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Symptom Checker » Brain symptoms » Gradual abdominal distension
 

Brain symptoms and Gradual abdominal distension and Loose stool and White stool
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Results: Causes of Brain symptoms AND Gradual abdominal distension AND Loose stool AND White stool

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Results: 2830 causes of Brain symptoms OR Gradual abdominal distension OR Loose stool OR White stool

    1. 1q deletion
     A rare chromosomal disorder where part of the long arm (q) of chromosome 1 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    2. 1q terminal deletion
     A rare chromosomal disorder where the terminal part of the long arm (q) of chromosome 1 is deleted resulting in various abnormalities....more »
    3. 2-Hydroxyglutaricaciduria
     A rare metabolic disorder characterized by high levels of a certain chemical (2-Hydroxyglutaric) which causes a serious progressive neurological disease and damage to the brain. The features of this disorder are variable and some cases are milder than oth...more »
    4. 2-Methylbutyric Aciduria
     A very rare genetic disorder where an enzyme deficiency prevents the break down of certain proteins into energy and results in a harmful accumulation of acids in the blood and body tissues. More specifically, there is a deficiency of an enzyme (2-methylbu...more »
    5. 2-methylbutyryl-coenzyme A dehydrogenase deficiency
     A very rare genetic disorder where an enzyme deficiency prevents the break down of certain proteins into energy and results in a harmful accumulation of acids in the blood and body tissues. More specifically, there is a deficiency of an enzyme (2-methylbu...more »
    6. 22q11.2 deletion syndrome
     A rare genetic disorder caused by the absence of a small portion of genetic material. A small section of chromosome 22 is missing at a location called q11.2. Chromosome 22 is one of 23 pairs of chromosomes that exist in humans....more »
    7. 2p21 deletion syndrome
     This syndrome is a more severe form hypotonia-cystinuria syndrome as a larger portion of genetic material from chromosome 2p21 is deleted. It is characterized by infant seizures, reduced muscle tone, developmental delay, lactic acidosis and unusual facial...more »
    8. 2q deletion
     A rare chromosomal disorder where part of the long arm (q) of chromosome 2 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    9. 3 alpha methylglutaconicaciduria, type 3
     A rare genetic condition where a gene mutation prevents the production of certain protein which leads to a build-up of an acid (3-methylglutaconic acid) which can have a negative impact on the body. The condition is characterized mainly by damage to the o...more »
    10. 3-Hydroxyacyl-CoA Dehydrogenase II Deficiency
     A rare genetic disorder involving the deficiency of an enzyme (hydroxyacyl-coa dehydrogenase). The severity of the symptoms is highly variable with some cases resulting in death during the first decade while others suffer psychomotor and regression. Sympt...more »
    11. 3-Hydroxyisobutyric aciduria
     A rare inborn metabolic disorder which causes brain and facial anomalies, seizures and growth problems....more »
    12. 3-methylglutaconic aciduria, type 4
     A rare genetic disorder where the body's cells are unable to make sufficient energy resulting in an accumulation in the body of 3-methylglutaconic acid. Type 4 is characterized by symptoms which overlap type 1 and 3....more »
    13. 3-methylglutaconic aciduria, type V
     A rare genetic disorder where the body's cells are unable to make sufficient energy resulting in an accumulation in the body of 3-methylglutaconic acid....more »
    14. 3q deletion
     A rare chromosomal disorder where part of the long arm (q) of chromosome 3 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    15. 4-hydroxyphenylacetic aciduria
     A urinary abnormality usually caused by the deficiency of a particular enzyme (4-hydroxyphenylpyruvic acid oxidase). The urine contains excess 4-hydroxyphenylacetic acid....more »
    16. 4p16.3 deletion
     A rare genetic disorder where a portion of chromosome 4 is deleted at a location called 16.3. The condition is characterized by malformations in most parts of the body as the deletion affects growth and development of the fetus....more »
    17. A ?-protein amyloidosis
     Amyloidosis is a rare group of metabolic disorders where a protein called amyloid accumulates in body organs and tissues where it can cause damage. This particular form involves deposits of ?-proteins in the nerves resulting in Alzheimer's disease or arou...more »
    18. ACAD8 deficiency
     An extremely rare metabolic disorder where the body is unable to metabolize certain proteins properly. More specifically, an insufficient level of the enzyme (isobutyryl-coenzyme A dehydrogenase) needed to metabolize the amino acid valine. The onset and s...more »
    19. ACAD9 deficiency
     A metabolic disorder involving a deficiency of an enzyme (acyl-CoA dehydrogenase-9). The symptoms are variable and are usually triggered by a viral infection or ingestion of aspirin which can trigger a Reye-like episode which can cause death....more »
    20. ACPS III
     A rare genetic condition characterized by head and digital anomalies as well as other abnormalities....more »
    21. ACTH resistance
     A rare inherited genetic disorder characterized by adrenal insufficiency due to the adrenal gland's inability to respond to ACTH and hence produce the hormone called cortisol....more »
    22. ADANE
     A potentially fatal inherited neurological disease involving brain lesions. Symptoms tend to occur during childhood after an illness involving a fever. The disease is similar to Leigh syndrome but the course is acute rather than chronic....more »
    23. AIDS-Related Opportunistic Infections
     A term given to HIV patients who have a low CD4 count (below 200) which means that they have low levels of a type of immune cell called T-cells. AIDS patients tend to develop opportunistic infections and cancers. Opportunistic infections are infections th...more »
    24. ARCA
     A group of recessively inherited neurological disorders characterized mainly by cerebellar ataxia and usually with other additional abnormalities....more »
    25. ATR-X syndrome
     A rare X-linked disorder that affects males and is characterized by mental retardation and alpha thalassemia....more »
    26. Aase Smith syndrome
     A rare hereditary syndrome characterized by deformities such as cleft palate, joint contractures and hypoplastic anemia....more »
    27. Aase-Smith I syndrome
     A very rare hereditary syndrome characterized by deformities such as joint contractures, anemia, hydrocephalus and cleft palate....more »
    28. Abdominal abscess
     An abscess that occurs anywhere in the abdomen....more »
    29. Abetalipoproteinemia
     A rare disorder involving abnormalities in fat metabolism. The resulting insufficiency of fats and vitamins affect the normal development and function of the body....more »
    30. Absence of septum pellucidum and septo-optic dysplasia
     A rare birth defect where a thin membrane in the middle of the brain is missing. This brain abnormality is never present on it's own but is a characteristic of septo-optic dysplasia where the patient also has optic disk abnormalities and pituitary deficie...more »
    31. Absent corpus callosum -- cataract -- immunodeficiency
     A rare syndrome characterized by immunodeficiency, cleft lip or palate, cataract, reduced pigmentation and brain abnormalities....more »
    32. Acanthamoeba
     Several conditions from infection with ameba....more »
    33. Acanthamoeba infection
     Infection with a microscopic, free-living ameba that is readily found in the environment - soil, air and water. Most people exposed to the ameba will not become infected but when infections do occur, they tend to affect the eyes, central nervous system or...more »
    34. Acanthamoeba infection of the central nervous system
     Infection by an amoebic organism called Acanthamoeba. Infection usually occurs when the amoeba enters through a break in the skin or through the nose. Infection can be localized or systemic where it can involve the central nervous system and cause potenti...more »
    35. Acanthocytosis
     A rare disorder where most of the red blood cells are abnormal with spiny projections due to lipid abnormalities. The blood abnormality is seen in conditions such as abetalipoproteinemia, severe liver disease and severe malnutrition. Symptoms and prognosi...more »
    36. Accelerated hypertension
     Accelerated hypertension is a condition characterized by a rapid increase in blood pressure. The condition is a medical emergency which can cause organ damage if not treated promptly....more »
    37. Accutane -- Teratogenic Agent
     There is strong evidence to indicate that the use of Accutane during pregnancy may cause a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exp...more »
    38. Achalasia -- Addisonianism -- Alacrimia syndrome
     A rare inherited disorder characterized mainly by achalasia, alacrimia (absent tears) and Addison's disease. Addison's disease involves adrenal insufficiency due to a resistance to adrenocorticotropic hormone. Only about 70 cases reported worldwide....more »
    39. Achalasia -- addisonianism -- alacrima syndrome
     A rare inherited disorder characterized mainly by achalasia, alacrimia (absent tears) and Addison's disease. Addison's disease involves adrenal insufficiency due to a resistance to adrenocorticotropic hormone. Only about 70 cases reported worldwide....more »
    40. Achalasia -- adrenal -- alacrima syndrome
     A familial disorder characterized by adrenal gland-related hormonal problems, swallowing difficulty (achalasia) and a lack of tears (alacrima). Neurological impairment and motor and sensory neuropathy is progressive. The adrenal glands in patients are res...more »
    41. Achromatopsia
     Patients who have achromatopsia (sometimes called achromatopia) do not have normal "cone vision.". Although the term may refer to acquired disorders such as color agnosia and cerebral achromatopsia, it typically refers to an autosomal recessive congenital...more »
    42. Acid phosphatase deficiency
     A group of inherited metabolic bone disorders varying in degree of severity and characterized a deficiency of alkaline phosphate which affects bone mineralization....more »
    43. Acid-Base Imbalance
