of symptoms can vary but usually involves respi...more »
    1948. Type A influenza subtype H7N2
     Influenza is viral respiratory infection. The virus is very contagious and can cause severe illness especially in patients who are very young or old or have some other medical condition as well. The severity of symptoms can vary but usually involves respi...more »
    1949. Type A influenza subtype H7N3
     Influenza is viral respiratory infection. The virus is very contagious and can cause severe illness especially in patients who are very young or old or have some other medical condition as well. The severity of symptoms can vary but usually involves respi...more »
    1950. Type A influenza subtype H7N7
     Influenza is viral respiratory infection. The virus is very contagious and can cause severe illness especially in patients who are very young or old or have some other medical condition as well. The severity of symptoms can vary but usually involves respi...more »
    1951. Type A influenza subtype H9
     Influenza is viral respiratory infection. The virus is very contagious and can cause severe illness especially in patients who are very young or old or have some other medical condition as well. The severity of symptoms can vary but usually involves respi...more »
    1952. Type A influenza subtype H9N2
     Influenza is viral respiratory infection. The virus is very contagious and can cause severe illness especially in patients who are very young or old or have some other medical condition as well. The severity of symptoms can vary but usually involves respi...more »
    1953. Type B Influenza
     Type B influenza is a subtype of the influenza virus that tends to occur sporadically - can cause epidemics but not pandemics. Influenza is viral respiratory infection. The virus is very contagious and can cause severe illness especially in patients who a...more »
    1954. Type C Influenza
     Type C influenza is a subtype of the influenza virus that only rarely infects people and tends to only cause mild illness. It is not known to cause epidemics or pandemics. Influenza is viral respiratory infection....more »
    1955. Type I Hyperlipoproteinemia
     Type I Hyperlipoproteinemia is a rare inherited condition characterized by high levels of chylomicrons (a type of lipoprotein) in the blood. This condition is the result of low levels of lipoprotein lipase which is responsible for lowering lipoprotein lev...more »
    1956. Type Ia Hyperlipoproteinemia
     Type Ia Hyperlipoproteinemia is a rare inherited condition characterized by high levels of chylomicrons (a type of lipoprotein) in the blood. This condition is the result of low levels of lipoprotein lipase which is responsible for lowering lipoprotein le...more »
    1957. Type Ib Hyperlipoproteinemia
     Type Ib Hyperlipoproteinemia is a rare inherited condition characterized by high levels of chylomicrons (a type of lipoprotein) in the blood. This condition is the result of low levels of apolipoprotein C-II which is responsible for lowering lipoprotein l...more »
    1958. Type Ic Hyperlipoproteinemia
     Type Ic Hyperlipoproteinemia is a rare inherited condition characterized by high levels of chylomicrons (a type of lipoprotein) in the blood. This condition is the result of inhibited lipoprotein lipase activity. Lipoprotein lipase is responsible for lowe...more »
    1959. Typhoid fever
     Fever from bacterial food poisoning....more »
    1960. Typhus
     A general name for various arthropod-borne rickettsial infections...more »
    1961. Tyrannophobia
     An exaggerated or irrational fear or hatred of tyrants....more »
    1962. 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....more »
    1963. Ultram overdose
     Ultram is a drug used to treat or prevent pain. Excessive doses of the drug can result in various symptoms and even death in severe cases....more »
    1964. Upper Aerodigestive Tract NK/T cell lymphoma
     A form of lymphoma that occurs externally to the lymph nodes but is located in the upper aerodigestive tract. It includes tumors in the nasopharynx, nasal cavity as well as the upper aerodigestive tract. This particular type of lymphoma is rare but tends ...more »
    1965. Upper Respiratory Infection
     Any type of infection of the upper respiratory tract...more »
    1966. Urachal cancer
     A very rare cancer that occurs in the top of the urinary bladder. The urachus is a tube which joins the belly button to the top of the bladder. After birth, this tube gradually disappears and the amount remaining varies from person to person....more »
    1967. 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 »
    1968. Urethral syndrome
     Group of urinary symptoms...more »
    1969. Urinary stones
     Stones in the urinary tract or bladder....more »
    1970. Urinary tract infections
     Infection of the urinary system; usually bacterial....more »
    1971. Urinary tract infections (child)
     Infection of the urinary system in children....more »