     A disruption to the normal acid-base equilibrium in the body. There are four main groups of disorder involving an acid-base imbalance: respiratory acidosis or alkalosis and metabolic acidosis or alkalosis. Obviously the severity of symptoms is determined ...more »
    44. Acidemia, isovaleric
     A rare genetic condition where the body can't process proteins adequately. More specifically, there are insufficient levels of the enzyme needed to break down an amino acid called leucine. This results in a build up of isovaleric acid which can harm the b...more »
    45. Acidemia, methylmalonic
     An inborn error of metabolism where amino acids in the body aren't metabolized properly resulting in high levels of the acid throughout the body....more »
    46. Acidemia, propionic
     An inherited genetic disorder where the body is incapable of processing some proteins and fats resulting in the accumulation of certain substances in the body which causes the symptoms of the condition. The condition can be life threatening....more »
    47. Ackee Fruit Food poisoning
     Unripe ackee fruit contains a chemical called hypoglycin A and B which affect the central nervous system and fatty acid oxidation. Eating the unripe fruit can cause symptoms can occur in as little as two hours but is generally 6 to 48 hours. The ackee fru...more »
    48. Acoustic Neurinoma
     A benign tumor of the 8th cranial nerve which lies in the tube connecting the inner ear to the brain....more »
    49. Acoustic neuroma
     A benign tumor of the 8th cranial nerve which lies in the tube connecting the inner ear to the brain....more »
    50. Acrocallosal Syndrome (Schinzel Type)
     A rare condition characterized by absence of portion of the brain (corpus callosum), mental deficiency, duplicated toes, mental deficiency and other abnormalities....more »
    51. Acrocephalopolydactyly
     A rare genetic condition characterized by limb abnormalities, extra digits and hydrocephalus. Other additional symptoms are variably present....more »
    52. Acrocephalopolydactyly -- Cardiac Disease -- Ear, Skin and Lower Limb Defects
     A rare genetic condition characterized by head and digital anomalies as well as other abnormalities....more »
    53. Acrocephalopolysyndactyly type III
     A rare genetic condition characterized by head and digital anomalies as well as other abnormalities....more »
    54. Acrocephalosyndactyly Syndrome type 5
     A rare genetic disorder where some of the skull bones fuse too early which affects the size and shape of the skull and face. Thumb and toe abnormalities are also present. There are three types of Pfeiffer syndrome with varying degrees of severity....more »
    55. Acrocephalosyndactyly type 5 (ACPS 5)
     A rare genetic disorder where some of the skull bones fuse too early which affects the size and shape of the skull and face. Thumb and toe abnormalities are also present. There are three types of Pfeiffer syndrome with varying degrees of severity....more »
    56. Acrodermatitis Enteropathica
     A rare inherited malabsorption disorder where the body is unable to absorb zinc in adequate quantities....more »
    57. Acrodynia
     Symptoms caused by chronic mercury poisoning in infants in children....more »
    58. Acrofacial dysostosis Rodriguez type
     One of a group of disorders characterized by defective limb and facial development. The Rodriguez type is very rare and primarily involves severe limb and organ malformations....more »
    59. Acrofrontofacionasal dysostosis syndrome
     A very rare syndrome characterized by abnormalities of the bones of the skeleton as well as mental retardation. Various facial, eye and urogenital anomalies are also present....more »
    60. Acroosteolysis dominant type
     A rare inherited connective tissue disorder characterized by breakdown of bone especially in the ends of the fingers and toes....more »
    61. Acutane embryopathy
     A rare disorder caused by fetal exposure to retinoids and resulting in mental and physical birth defects....more »
    62. 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 »
    63. Acute Pesticide poisoning -- xylene
     Xylene is an ingredient used in certain insecticides. Exposure to the chemical can cause a range of symptoms depending on the level and route of exposure. Exposure can occur through inhalation, ingestion, the skin or eyes. Acute exposure involves a exposu...more »
    64. 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 »
    65. Acute fulminant multiple sclerosis
     Malignant Multiple Sclerosis, is a particularly aggressive form of the disease. Thankfully very rare, this highly aggressive form is defined by its swift and relentless decline to significant disability or even death, often within a few weeks or months af...more »
    66. 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 »
    67. Acute intermittent porphyria
     A rare metabolic disorder characterized by a deficiency in the porphobilinogen deaminase enzyme which results in a build-up of porphyrins or its precursors in the body. Using certain drugs or eating certain foods can trigger the symptoms of the condition....more »
    68. 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 »
    69. Acute mountain sickness
     A condition that occurs when an un-acclimatized person climbs to high altitudes....more »
    70. Acute respiratory distress syndrome, Infant
     A breathing disorder that occurs in infants. The underdeveloped lungs fail to functioning adequately and the body becomes deprived of oxygen. The condition is more likely to affect premature infants and the greater the prematurity, the greater the risk....more »
    71. Acute vitamin A toxicity
     Acute ingestion of vitamin A can cause symptoms. Symptoms usually only last for a day or two....more »
    72. Acyclovir -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Acyclovir 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 »
    73. Acyl-CoA dehydrogenase, short chain, deficiency of
     A rare disorder where the body lacks enzymes needed to convert some fats (short-chain fatty acids) into energy. Symptoms are exacerbated by fasting or acute illness. The severity of symptoms is variable with some patients remaining virtually asymptomatic ...more »
    74. Adams Nance syndrome
     A rare genetic disorder characterized by rapid heartbeat, high blood pressure, small eyes and the presence of excess glycine in the urine....more »
    75. 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 »
    76. Adducted thumb syndrome recessive form
     A rare recessively inherited disorder characterized mainly by a small head, arthrogryposis (joint contractures), cleft palate and various other abnormalities....more »
    77. Adducted thumbs -- arthrogryposis, Christian type
     A rare recessively inherited disorder characterized mainly by a small head, arthrogryposis (joint contractures), cleft palate and various other abnormalities....more »
    78. 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 »
    79. 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 »
    80. Adenoviruses
     Common viruses causing common cold and various other ailments....more »
    81. Adenylosuccinate lyase deficiency
     A rare inherited disorder characterized by a deficiency of the enzyme called adenlyosuccinate lyase which generally results in psychomotor retardation and autistic behavior....more »
    82. Adhesive abuse
     Adhesive abuse is the use of various inhalants for the purpose of achieving a "high". They are often used as a cheap, readily available alternative to street drugs but they can cause serious damage to the body. Adhesives include household glues, rubber ce...more »
    83. Adhesive addiction
     Adhesive addiction refers to the compulsive need to abuse adhesives (e.g. sniffing them). Sufferers have withdrawal symptoms when attempting to stop the habit and feel unable to stop the habit despite knowing the harm it is causing their health. Aerosols ...more »
    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. Adrenoleukodystrophy
     A rare disorder which has characteristic symptoms of Addison disease (adrenocortical insufficiency) and Schilder disease (cerebral sclerosis). Bronze skin, brain sclerosis and demyelination are the main symptoms....more »
    86. Adrenoleukodystrophy, autosomal, neonatal form
     A rare inherited disorder involving the adrenal glands, testes and certain parts of the brain (white matter). It is a less severe form of leukodystrophy where an abnormality within the body cells prevents the metabolism of certain fats (long chain fatty a...more »
    87. Adult low grade infiltrative supratentorial Astrocytoma
     A type of brain cancer that occurs in the supratentorial region of the brain of adults and is relatively non-aggressive....more »
    88. Adult-onset ALD
     Form of ALD in adults....more »
    89. Aerosol abuse
     Aerosol abuse is the use of various inhalants for the purpose of achieving a "high". They are often used as a cheap, readily available alternative to street drugs but they can cause serious damage to the body. Aerosols include air fresheners, hair spray, ...more »
    90. Aerosol addiction
     Aerosol addiction refers to the compulsive need to abuse aerosol (e.g. sniffing them). Sufferers have withdrawal symptoms when attempting to stop the habit and feel unable to stop the habit despite knowing the harm it is causing their health. Aerosols are...more »
    91. African Sleeping sickness
     Fly-borne African parasitic disease....more »
    92. Agenesis of the corpus callosum -- mental retardation -- coloboma -- micrognathia
     A rare inherited disorder characterized by mental retardation, coloboma, small jaw and a brain anomaly....more »
    93. Agnathia-holoprosencephaly-situs inversus
     A very rare disorder characterized by a small or absent jaw, developmental brain defect and internal organs situated on the wrong side of the body (situs inversus). The severity and range of symptoms is variable....more »
    94. Agyria-pachygyria type 1
     Abnormal brain development where the brain fails to develop normally during the fetal stage....more »
    95. Aicardi-Goutieres syndrome
     A rare inherited progressive disease that affects the brain and immune system....more »
    96. Aicardi-Goutieres syndrome 1
     A rare inherited progressive disease that affects the brain and immune system. Type 1 is caused by a defect on chromosome 3p21.3-p21.2....more »
    97. Aicardi-Goutieres syndrome 2
     A rare inherited progressive disease that affects the brain and immune system. Type 2 is caused by a defect on chromosome 13q14-q21....more »
    98. Aicardi-Goutieres syndrome 3
     A rare inherited progressive disease that affects the brain and immune system. Type 3 is caused by a defect on chromosome 11q13.2....more »