    1972. Urophobia
     An exaggerated or irrational fear of urine....more »
    1973. Urosepsis
     Can be used interchangeably to describe either (a) urinary tract infection (UTI) or (b) the rare occurrence of bacterial seeding into the blood stream due to an UTI causing a generalised infection....more »
    1974. Vaccinia
     A cowpox virus that was initially used for human smallpox vaccines....more »
    1975. Vaccinophobia
     An exaggerated or irrational fear of vaccines or vaccination....more »
    1976. Vancomycin resistant enterococcal bacteremia
     A condition which is characterised by bacteremia caused by an enterococci that is resistant to vancomycin....more »
    1977. Varicella virus antenatal infection
     The infection of a mother with the varicella virus whilst she is pregnant...more »
    1978. Varicella zoster
     A highly contagious disease caused by herpes virus 3...more »
    1979. Vasculitis
     Inflammation of a blood or lymph vessel...more »
    1980. Vasculitis hypersensitivity
     A condition which is characterised by a reaction that results in the inflammation of the blood vessels...more »
    1981. Vasculitis, cutaneous necrotising
     A condition which is characterised by a vasculitis that results in a necrosis of the cutaneous tissues...more »
    1982. Vasomotor rhinitis
     Type of rhinitis related to dry air...more »
    1983. Venereophobia
     An exaggerated or irrational fear of venereal disease....more »
    1984. Venezuelan Equine Encephalitis -- Teratogenic Agent
     There is strong evidence to indicate that the development of Venezuelan Equine Encephalitis 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...more »
    1985. Ventral Hernia
     The protrusion of abdominal contents such as bowel through a defect in the abdominal wall caused by surgery or trauma....more »
    1986. Vermiphobia
     An exaggerated or irrational fear of earthworms....more »
    1987. Very-Long-Chain Acyl-CoA Dehydrogenase Deficiency
     A rare inherited genetic condition where the body is unable to convert certain fats to energy i.e. there is not enough of a certain enzyme which is needed to metabolize a type of fat called long-chain fatty acids. The build-up of these fatty acids in the ...more »
    1988. Vestibular neuritis
     A temporary condition which affects the inner ear workings but doesn't impair hearing. It is often caused by an upper respiratory infection....more »
    1989. Vibrio
     An organism of the genus Vibrio or other spiral motile organism...more »
    1990. Vibrio Infections
     Infection by a bacteria which occurs naturally in seawater and in the stomach of many seawater animals. It is a serious infection and accounts for most seafood-related deaths. It causes severe gastrointestinal symptoms and can also cause wound infection....more »
    1991. Vibrio infection -- Vibrio alginolyticus
     An infectious disease caused by a bacteria called Vibrio alginolyticus. This bacterium tends to cause ear and wound infections....more »
    1992. 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 »
    1993. 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 »
    1994. 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 »
    1995. 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 »
    1996. 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 »
    1997. 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 »
    1998. 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 »
    1999. Vibrio mimicus food poisoning
     Ingestion of food or water contaminated with a particular bacteria (Vibrio mimicus)....more »
    2000. Vibrio parahaemolyticus
     Bacteria commonly infecting oysters and seafood....more »
    2001. Vibrio vulnificus
     Bacteria commonly infecting oysters and seafood....more »
    2002. Vibrio vulnificus infection
     The infection by the vibrio vulnificus bacteria...more »
    2003. Vicodin overdose
     Vicodin is a prescription drug used to pain. Excessive doses of the drug can result in various symptoms and even death in severe cases....more »
    2004. Vicodin withdrawal
     Symptoms that occur when Vicodin use is discontinued or reduced. Vicodin is a pain-killing drug. Symptoms may vary depending on the level of dependence....more »
    2005. Vinblastine -- Teratogenic Agent
     There is evidence to indicate that exposure to Vinblastine 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 »
    2006. Vincristine -- Teratogenic Agent
     There is evidence to indicate that exposure to Vincristine during pregnancy and even the during the year leading up to the pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and se...more »
    2007. Viral Hemorrhagic Fevers
     Viral infections causing hemorrhagic fever (i.e. bleeding)...more »
    2008. Viral Hepatitis
     hepatitis describes inflammation of the liver. Hepatitis may be caused by alcohol, drugs, autoimmune diseases, metabolic diseases, and viruses. Viral infection accounts for more than half the cases of acute hepatitis....more »
    2009. Viral digestive infections
     Any virus that infects the gastrointestinal tract causing a medical condition...more »
    2010. Viral diseases
     Any disease that is caused by a virus...more »
    2011. Viral gastroenteritis
     Virus causing gastroenteritis of digestive tract....more »
    2012. Viral meningitis
     Viral meningitis refers to meningitis caused by a viral infection...more »
    2013. 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 »
    2014. Viral prostatitis
     Acute prostatitis almost always results from an infection. Infections that cause prostatitis are often bacterial. They are rarely fungal, viral, or protozoal....more »
    2015. Viremia
     The presence of a virus in the bloodstream. The symptoms will depend on the type of virus involved. Some viruses cause no symptoms....more »
    2016. Virus associated hemophagocytic syndrome
     A fulminant condition characterised by viral infection causing multiple organ infiltrates of haemophagocytic histiocytes....more »
    2017. Visceral leishmaniasis
     A condition which is characterized by an infection of the viscera by leishmaniasis...more »
    2018. Visceral leishmaniasis (kala-azar)
     A rare infectious disease caused by any of a number of parasitic Leishmania species. Infection can cause any of three different manifestations: cutaneous leishmaniasis, mucosal leishmaniasis and visceral leishmaniasis. Visceral leishmaniasis infection inv...more »
    2019. 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 »
    2020. Vitamin C Overdose
     Symptoms occurring due to the ingestion of an amount of ascorbic acid (vitamin C) in excess of recommended doses or prolonged chewing of vitamin C supplement tablets; overdose is rare except in people with predisposing conditions as ascorbic acid is non-t...more »
    2021. Vogt-Koyanagi-Harada Syndrome
     A rare condition characterized by poliosis and hair, skin, eye and ear abnormalities as well as retinal detachment and neurological involvement....more »
    2022. Voltaren -- Teratogenic Agent
     There is evidence to indicate that exposure to Voltaren (an NSAID 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 »
    2023. WAGR Syndrome
     A syndrome that is due to the deletion of chromosome 11....more »
    2024. WT limb blood syndrome
     A rare genetic disorder characterized by blood and limb abnormalities....more »
    2025. Waldenstrom macroglobulinemia
     A rare disorder involving malignancy of the lymph and blood cells....more »
    2026. Wallenberg's Syndrome
     A rare neurological condition caused by a stroke (involving the cerebellar artery) and resulting in symptoms such as facial paralysis or weakness on one side of body....more »
    2027. Warfarin -- Teratogenic Agent
     There is evidence to indicate that exposure to Warfarin 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 »
    2028. 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 »
    2029. Waterhouse-Friderichsen syndrome
     The malignant form of cerebrospinal meningitis...more »
    2030. 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 »
    2031. Weber-Christian disease
     A rare skin disorder characterized by recurring inflammation of the fatty layer of the skin and the development of nodules....more »
    2032. Wegener's granulomatosis
     A rare disease involving blood vessel inflammation which can affect the blood flow to various tissues and organs and hence cause damage. The respiratory system and the kidneys are the main systems affected....more »
    2033. Weil syndrome
     A rare infectious disorder which affects liver and kidney function and also causes hemorrhaging. It is a severe form of the second phase of leptospirosis which is an infection caused by the spiral shaped bacteria Leptospira interrogans which is transmitte...more »
    2034. Weil's syndrome
     Severe form of Leptospirosis...more »
    2035. Welander distal myopathy, Swedish type
     A very slowly progressing muscle fiber degeneration that starts as mild weakness in the small muscles of hands and feet and may eventually spread to neighbouring muscles....more »
    2036. Wells syndrome
     A rare disorder affecting the skin and characterized by a flame-shaped patch of raised red skin which eventually undergoes changes such as blistering and altered color....more »
    2037. Wernicke-Korsakoff syndrome
     A rare degenerative brain disorder caused by thiamine (Vitamin B1) deficiency. Chronic alcoholics are prone to this condition....more »
    2038. West African Trypanosomiasis
     West African sleeping sickness from the tsetse fly...more »
    2039. West Nile fever
     Mosquito-borne infectious virus....more »
    2040. West nile encephalitis
     A virus that is of the Flavivirus genus that causes the condition West Nile encephalitis...more »
    2041. 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 »
    2042. Western/Eastern/California encephalitis