    99. Aicardi-Goutieres syndrome 4
     A rare inherited progressive disease that affects the brain and immune system. Type 4 is caused by a defect on chromosome 19p13.13....more »
    100. Aicardi-Goutieres syndrome 5
     A rare inherited progressive disease that affects the brain and immune system. Type 5 is caused by a defect on chromosome 3p21.3-p21.2....more »
    101. Air embolism
     A condition which is characterized by air bubbles entering the circulation usually due to trauma, decompression sickness or surgery....more »
    102. Akesson syndrome
     A very rare syndrome characterized by excessive skin folds and furrows on the scalp, mental retardation the failure of the thyroid to develop....more »
    103. Al Gazali -- Nair syndrome
     A very rare syndrome characterized by bone abnormalities, eye problems, seizures and developmental delay. The reported cases involved related parents....more »
    104. Al Gazali Sabrinathan Nair syndrome
     A very rare syndrome characterized by bone and eye problems, seizures and mental retardation....more »
    105. Al Murrah-induced lead poisoning
     Al Murrah is a folk remedy used mainly by Saudi Arabian people to treat problems such as stomach pain, diarrhea and colic. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible...more »
    106. Alarcon-induced lead poisoning
     Alarcon is a folk remedy used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susc...more »
    107. Albayaidle-induced lead poisoning
     Albayaidle is a folk remedy used mainly by Mexican and Central American people to treat digestive or stomach problems such as vomiting and colic. It is also used to treat apathy and lethargy. This folk remedy has the potential to cause lead poisoning due ...more »
    108. Albayalde-induced lead poisoning
     Albayalde is a folk remedy used mainly by Mexican and Central American people to treat digestive or stomach problems such as vomiting and colic. It is also used to treat apathy and lethargy. This folk remedy has the potential to cause lead poisoning due t...more »
    109. Albright's hereditary osteodystrophy
     A rare genetic disorder where the body fails to recognize and respond to the parathyroid hormone. The parathyroid hormone is involved in controlling the blood levels of calcium and phosphate....more »
    110. Alcohol Withdrawal
     Symptoms that occur when alcohol consumption is discontinued or reduced. Symptoms may vary depending on the level of dependence....more »
    111. Alcohol antenatal infection
    112. Alcohol drinking
     The consumption of a drink containing alcohol. Alcohol consumption can cause varying degrees of impairment depending on the amount consumed. Consuming very large amounts of alcohol can lead to death....more »
    113. Alcohol-Induced Disorders
     Disorders caused by excessive alcohol consumption. The symptoms are variable depending on the disorder involved. Some of the disorders are: alcohol abuse, alcohol dependence, alcohol intoxication, alcohol withdrawal, alcohol intoxication delirium, alcohol...more »
    114. Alcoholic cerebellar degeneration
     Cerebellar degeneration is a disease process in which the neurons in the cerebellum- the area of the brain that controls muscle co-ordination and balance- deteriorate and die....more »
    115. 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 »
    116. Ales dysfibrinogenemia
     A rare inherited disorder characterized by abnormal fibrinogen which is a protein essential to the blood clotting process. The Alès type was discovered in Alès....more »
    117. Alexander Syndrome
     Brain myelin disorder causing mental degeneration....more »
    118. Allergic encephalomyelitis
     An autoimmune brain and spinal cord disease that can be induced in laboratory animals in experimental settings. The disease involves inflammation and degeneration of nerve myelin sheaths and it may be acute or chronic....more »
    119. Alopecia mental retardation syndrome
     A rare syndrome characterized primarily by a lack of hair and mental retardation....more »
    120. Alopecia, epilepsy, oligophrenia syndrome of Moynahan
     A rare condition characterized by alopecia, epilepsy, mental retardation and a small head....more »
    121. Alopecia, epilepsy, pyorrhea, mental subnormality
     A rare syndrome characterized by alopecia, epilepsy, mental retardation and pus-producing gum and tooth inflammations....more »
    122. Alpers Syndrome
     A rare syndrome characterized by liver disease, seizures and progressive, episodic psychomotor retardation....more »
    123. Alpha-ketoglutarate dehydrogenase deficiency
     A metabolic disorder characterized by a deficiency of Alpha-ketoglutarate dehydrogenase which results in high levels of oxoglutaric acid in the urine as well as other severe symptoms....more »
    124. Alpha-mannosidosis type II
     A rare inherited metabolic disorder involving a deficiency of an enzyme (alpha-mannosidosase) which results in the accumulation of certain chemicals in the body which leads to progressive damage. This form of the condition is less severe than type I (infa...more »
    125. Alpha-mannosidosis, adult-onset form
    126. Alternating hemiplegia of childhood
     A rare neurological disorder involving paralysis on one side of the body that is only temporary but occurs often. The extent of the paralysis is variable....more »
    127. Aluminium toxicity
     High body levels of aluminium resulting in symptoms. Usually occurs in patients with renal impairment....more »
    128. Alveolar Hydatid Disease
     Rare multi-organ tapeworm infection caught from animals....more »
    129. Alzheimer disease, familial, 3, with spastic paraparesis and apraxia
     This form of Alzheimer's is an early-onset form of Alzheimer's that is linked to a defect on chromosome 14q24.3. It is characterized by features which are atypical for Alzheimer's - spastic paraparesis which occurs before the dementia symptoms and apraxia...more »
    130. Amebiasis
     An intestinal infection caused by a parasitic amebic organism. It is usually associated with poor sanitation....more »
    131. 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 »
    132. Aminoacidopathies
     Any of a group of inborn errors of metabolism which results in the build up in the body of one or more amino acids in the blood and/or urine. The range and severity of symptoms is hugely variable....more »
    133. Aminoacylase 1 deficiency
     A rare genetic disorder caused by an enzyme (aminoacylase-1) deficiency. There is still uncertainty whether the deficiency actually causes any of the symptoms observed in patients....more »
    134. Aminopterin -- Teratogenic Agent
     There is strong evidence to indicate that exposure to ? 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 »
    135. Aminopterin and methotrexate -- Teratogenic Agent
     There is strong evidence to indicate that the use of Aminopterin and methotrexate during pregnancy may cause a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected...more »
    136. Amitriptyline -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Amitriptyline during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level o...more »
    137. Amlodipine -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Amlodipine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of e...more »
    138. Amnesic shellfish poisoning
     Rare shellfish poisoning sometimes causing amnesia....more »
    139. 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 »
    140. Amphetamine -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Amphetamine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of ...more »
    141. Amphetamine abuse
     Use of the stimulant drugs known as amphetamines or "speed"...more »
    142. Ampicillin -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Ampicillin during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of e...more »
    143. Ampola syndrome
     A rare genetic disease characterized primarily by mental retardation, facial anomalies, short stature, seizures and finger and toe abnormalities....more »
    144. Amyloid Neuropathies
     A peripheral nerve disorder caused by abnormal amyloid deposits in the nerves. Sensory, autonomic or motor nerves may be affected. The degree of nerve involvement, and hence symptoms, are variable....more »
    145. Amyloid angiopathy
     A blood vessel disorder caused by abnormal amyloid deposits in the blood vessel walls of the brain. The deposits can cause the blood vessel to become weak and rupture resulting in intracranial bleeding. Despite the potentially serious consequences the dis...more »
    146. Amyloidosis VI
     Amyloidosis involves the abnormal deposit of a substance called amyloid in various parts of the body. In the Icelandic type, the amyloid deposits affect the brain blood vessels and cause hemorrhages....more »
    147. Amyloidosis VII
     Amyloidosis involves the abnormal deposit of a substance called amyloid in various parts of the body. In the Ohio type, the amyloid deposits in the leptomeningeal blood vessels, brainstem, spinal cord and eye causing central nervous system dysfunction, br...more »
    148. Amyloidosis, familial cutaneous
     Amyloidosis involves the abnormal deposit of a substance called amyloid in various parts of the body. The familial cutaneous form is characterized by brown skin pigmentation as well as systemic symptoms such as failure to thrive, developmental delay, gast...more »
    149. Amyloidosis, oculoleptomeningeal
     Amyloidosis involves the abnormal deposit of a substance called amyloid in various parts of the body. In this particular type, the amyloid deposits in the leptomeningeal blood vessels, brainstem, spinal cord and eye causing central nervous system dysfunct...more »
    150. Amyotrophic lateral sclerosis
     A motor neuron disease involving progressive degeneration and eventual destruction of the function of nerves that control voluntary movement....more »
    151. Amyotrophic lateral sclerosis, type 6
     An inherited disorder involving progressive degeneration of motor neurons which results in muscle weakness and wasting. Type 6 is caused by a defect on chromosome 16q12....more »
    152. Andersen disease
     An rare inborn error of metabolism involving glycogen storage and characterized by cirrhosis and sometimes liver failure. Lack of the amyl-transglucosidase enzyme and abnormal glycogen causes the condition....more »
    153. Aneurysm, intracranial berry
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    154. Aneurysm, intracranial berry, 1
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    155. Aneurysm, intracranial berry, 10