     A mosquito born virus transmitted to humans and sometimes horses....more »
    2043. Wheat intolerance
     A condition that is characterised by an intolerance to wheat...more »
    2044. Wheezing
     A whistling like continuous sound that is caused by the respiratory system...more »
    2045. Whitlow
     Fingertip soft pad infection...more »
    2046. Whooping Cough
     An infectious condition caused by the bacteria Bordetella pertussis...more »
    2047. Wild Lima bean poisoning
     Wild Lima beans are a legume similar to the common lima beans which are considered safe to eat. The wild lima contains much higher levels of a chemical called cyanogen than the common lima bean. The cyanogen can cause symptoms and if sufficient quantities...more »
    2048. Wild cherry seed poisoning
     Wild cherry seeds contain a chemical called amygdalin which breaks down into cyanide in the human body. The toxic chemicals are not released if the seed remains intact and therefore poisoning usually only occurs if the seeds are crushed and eaten. Acciden...more »
    2049. Wilms tumor 2
     A familial form malignant kidney tumor that occurs in children. Type 2 differs from other forms of Wilms tumor by the origin of the genetic defect (chromosome 11p15.5)....more »
    2050. Wilms tumor 3
     A dominantly inherited form malignant kidney tumor that occurs in children. Type 3 differs from other forms of Wilms tumor by the origin of the genetic defect (chromosome 16q)....more »
    2051. Wilms tumor 4
     A familial form malignant kidney tumor that occurs in children. Type 4 differs from other forms of Wilms tumor by the origin of the genetic defect (chromosome 17q12-q21)....more »
    2052. Wilms tumor and radial bilateral aplasia
     A condition that is characterised by bilateral aplasia of the kidneys and wilms tumor...more »
    2053. Wilms tumour and pseudohermaphroditism
     A syndrome that is characterised by the occurrence of Wilms tumor with pseudohermaphroditism...more »
    2054. Wilms tumour and radial bilateral aplasia
     A conditions that is characterized by the absence of one of the two forearm bones (radius) as well as the development of a type of kidney tumor called Wilm's tumor....more »
    2055. Wilms' tumor
     A malignant kidney tumor that occurs in children....more »
    2056. Wilson's Disease
     Wilson disease, or hepatolenticular degeneration, is a neurodegenerative disease of copper metabolism....more »
    2057. Wine Grower's lung
     Inhalation of grape mold particles in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. Chronic exposure can lead to progressive lung symptoms which can gradually lead to sy...more »
    2058. Wiskott-Aldrich Syndrome
     An inherited immune system disorder that affects only males and is characterized by recurring infections, eczema and reduced level of blood platelets (thrombocytopenia)....more »
    2059. Wolman syndrome
     A form of lipoidosis where acid cholesteryl ester hydrolase deficiency causes an accumulation of lipids (particularly cholesterol esters and triglycerides) in tissues and organs....more »
    2060. Wood trimmer's disease
     Inhalation of wood trimming particles in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. Chronic exposure can lead to progressive lung symptoms which can gradually lead to...more »
    2061. Woods Black Norbury syndrome
     A condition that is characterised by immune deficiency in the newborn ultimately resulting in death...more »
    2062. Woodworker's lung
     Inhalation of a wood particles in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure to the wood p...more »
    2063. Woodworker's lung -- Cedar dust
     Inhalation of a wood dust from the Cedar tree in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposur...more »
    2064. Woodworker's lung -- Mahogany dust
     Inhalation of a wood dust from the mahogany tree in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to expo...more »
    2065. Woodworker's lung -- Maple dust
     Inhalation of a wood dust from the maple tree in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposur...more »
    2066. Woodworker's lung -- Oak dust
     Inhalation of a wood dust from the oak tree in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure ...more »
    2067. Woodworker's lung -- Pine dust
     Inhalation of a wood dust from the pine tree in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposure...more »
    2068. Woodworker's lung -- Spruce dust
     Inhalation of a wood dust from the spruce tree in an occupational setting can cause various lung symptoms. The severity of symptoms varies depending on the duration of the exposure. The lung symptoms result from the body's immune system reacting to exposu...more »
    2069. Worm conditions
     Any condition that is caused by infestation of worms...more »
    2070. Wound Infection
     Infection of a skin wound....more »
    2071. Wuchereria bancrofti