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    156. Aneurysm, intracranial berry, 2
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    157. Aneurysm, intracranial berry, 3
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    158. Aneurysm, intracranial berry, 4
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    159. Aneurysm, intracranial berry, 5
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    160. Aneurysm, intracranial berry, 6
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are now six different subtypes of intracranial berry aneurysms with each o...more »
    161. Aneurysm, intracranial berry, 7
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    162. Aneurysm, intracranial berry, 8
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    163. Aneurysm, intracranial berry, 9
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    164. Aneurysmal subarachnoid haemorrhage
     Bleeding in the space around the brain that occurs from a leak in a weakened or dilated blood vessel under the arachnoid layer of the brain. Death can occur if treatment is not prompt....more »
    165. Angelman syndrome
     A rare genetic disorder characterized by a puppet-like gait, fits of laughter and characteristic facial features....more »
    166. Angelman-Like Syndrome, X-linked
     A very rare syndrome characterized mainly by mental retardation, mutism, facial anomalies, epilepsy and weak eye muscles. Males tended to have severe mental retardation whereas female carriers had mild or no mental retardation. Patients do eventually walk...more »
    167. Angioma hereditary neurocutaneous
     A rare genetic condition characterized angiomas involving both the skin and nervous system....more »
    168. Angiomatosis, diffuse corticomeningeal, of Divry and Van Bogaert
     A rare condition characterized by diffuse sclerosis and clusters of capillaries in parts of the brain as well as a marbled appearance to the skin....more »
    169. 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 »
    170. 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 »
    171. Aniridia cerebellar ataxia mental deficiency
     A rare inherited disorder characterized by a partial absence of the iris, mental retardation and impaired coordination of voluntary movements....more »
    172. Anophthalmia -- hypothalamo-pituitary insufficiency
     A rare syndrome characterized mainly by small or absent eyes and malformations of the hypothalamus and pituitary gland....more »
    173. Anophthalmia -- hypyothalamo-pituitary insufficiency
     A rare syndrome characterized mainly by small or absent eyes and malformations of the hypothalamus and pituitary gland....more »
    174. Anoxia
     Lack of oxygen to the body's tissues....more »
    175. Antepartum Eclampsia
     Antepartum eclampsia is the development of seizures or coma in pregnant women suffering from high blood pressure. Antepartum means that it occurs before delivery. Eclampsia is a serious condition which requires urgent medical treatment. Eclampsia may be a...more »
    176. Anthrax
     A serious infectious bacterial disease that can be fatal....more »
    177. Antiphospholipid syndrome
     An autoimmune disorder characterized by blood clots and pregnancy losses....more »
    178. Aorta conditions
     Conditions that affect the aorta...more »
    179. Aortic Aneurysm, Thoracic
     Bulging and weakness of the aorta in the area of the chest. The condition is life-threatening as death can occur rapidly if the aneurysm bursts....more »
    180. Apallic syndrome
     A persistent vegetative state caused by brain damage....more »
    181. Apomorphine -- Teratogenic Agent
     Experimental studies on chickens indicate that the use of Apomorphine 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 exp...more »
    182. Apraxia, oculomotor, Cogan type
     A rare inherited condition where the person is unable to move eyes horizontally making it difficult to follow objects....more »
    183. 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 »
    184. Arachnodactyly -- ataxia -- cataract -- aminoaciduria -- mental retardation
     A rare syndrome characterized mainly by congenital cataracts, ataxia, mental retardation, abnormal amino acid metabolism and long, thin fingers....more »
    185. Arachnoid Cysts
     A rare disorder involving a fluid-filled cysts on the arachnoid membrane which is one of the thin layers of tissue that form a membrane which covers the spinal cord and brain. The type and severity of symptoms is determined by the size and location of the...more »
    186. Arakawa's syndrome 2
     An inherited metabolic disorder where an enzyme deficiency (methionine synthase) causes mental and physical retardation, blood disorders, degeneration of brain tissue and various other symptoms....more »
    187. 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 »
    188. Arena syndrome
     A rare disorder characterized by mental retardation, spastic paraplegia and iron deposits in part of the brain that controls movement (basal ganglia)....more »
    189. 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 »
    190. Arginase deficiency
     A very rare urea cycle disorder caused by a deficiency of the enzyme (arginase) needed to convert ammonia to the urea which can then be removed in the urine. The condition leads to excess build-up of ammonia in the body which is toxic to the nervous syste...more »
    191. Argininosuccinase lyase deficiency, neonatal
     A rare inherited urea cycle disorder caused by lack of enzymes (argininosuccinase lyase) needed to turn ammonia into urea resulting in excess ammonia in the body. The neonatal form of the condition can result in death or severe complications if not treate...more »
    192. Argininosuccinic aciduria
     A rare inherited disorder of the urea cycle characterized by the lack of an enzyme (argininosuccinate lyase) which is needed to remove nitrogen from the body so a lack of the enzyme leads to a build-up of ammonia in the blood....more »
    193. Arginninosuccinic acid synthetase deficiency
    194. Arima syndrome
     A rare disorder characterized mainly by eye and brain abnormalities....more »
    195. Arizona Bark Scorpion poisoning
     A bite from the Arizona Bark scorpion contains chemicals toxic to the nerve system and can cause serious, life-threatening symptoms....more »
    196. Arnold-Chiari Malformation (Type 1)
     A rare malformation where the base of the brain enters into the upper spinal canal....more »
    197. Arnold-Chiari Syndrome
     Malformation of the brain which leads to herniation of the cerebellar tonsils and the medulla into the foramen magnum....more »
    198. Arnold-Chiari malformation type 2
     A rare malformation where the base of the brain enters into the upper spinal canal. The extent of the deformity is greater in type 2 than type 1 and hence the symptoms are more severe and are often associated with a myelomeningocele (opening of the spine ...more »
    199. Arnold-Chiari malformation type 3
     An extremely rare malformation where the base of the brain enters into the upper spinal canal. Type 3 involves the herniation of brain or brain stem tissue out of the back of the neck or head. The condition generally has a poor prognosis....more »
    200. Arnold-Chiari malformation type 4
     Arnold-Chiari malformation is a rare malformation where the base of the brain enters into the upper spinal canal. Type 4 actually involves a lack of development of a portion of the base of the brain (cerebellum). The prognosis is very poor with death ofte...more »
    201. 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 »
    202. Arteriovenous Malformation
     Birth defect of a tangle of veins and arteries....more »
    203. Arteriovenous fistula
     Connection between artery and vein....more »
    204. Arthrogryposis -- epileptic seizures -- migrational brain disorder
     A rare disorder characterized by congenital joint contractures, epileptic seizures and brain development abnormalities. It can be caused by fetal exposure to alcohol or chemical products....more »
    205. Arthrogryposis, congenital -- myopathic seizures
     A rare syndrome characterized by mental retardation and muscle problems....more »
    206. Aspartylglucosaminidase deficiency
     A rare glycoprotein metabolism disorder caused by a deficiency of an enzyme called aspartylglucosaminidase. Patients tend to develop normally during the first few years of life and development continues slowly until adolescence when mental retardation bec...more »
    207. Aspartylglycosaminuria
     A rare glycoprotein metabolism disorder caused by a deficiency of an enzyme called aspartylglucosaminidase. Patients tend to develop normally during the first few years of life and development continues slowly until adolescence when mental retardation bec...more »
    208. Asphyxia
     Inability to breath and suffocation...more »
    209. Asphyxia neonatorum
     A condition where a newborn infant fails to start breathing on its own in the minutes following birth....more »
    210. Astrocytoma
     A malignant tumour of the nervous system composed of astrocytes....more »
    211. Ataxia -- apraxia -- mental retardation, X-linked
     A rare X-linked syndrome characterized mainly by ataxia, apraxia and mental retardation. The symptoms are generally nonprogressive....more »
    212. Ataxia -- hypogonadism -- choroidal dystrophy
     A very rare disorder characterized by spinocerebellar ataxia, eye abnormalities and a failure of the pituitary to stimulate gonadal development during puberty....more »
    213. Ataxia Telangiectasia
     A rare inherited childhood disorder involving progressive degeneration of the nervous system....more »
    214. Ataxia, episodic -- vertigo -- tinnitus -- myokymia
     A rare genetic disorder characterized by episodes of incoordination and unsteadiness as well as tinnitus and vertigo. Stress, exhaustion, sudden movements and exertion may trigger the episodes. It is caused by a defect on chromosome 1q42....more »
    215. Ataxia, spastic, 3, autosomal recessive
     A recessively inherited disorder characterized mainly by spasticity and ataxia....more »
    216. Athabaskan brainstem dysgenesis
     A rare neurological disorder caused by abnormal brainstem development and function....more »
    217. Athabaskan severe combined immunodeficiency
     A severe immunodeficiency disorder found in Navajo and Apache populations....more »
    218. Atherosclerosis
     Atherosclerosis is a syndrome affecting arterial blood vessels. It is a chronic inflammatory response in the walls of arteries, in large part due to the accumulation of macrophage white blood cells and promoted by low density (especially small particle) l...more »
    219. Atherosclerosis, premature -- deafness -- diabetes mellitus -- photomyoclonus -- nephropathy -- degenerative neurologic disease
     A rare syndrome characterized mainly by deafness, diabetes, epilepsy, kidney disease and premature hardening of the arteries....more »
    220. Atherosclerosis- deafness -- diabetes -- epilepsy -- nephropathy
     A rare syndrome characterized mainly by deafness, diabetes, epilepsy, kidney disease and premature hardening of the arteries....more »
    221. Atkin-Flatiz syndrome
     A rare, X-linked syndrome characterized mainly by mental retardation and facial anomalies....more »
    222. Atlantic mussel food poisoning
     Atlantic mussels contain a toxin called domoic acid which can affect nerve tissue. The mussels are found in the North Atlantic and Pacific coast and the Gulf of Mexico....more »
    223. Atrial Fibrillation
     Common heart arrythmia with rapid beating in upper chambers...more »
    224. Atrial Septal Defect 3
     A rare heart malformation involving the presence of an abnormal opening between the two atrial chambers of the heart which allows abnormal mixing of oxygenated and deoxygenated blood. The severity of the symptoms depends on the size and location of the de...more »
    225. Atrial Septal Defect 4
     A rare heart malformation involving the presence of an abnormal opening between the two atrial chambers of the heart which allows abnormal mixing of oxygenated and deoxygenated blood. The severity of the symptoms depends on the size and location of the de...more »
    226. Atrial Septal Defect 5
     A rare heart malformation involving the presence of an abnormal opening between the two atrial chambers of the heart which allows abnormal mixing of oxygenated and deoxygenated blood. The severity of the symptoms depends on the size and location of the de...more »
    227. Atrial Septal Defect 6
     A rare heart malformation involving the presence of an abnormal opening between the two atrial chambers of the heart which allows abnormal mixing of oxygenated and deoxygenated blood. The severity of the symptoms depends on the size and location of the de...more »
    228. Atypical hemolytic uremic syndrome
     A rare condition characterized by hemolytic anemia, thrombocytopenia and kidney failure that has no obvious cause....more »
    229. Atypical pyridoxine-dependent seizures
     A form of epilepsy which responds to anticonvulsant therapy for only a period of time but are able to be managed by pyridoxine supplementation after a few months. Seizures may disappear for a few months even after pyridoxine supplementation is ceased....more »
    230. Ausrian triad
     The association of pneumococcal pneumonia, meningitis and endocarditis....more »
    231. Autoimmune Diseases of the Nervous System
     A group of diseases where the body's immune system attacks it's own nervous system. Examples includes opsoclonus myoclonus syndrome, Guillain-Barre syndrome and multiple sclerosis. Symptoms vary depending on which nerves are involved....more »
    232. Autoimmune Hepatitis
     Liver inflammation caused due to autoimmune processes where the body's immune system attacks the liver....more »
    233. Autoimmune Inner Ear disease
     A rare disorder where the body's own immune system attacks the inner ear....more »
    234. Autoimmune Vasculitis
     A inflammation of the blood vessels caused by an autoimmune reaction...more »
    235. Autoimmune nerve disorders
     Nerve disorders occurring when there is an immune response of the body against its own tissues....more »
    236. Autoimmune thyroid disease associated Celiac Disease
     Patients with autoimmune thyroid disease are more susceptible to developing celiac disease than the average population. Celiac disease is an autoimmune disorder characterized by intolerance to gluten by the small intestine. The type and severity of sympto...more »
    237. 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 »
    238. Autonomic neuropathy
     A disorder of the nervous system concerned with regulation of activity of cardiac muscle, smooth muscle, and glands, usually restricted to the sympathetic and parasympathetic systems...more »
    239. Axial mesodermal dysplasia spectrum
     A variable range of defects that occur during fetal development. The defect occurs at a cellular level and affects the way various parts of the body develop....more »
    240. Azalea poisoning
     Bacillus cereus is a bacterium that can cause food poisoning symptoms such as vomiting and diarrhea. There are two types: Type I causes mainly vomiting and is associated with fried rice whereas type II causes mainly diarrhea and is associated with meats, ...more »
    241. Azarcon-induced lead poisoning
     Azarcon is a lead-containing tetraoxide salt used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Ch...more »
    242. BAER
     A test which tests both the ear and the brain - measures the brains response to certain noises. The test is designed to provide information on neurological function, hearing loss and nervous system anomalies....more »
    243. BANF acoustic neurinoma
     A type of tumor that affects hearing and is associated with a condition called BANF (bilateral acoustic neurofibromatosis). The tumor is benign an occurs in the cells that form the myelin sheath of the vestibulocochlear nerve. The symptoms vary depending ...more »
    244. BBB syndrome, X-linked
     A rare genetic disorder characterized by defects along the midline of the body. The type and severity of symptoms can vary considerably. There are two subtypes of the disorder: type I is inherited in a X-linked manner and type II is inherited in an autoso...more »
    245. BOR-Duane hydrocephalus contiguous gene syndrome
     A very rare syndrome characterized primarily by an eye movement disorder (Duane syndrome), abnormal trapezius muscle (runs from neck to shoulder), hydrocephalus and BOR syndrome (branchio-oto-renal syndrome with branchial, eye and kidney abnormalities)....more »
    246. Ba Bow Sen-induced lead poisoning
     Ba Bow Sen is a folk remedy used mainly by Chinese people to treat childhood hyperactivity and to alleviate nightmares. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to...more »
    247. Bacteremia
     A condition where there is the presence of bacteria in the blood...more »
    248. Bacterial endocarditis
     Infection and inflammation of the inner layers of the heart, most commonly the valves cause by bacteria....more »
    249. Baker-Vinters syndrome
     A very rare syndrome characterized by premature fusion of skull bones, hydrocephalus and abnormal development of the channel or duct in the middle of the brain that connects the third and fourth ventricles....more »
    250. Balance disorders
     Various disorders impairing the body's sense of balance....more »
    251. 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 »
    252. Bali goli-induced lead poisoning
     Bali goli (flat black bean) is a folk remedy used mainly by Indian and Asian people to treat intestinal problems. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the e...more »
    253. Ballantyne-Runge syndrome
     A pregnancy that goes over the normal gestation term of 42 weeks. The greatest problem with prolonged gestation is the fact that the placenta may shrink and be unable to supply the fetus with sufficient oxygen and nutrients. In extreme cases, the fetus ma...more »
    254. Balloon cell metastatic melanoma
     Balloon cell melanoma, a variant of malignant melanoma, has been reported on rare occasions in animals and is uncommon in man. Such tumours have variable numbers of large, round to polygonal cells with abundant, clear, often vacuolated cytoplasm containin...more »
    255. Balo's concentric sclerosis
     Demyelination of the brain producing a variety of symptoms depending on the area of the brain affected....more »
    256. Balo's concentric sclerosis (rare variant of MS)
     Balo's Concentric Sclerosis is a rare demyelinating disorder characterized pathologically by concentric rings of alternating demyelinated and relatively myelin preserved white matter. The pathogenesis of the concentric lesion may be explained by periodic ...more »
    257. Baltic myoclonic epilepsy
     A rare inherited type of progressive myoclonus epilepsy which tends to cause symptoms during childhood. The involuntary muscle movements tend to occur more frequently and become more severe with increasing age. Symptoms may occur following various stimuli...more »
    258. Baneberry poisoning
     Baneberries are toxic and can cause a skin reaction on contact or various poisoning symptoms....more »
    259. Bannayan-Zonana syndrome
     A rare genetic disorder characterized by macrocephaly, intestinal polyposis, pigmentation of penis and benign tumor-like growths....more »
    260. Baraitser Brett Piesowicz syndrome
     A very rare syndrome characterized by a small head and calcification in the brain....more »
    261. Baraitser-Rodeck-Garner syndrome
     A very rare syndrome characterized primarily by mental retardation, premature fusion of skull bones, kidney anomalies, seizures and facial anomalies....more »
    262. Baraitser-Winter syndrome
     A rare syndrome characterized by a structural eye defect, droopy eyelids and mental retardation....more »
    263. Barbiturate abuse
     Abuse of barbiturate medications...more »
    264. Barotrauma
     Damage to the lungs, ear or sinuses caused by rapid or extreme changes in air pressure....more »
    265. 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 »
    266. 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 »
    267. Basal ganglia calcification, idiopathic 1
     Abnormal calcium deposits in the part of the brain called the basal ganglia. Type 1 results in psychiatric, cognitive or neurological problems associated with the calcification. The symptoms experienced are variable....more »
    268. Basilar artery insufficiency syndrome
     A range of symptoms caused by impaired blood flow through the basilar artery. The symptoms may come and go according to variation in blood flow through the basilar artery. The blood flow may be impaired by such things as thrombosis, narrowed artery and bl...more »
    269. Basilar artery migraine
     Basilar migraine (BM), also known as Bickerstaff syndrome, consists of headache accompanied by dizziness, ataxia, tinnitus, decreased hearing, nausea and vomiting, dysarthria, diplopia, loss of balance, bilateral paresthesias or paresis, altered conscious...more »
    270. Basilar impression primary