     An infectious disease caused by a thin, white, threadworm which affects the lymphatic circulation. It is transmitted through the bite of a mosquito....more »
    2072. Wyatt disease
     A cytomegalus virus infection that occurs before birth....more »
    2073. X-linked agammaglobulinaemia
     A condition that is characterised by the x linked inheritance of the absence of all immunoglobulins in the blood...more »
    2074. X-linked lymphoproliferative syndrome
     A rare inherited immunodeficiency disorder where the body's immune systm is unable to respond appropriately to certain viral infections (Epstein Barr virus)....more »
    2075. X-linked sideroblastic anaemia
    2076. XK aprosencephaly
     An extremely rare condition where the forebrain is absent as well as other abnormalities....more »
    2077. Xanthine oxydase deficiency
     The deficiency of an enzyme that is involved in the degradation of purine...more »
    2078. Xanthogranulomatous cholecystitis
     A lipid laden foam cell tumour of the gallbladder resulting in inflammation...more »
    2079. Xanthophobia
     An exaggerated or irrational fear of the color yellow or the word yellow....more »
    2080. Xenophobia
     An exaggerated or irrational fear or hatred of foreigners and strange things....more »
    2081. Xerophobia
     An exaggerated or irrational fear of dryness and dry places such as deserts....more »
    2082. Yaws
     A rare infections disease caused by the spiral-shaped bacteria Treponema pertenue. The disease consists of three phases: skin lesions are followed by bone, joint and widespread skin symptoms and finally by inflammation and destruction of cartilage in the ...more »
    2083. Yellow Fever Vaccine -- Teratogenic Agent
     There is evidence to indicate that exposure to Yellow Fever Vaccine during pregnancy or within ten days of conception, may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defe...more »
    2084. Yellow nail syndrome
     A rare nail condition characterized by thickened yellow nails as well as swelling of parts of the body due to lymphatic drainage problems resulting from blocked or damaged lymphatic system....more »
    2085. Yersinia pseudotuberculosis
     An infectious disease caused by a bacterium called Yersinia pseudotuberculosis which is transmitted from direct and indirect contact with infected animals. Human to human transmission may also occur through fecal-oral contact....more »
    2086. Yersiniosis
     A condition which is characterized by infectious diarrhea, enteritis, ileitis and occasionally septicaemia...more »
    2087. Young syndrome
     Symptoms in a fetus that occur when the mother is suffering from advanced diabetes mellitus during pregnancy....more »
    2088. Yusho disease
     A condition that affects the menstrual cycle of female as well as having effects on the immune system...more »
    2089. ZAP70 deficiency
     A condition characterised by a deficiency of the Zap70 tyrosine kinase which is a component...more »
    2090. Zelophobia
     An exaggerated or irrational fear of jealousy....more »
    2091. Zemmiphobia
     An exaggerated or irrational fear of the great mole rat....more »
    2092. Zinc poisoning
     A type of heavy metal poisoning caused by excessive exposure to zinc....more »
    2093. Zoophobia
     An exaggerated or irrational fear of animals....more »
    2094. Zuskas Disease
     A metaplastic condition that affects the lactiferous ducts of the breast...more »
    2095. Zygomycosis
     An infectious disease caused by fungus from the orders Mucorales and Entomophthorales which are normally found in the soil and in decaying plant matter. The infection differs from mucormycosis which only involves the order Mucorales. Transmission is usual...more »

    Show All 2095 Causes
    | Start Again

More Searches: Fever

Research Deeper: More About These Symptoms

Causes of Types of Fever:

Review the causes of these more specific types of Fever:

Review causes of types of Fever in more specific categories:

Review causes of more specific types of Fever:

Causes of General Symptom Types

Research the causes of these more general types of symptom:

Broaden Your Search: Remove a Symptom


Start Again with New Symptoms »

Notes About Causes

  • Warning - Beta version - information may be incorrect (details)
  • Disclaimer - Do not use this information for diagnosis (details)
  • Important - See your doctor - Only a doctor can give an accurate diagnosis (details)
 

By using this site you agree to our Terms of Use. Information provided on this site is for informational purposes only; it is not intended as a substitute for advice from your own medical team. The information on this site is not to be used for diagnosing or treating any health concerns you may have - please contact your physician or health care professional for all your medical needs. Please see our Terms of Use.

Home | Symptoms | Diseases | Diagnosis | Videos | Tools | Forum | About Us | Terms of Use | Privacy Policy | Site Map | Advertise