     A congenital bone abnormality where the skull and vertebrae meet which can compress some of the brain structures and result in neurological abnormalities. The defect is often associated with other vertebral abnormalities. In severe cases, the cerebrospina...more »
    271. Battaglia Neri syndrome
     A very rare syndrome characterized by mental retardation, small head, epilepsy, coarse facial features and skeletal anomalies. Only two reported cases of this syndrome....more »
    272. Batten-Turner muscular dystrophy
     A benign form of congenital muscular dystrophy involving relatively minor muscle wasting. The condition progresses slowly until adulthood....more »
    273. Beckwith-Wiedemann Syndrome
     A rare genetic disorder characterized by macroglossia, omphalocele, macrosomia and ear creases....more »
    274. Beemer-Ertbruggen syndrome
     A rare lethal syndrome characterized primarily by hydrocephalus, heart malformations, and increased bone density. Only a couple of cases have been reported....more »
    275. Behcet's Disease
     Recurring inflammation of small blood vessels affecting various areas....more »
    276. Benadryl -- Teratogenic Agent
     There is evidence to indicate that exposure to Benadryl 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 »
    277. Benign astrocytoma
     Benign tumors that occur in the brain or spinal cord. Symptoms and severity depends on the location and size of the tumors....more »
    278. Benign familial neonatal-infantile seizures
     A rare dominantly inherited form of seizures that occurs during the first year of life. The seizures tend to occur in clusters. The seizures involved limb twitching, averted head, eye-blinking and lip smacking. No neurological or developmental problems ar...more »
    279. Benson's syndrome
     A rare neurodegenerative disorder characterized mainly by defective visual information processing which affects a person's ability to recognize familiar objects and people....more »
    280. Benzodiazepine abuse
     Abuse of benzodiazepine tranquiliser medications...more »
    281. Berry aneurysm, cirrhosis, pulmonary emphysema, and cerebral calcification
     A very rare syndrome characterized primarily by brain aneurysms, liver cirrhosis, pulmonary emphysema and calcification of the brain (cerebrum)....more »
    282. Besnier-Boeck-Schaumann disease
     A rare disease where inflammatory granular nodules form in various organs....more »
    283. Bessman-Baldwin syndrome
     A rare disorder characterized by degeneration of the brain and the macula of the eye....more »
    284. Beta ketothiolase deficiency
     A rare inherited disease characterized by the bodies inability to metabolise certain amino acids and products of the breakdown of fat. Harmful levels of organic acids build up in the body and cause ketoacidic attacks....more »
    285. Beta-hydroxybutyric aciduria
     A rare disorder of amino acid metabolism where glycine and proline are unable to be metabolized properly due to deficiency of the enzyme called succinic semialdehyde dehydrogenase....more »
    286. Bianchi's syndrome
     Damage to a part of the brain (left parietal lobe) resulting in the loss of ability to read (alexia), comprehend language (sensory aphasia) and inability to carry out previously learned purposeful movements (apraxia). The damage may be caused by such thin...more »
    287. Biemond syndrome type 1
     A rare inherited condition characterized by mental retardation, finger and toe abnormalities, obesity and eye problems....more »
    288. Biemond syndrome type 2
     A rare inherited condition characterized by mental retardation, obesity, polydactyly and underdeveloped genitals....more »
    289. Bilateral Occipital Polymicrogyria
     Polymicrogyria refers to abnormal brain development where the brain has abnormally smooth gyri (convolutions) on the surface of the brain. In bilateral occipital polymicrogyria, the anomaly covers both sides of the brain at the back of the head (occiput)....more »
    290. Bile acid synthesis defect, congenital, 2
     A defect which prevents the body from making bile acid which results in progressive liver disease. The defect is a deficiency of a particular enzyme (cholestasis with delta(4)-3-oxosteroid 5-beta-reductase) needed to make bile acid....more »
    291. Bile acid synthesis defect, congenital, 4
     A defect which prevents the body from making bile acid which results in progressive liver disease....more »
    292. Bile acid synthesis defects
     A defect which prevents the body from making bile acid which results in progressive liver disease....more »
    293. Bile acid synthesis defects, congenital, 1
     A defect which prevents the body from making bile acid which results in progressive liver disease. The defect is a deficiency of a particular enzyme (3-beta-hydroxy-delta-5-C27-steroid oxidoreductase) needed to make bile acid....more »
    294. Bile acid synthesis defects, congenital, 2
     A defect which prevents the body from making bile acid which results in progressive liver disease. The defect is a deficiency of a particular enzyme (cholestasis with delta(4)-3-oxosteroid 5-beta-reductase) needed to make bile acid....more »
    295. Bile acid synthesis defects, congenital, 3
     A defect which prevents the body from making bile acid which results in progressive liver disease. The defect involved a deficiency of 7-alpha-hydroxylase which is an enzyme needed to prevent the accumulation of 27-hydroxycholesterol which is toxic to the...more »
    296. Bile acid synthesis defects, congenital, 4
     A defect which prevents the body from making bile acid which results in progressive liver disease....more »
    297. Bile duct cysts
     The formation of a cyst (dilation or swelling) in the bile duct which can obstruct the flow of bile and result in jaundice....more »
    298. Bile duct paucity in Graft-Versus-Host Disease
     A reduced number of ducts that carry bile through and from the liver (bile duct) that results from graft-versus-host disease....more »
    299. Bile duct paucity in Liver Allograft Rejection
     A reduced number of ducts that carry bile through and from the liver (bile duct) that results from liver allograft rejection....more »
    300. Bile duct paucity, non syndromic form
     A reduced number of ducts that carry bile through and from the liver (bile duct) that is not associated with a syndrome. Paucity of bile ducts is associated with many liver conditions such as biliary cirrhosis and sclerosing cholangitis....more »
    301. Biliary Atresia
     A rare condition that can affect newborns where the bile duct that carries the bile from the liver to the small intestine is blocked or missing....more »
    302. Biliary atresia, intrahepatic, syndromic form
     Congenital obstruction of the passages in the liver that carry bile. The syndromic form is associated with other congenital abnormalities such as heart and visceral defects....more »
    303. Biliary hypoplasia
     An underdeveloped biliary duct system which is involved in transporting bile. The bile ductules may be completely absent or be fewer in number than normal....more »
    304. Biliary tract cancer
     Cancer that develops in the gallbladder or bile ducts....more »
    305. Bing-Neel syndrome
     A rare disorder involving infiltration of the central nervous system by abnormal leukemia-like cells (lymphoplasmocytoid cells) that occur in Waldenström's macroglobulinemia. The abnormality increases blood viscosity which impairs its circulation through ...more »
    306. Binswanger Disease
     Multi-infarct dementia, caused by damage to deep white matter....more »
    307. Binswanger's Disease
     A type of senile dementia characterized by chronic cerebrovascular disease....more »
    308. Bint Al Zahab-induced lead poisoning
     Bint Al Zahab is a folk remedy used by various ethnic groups (e.g. Indians, Saudi Arabians) to treat infant colic and to facilitate the passage of meconium in newborns. This folk remedy has the potential to cause lead poisoning due to its relatively high ...more »
    309. Biotinidase deficiency
     A metabolic disorder where the body lacks the enzyme biotinidase needed to process the vitamin called biotin (vitamin H) into carboxylase enzymes....more »
    310. Biotinidase deficiency, late onset
     A metabolic disorder where the body lacks the enzyme biotinidase needed to process the vitamin called biotin (vitamin H) into carboxylase enzymes. The severity of symptoms may vary depending on the degree of deficiency. Severe cases can result in metaboli...more »
    311. 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 »
    312. 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 »
    313. Blastocystis hominis
     Common parasitic condition often causing digestive symptoms....more »
    314. Blastoma
     A type of tumor that originates from precursor cells or blasts (immature or embryonic tissue). The symptoms can vary greatly and are determined by the part of the body that is affected. Blastomas can occur in parts of the body such as the brain, liver, ki...more »
    315. Blastomycosis
     A fungal infection caused by Blastomyces dermatitidis and resulting in lung, skin, bone and genitourinary involvement....more »
    316. Bobble-head doll syndrome
     A rare condition where a child's head bobs up and down continuously due to either fluid on the brain or a large cyst in the third ventricle of the brain....more »
    317. Body packer syndrome
     Consuming packages of drugs for the purpose of concealing them for transportation....more »
    318. Body skin hyperlaxity due to vitamin K-dependent coagulation factor deficiency
     A rare inherited connective tissue disorder caused by a deficiency of a blood coagulation factor....more »
    319. Bokhoor-induced lead poisoning
     Bokhoor is a traditional used mainly by Saudi Arabian people to calm infants - it involves burning wood and lead sulphide and inhaling the fumes that are produced. This practice has the potential to cause lead poisoning due to the relatively high exposure...more »
    320. 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 »
    321. Bone marrow failure -- neurologic abnormalities
     A rare syndrome characterized by the association of bone marrow failure and neurological abnormalities....more »
    322. Bonnemann-Meinecke-Reich syndrome
     A rare disorder characterized mainly by growth problems, vision problems and brain disease....more »
    323. Borjeson Syndrome
     A rare genetic disorder characterized by severe mental deficiency, large ears, hypogonadism and other abnormalities....more »
    324. Borjeson-Forssman-Lehmann Syndrome
     A rare genetic disorder characterized by severe mental deficiency, large ears, hypogonadism and other abnormalities....more »
    325. Bornholm disease
     Contagious viral infection...more »
    326. Borreliosis
     An infectious bacterial disorder that is transmitted by ticks and causes skin rashes joint swelling and other symptoms similar to the flu....more »
    327. Botulism food poisoning
     Extremely dangerous food poisoning requiring medical attention, but not always recognized because of its non-abdominal symptoms....more »
    328. Boudhina-Yedes-Khiari syndrome
     A very rare syndrome characterized primarily by short stature, small head, mental deficiency, seizures, hearing loss and skin lesions....more »
    329. Bovine spongiform encephalopathy
     This is a medical condition caused by the transmission of an infective prion causing an encephalopathy...more »
    330. Brachydactyly nystagmus cerebellar ataxia
     A very rare syndrome characterized mainly by short digits, nystagmus and cerebellar ataxia....more »
    331. Braddock Jones Superneau syndrome
     A very rare disorder characterized primarily by the premature fusion of skull bones (sagittal), the Dandy-Walker malformation and a buildup of fluid in the brain (hydrocephalus). The Dandy-Walker malformation is where a cyst develops in the back of the br...more »
    332. Brain -- bone -- fat
     A rare inherited disease characterized by bone cysts and progressive presenile dementia....more »
    333. Brain Stem Glioma
     Tumor of the brain stem consisting of neuroglia of many stages of development....more »
    334. Brain Stem Neoplasms
     A brain stem tumor. The tumor may be malignant or benign and the severity of the condition is determined by the size of the tumor and exact location....more »
    335. Brain compression
     Internal compression of the brain...more »
    336. Brain damage
     Damage to the brain from various causes...more »
    337. Brain infection
     Infection of the brain including encephalitis...more »
    338. Brain malformation -- congenital heart disease -- postaxial polydactyly
     A very rare syndrome characterized mainly by a brain defect, congenital heart disease and extra fingers....more »
    339. Brain stem lesions
     Diseases of the brain stem can result to abnormalities in the function of cranial nerves which may lead to visual disturbances, pupil abnormalities, changes in sensation, muscle weakness, hearing problems, vertigo, swallowing and speech difficulty, voice ...more »
    340. Brain tumor, adult
     A growth or tumor that develops in the tissues of the brain in adults. The tumor can be benign or malignant....more »
    341. Brainerd diarrhea
     Diarrheal condition of unknown cause....more »
    342. Branchio-skeleto-genital syndrome
     A rare inherited disorder characterized by mental retardation, jaw anomalies, cleft palate, sunken chest and other abnormalities....more »
    343. Broken neck
     Fracture of the bone or bones in the cervical spine....more »
    344. Bromocriptine -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Bromocriptine 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 »
    345. Bronchogenic carcinoma
     When cells of the lung start growing rapidly in an uncontrolled manner, the condition is called lung cancer ....more »
    346. Bronchopulmonary dysplasia
     A rare form of infant lung disease that usually occurs as a complication of ventilator use in premature babies....more »
    347. Brown snake poisoning
     The Brown snake is a poisonous Australian snake. They are considered one of the most venomous snakes in the world and their bite can result in death without prompt medical attention. The snake venom contains toxins which affect the blood and nerve systems...more »
    348. Brown-Symmers disease
     A rare form of brain inflammation that occurs in children and can quickly lead to death. Symptoms usually start suddenly....more »
    349. Brucellosis
     An infectious disease caused by the Brucella genus which is transmitted from animals to humans....more »
    350. 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 »
    351. Brugada Syndrome
     A rare genetic disorder characterized by heart rhythm abnormalities which can result in sudden death if untreated. The condition may be inherited in some cases. The mean age of sudden death is 40 years of age....more »
    352. Budesonide -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Budesonide during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of e...more »
    353. Bufotenine poisoning
     The skin glands of certain toads (Cane toad and Colorado river toad) contain a poison called bufotoxin....more »
    354. Bulimia nervosa
     Eating disorder with binging (overeating) and purging (vomiting)....more »
    355. Burkholderia pseudomallei
     Gram negative, aerobic, motile rod shaped bacterium....more »
    356. Busulfan toxicity syndrome
     Symptoms caused by the use of a chemotherapy drug called Busulfan....more »
    357. CACH syndrome
     A rare syndrome characterized mainly by childhood ataxia and reduced myelination of the cerebral nerves. Motor and mental development in the first few years of life is normal with progressive neurodegeneration occurring between 2 and 5 years of age. Fever...more »
    358. CAMFAK syndrome
     A rare syndrome characterized by cataracts, small head, failure to thrive and spinal curvature....more »
    359. CDG syndrome (generic term)
     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. The main symptom in all the disorders is psychomotor ...more »
    360. CDG syndrome type 1A
     A very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 1A involves a phosphomannomutase enzyme defect and affects most body systems especially the nervou...more »
    361. CDG syndrome type 3
     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 3 has variable symptoms....more »
    362. CDG syndrome type I
     A rare genetic disorder where the body is unable to synthesize glycoproteins which results in multisystem problems....more »
    363. CFS subtype 7 (pain, infectious, musculoskeletal, sleep, neurological, gastrointestinal, neurocognitive, anxiety/depression)
     Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of...more »
    364. CMV antenatal infection
     A rare condition where a fetus becomes infected with the cytomegalovirus through the mother....more »
    365. Cadasil
     A rare inherited condition which affects the small blood vessels of the brain. Damage to the vessels causes strokes and other problems....more »
    366. Calcification of basal ganglia with or without hypocalcemia
     Calcification of a part of the brain called the basal ganglia. That calcification may be associated with conditions such as hypothyroidism, cytomegalovirus, and AIDS or may occur for no apparent reason. The severity of the condition may vary greatly from ...more »
    367. 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 »
    368. Campomelic dwarfism
     A rare genetic disorder characterized by bowed tibia, underdeveloped shoulder blades and a flat face....more »
    369. Campomelic dysplasia
     A rare genetic disorder characterized by bowed tibia, underdeveloped shoulder blades and a flat face....more »
    370. Camptomelic dysplasia I
     A rare condition characterized by dwarfism due to bowed shin and thigh bones....more »
    371. Camptomelic dysplasia II
     A rare condition characterized by dwarfism due to bowed shin and thigh bones which tend to be shorter and wider than normal....more »
    372. 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 »
    373. Campylobacter food poisoning
     Common bacterial infection usually from chicken....more »
    374. Campylobacter jejuni
     Rod shaped bacteria causing diarrhea....more »
    375. 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 »
    376. Canavan leukodystrophy
     A rare inherited disorder where a chemical imbalance in the brain leads to spongy degeneration of the central nervous system which results in progressive mental deterioration and associated symptoms....more »
    377. Capnocytophaga
     A bacterial infection caused by Capnocytophaga canimorsus which is often found in normal healthy cats and dogs. The infections tends to occur mainly in immunocompromised patients, alcoholics or patients who have chronic respiratory disease or have had the...more »
    378. Carbamoyl-phosphate synthase 1 deficiency
     A very rare inherited urea cycle disorder where the lack of the enzyme carbamoyl phosphate synthetase prevents ammonia from being turned into urea and being excreted in the urine. Excess ammonia builds up in the body which can cause serious complications ...more »
    379. Carbon Monoxide -- Teratogenic Agent
     There is strong evidence to indicate that exposure to Carbon Monoxide 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 »
    380. Cardioencephalomyopathy fatal infantile due to cytochrome c oxidase deficiency
     A very rare inherited metabolic disorder where the body doesn't have enough of an enzyme called cytochrome C oxidase (COX) which is needed in the process of energy production by body cells. The fatal infant type generally affects the hear, brain and kidne...more »
    381. Cardiofaciocutaneous Syndrome
     A rare genetic disorder characterized by short stature, congenital heart defects skin anomalies and frontal bossing....more »
    382. Cardiovirus
     A viral disease caused by a virus from the Picornaviridae famiy. Any vertebrate can become infected though humans rarely are....more »
    383. Carnitine Deficiency Syndromes
     Syndromes associated with the deficiency of carnitine....more »
    384. Carnitine Palmitoyl Transferase I Deficiency
     A very rare inherited deficiency of a particular enzyme (Carnitine palmitoyl transferase 1) prevents fatty acids being transported to the part of the cell that converts it to energy....more »
    385. Carnitine Palmitoyl Transferase II Deficiency
     A very rare inherited deficiency of a particular enzyme (Carnitine palmitoyl transferase 1) prevents fatty acids being transported to the part of the cell that converts it to energy. There are two main subtypes of the disorder with each involving a slight...more »
    386. Carnitine palmitoyl transferase 1 deficiency
     A very rare inherited deficiency of a particular enzyme (Carnitine palmitoyl transferase I) prevents fatty acids being transported to the part of the cell that converts it to energy....more »
    387. Carnitine palmitoyl transferase 2 deficiency
     A very rare inherited deficiency of a particular enzyme (Carnitine palmitoyl transferase) which prevents fatty acids being transported to the part of the cell that converts it to energy. There are two main subtypes of the disorder with each involving a sl...more »
    388. Carnitine palmitoyl transferase II deficiency, infantile hepatocardiomuscular type
     A very rare metabolic disorder where deficiency of a particular enzyme (CPT II) prevents muscle fats being converted to energy. The infantile form of this disease affects the muscles and the liver and heart....more »
    389. Carnitine palmitoyl transferase II deficiency, lethal neonatal form
     A very rare metabolic disorder where deficiency of a particular enzyme (CPT II) prevents muscle fats being converted to energy. The lethal neonatal form affects various organs as well as the muscles and death usually occurs during the first year of life....more »
    390. Carnitine palmitoyl transferase deficiency
     A very rare inherited deficiency of a particular enzyme (Carnitine palmitoyl transferase) which prevents fatty acids being transported to the part of the cell that converts it to energy. There are two main subtypes of the disorder with each involving a sl...more »
    391. Carnitine transporter deficiency
     An inherited deficiency of carnitine caused by the impaired ability of the carnitine transporter protein to carry the carnitine to where it is needed. Instead the carnitine is excreted through the urine. Fasting or illness can trigger a severe attack....more »
    392. Carnitine-acylcarnitine translocase deficiency
     A very rare inherited metabolic disorder where long-chain fatty acids can't be metabolized properly because the compound needed to transport it is faulty. Ultimately this prevents certain fats (long-chain acylcarnitine) being converted to energy and resul...more »
    393. Carnosinase deficiency
     A very rare inherited metabolic disorder characterized by severe neurological abnormalities such as mental retardation and myoclonic seizures....more »
    394. Casanthranol -- Teratogenic Agent
     There is evidence to indicate that exposure to Casanthranol (a laxative) 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 »
    395. Cat Eye Syndrome
     A rare chromosomal disorder involving abnormalities of chromosome 22 and characterized by coloboma of the iris, down-slanting palpebral fissures and anal atresia....more »
    396. 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 »
    397. 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 »
    398. 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 »
    399. Cavernous hemangioma
     A harmless proliferation of blood vessels which form a tumor-like mass of blood filled spaces which can occur anywhere in the body and is present at birth or develops soon after. It occurs in deeper layers of the skin as opposed to the top skin layers and...more »
    400. Cebagin-induced lead poisoning
     Cebagin is a folk remedy used mainly by Middle Eastern people to treat teething. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk r...more »
    401. Celiac Disease
     Digestive intolerance to gluten in the diet....more »
    402. Celiac disease -- epilepsy -- occipital calcifications
     A rare syndrome characterized by celiac disease and epilepsy with brain calcifications....more »
    403. Celiac disease, susceptibility to 1
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 6p21.3. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small int...more »
    404. Celiac disease, susceptibility to 10
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 3q25-q26. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small i...more »
    405. Celiac disease, susceptibility to 11
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 3q28. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intes...more »
    406. Celiac disease, susceptibility to 12
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 6q25.3. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small int...more »
    407. Celiac disease, susceptibility to 13
     The susceptibility to developing celiac disease due to a genetic defect in the SH2B3 gene on chromosome 12q24. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation...more »
    408. Celiac disease, susceptibility to 2
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 5q31-q33. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small i...more »
    409. Celiac disease, susceptibility to 3
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 2q33. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intes...more »
    410. Celiac disease, susceptibility to 4
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 19p13.1. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small in...more »
    411. Celiac disease, susceptibility to 5
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 15q11-q13. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small ...more »
    412. Celiac disease, susceptibility to 6
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 4q27. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intes...more »
    413. Celiac disease, susceptibility to 7
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 1q31. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intes...more »
    414. Celiac disease, susceptibility to 8
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 2q11-q12. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small i...more »
    415. Celiac disease, susceptibility to 9
     The susceptibility to developing celiac disease due to a genetic defect on chromosome 3p21. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intes...more »
    416. Cellulitis
     Inflammation of skin or subcutaneous tissues....more »
    417. Cennamo-Gangemi syndrome
     A rare syndrome characterized by small eyes, congenital cataracts and hydrocephalus (buildup of fluid in the brain)....more »
    418. Central nervous system infections
    419. Central nervous system oxygen toxicity
     High oxygen levels which affects the central nervous system. The condition can occur during deep dives with fatal consequences....more »
    420. 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 »
    421. Cephalic disorders
     Various congenital brain defects...more »
    422. Cerebellar Ataxia, Deafness and Narcolepsy
     A rare condition characterized by the association of narcolepsy, deafness and cerebellar ataxia. Narcolepsy is a sleep disorder where characterized by the classic tetrad of excessive daytime sleepiness, cataplexy, hypnagogic hallucinations and sleep paral...more »
    423. 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 »
    424. Cerebellar ataxia -- areflexia -- pes cavus -- optic atrophy -- sensorineural hearing loss
     A rare syndrome characterized mainly by ataxia, absent reflexes, high foot arch (pes cavus), progressive optic nerve degeneration and hearing impairment. The ataxic symptoms tended to occur early in life after an illness involving fevers. The ataxia then ...more »
    425. Cerebellar ataxia -- ectodermal dysplasia
     A rare syndrome characterized by balance and coordination problems and teeth and hair abnormalities....more »
    426. Cerebellar ataxia -- intellectual deficit -- optic atrophy -- skin abnormalities
     A rare syndrome characterized by ataxia, mental retardation, optic atrophy and skin abnormalities....more »
    427. Cerebellar ataxia, areflexia, pes cavus, optic atrophy and sensorinural hearing loss
     A rare syndrome characterized mainly by ataxia, absent reflexes, high foot arch (pes cavus), progressive optic nerve degeneration and hearing impairment. The ataxic symptoms tended to occur early in life after an illness involving fevers. The ataxia then ...more »
    428. Cerebellar ataxia, autosomal recessive
     A group of rare, recessively inherited neurological disorders caused by abnormalities in the cerebellum and spinal cord. In some cases other parts of the body may be affected....more »
    429. Cerebellar ataxia, infantile with progressive external ophthalmoplegia
     A rare disorder characterized by cerebellar ataxia during infancy and progressive paralysis of eye muscles....more »
    430. Cerebellar atrophy with progressive microcephaly
     A very rare disorder characterized mainly by a small brain, small head, underdeveloped brain, brain degeneration, contractures, eye problems and seizures....more »
    431. Cerebellar degeneration
     Degeneration of nerves in the part of the brain called the cerebellum which controls balance and muscle coordination....more »
    432. Cerebellar hypoplasia
     A rare brain disorder where a part of the brain (cerebellum) fails to develop fully. The cerebellum is the part of the brain that controls balance and movement....more »
    433. Cerebellar hypoplasia -- endosteal sclerosis
     A rare disorder character where a part of the brain (cerebellum) is underdeveloped and abnormally increased bone density (endosteal sclerosis)....more »
    434. Cerebellar hypoplasia -- tapetoretinal degeneration
     A rare disorder character where a part of the brain (cerebellum) is underdeveloped and a nonprogressive eye disorder involving the retinal pigments. The cerebellum is the part of the brain that controls balance and movement....more »
    435. Cerebellum agenesis -- hydrocephaly
     A rare brain disorder which manifests as reduced muscle tone, ataxia, cataracts and mental retardation....more »
    436. Cerebral Amyloid Angiopathy, Familial
     A rare disorder where abnormal deposits of amyloid in the brain blood vessels causes spasticity, incoordination and dementia. Brain hemorrhage and strokes may also result in severe cases....more »
    437. Cerebral Aneurysm
     Dangerous swelling of a brain blood vessel that may rupture....more »
    438. Cerebral Arteriosclerosis
     Hardening or blockage of arteries in the brain....more »
    439. Cerebral Autosomal Recessive Arteriopathy with Subcortical Infarcts and Leukoencephalopathy
     A rare inherited condition characterized primarily by progressive degeneration of the brain white matter and disease of the brain blood vessels as well as additional symptoms not involving the brain e.g. thin skin, alopecia and spinal disc disease....more »
    440. Cerebral Palsy
     Any brain disorder causing movement disability...more »
    441. Cerebral Palsy, Ataxic, Autosomal Recessive
     Ataxic cerebral palsy refers to an injury to the brain that results primarily in low muscle tone and poor coordination of movements. The ataxic autosomal recessive form is an inherited abnormality in the development of the brain which is linked to chromos...more »
    442. 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 »
    443. Cerebral astrocytoma, adult
     A very rare tumor that occurs in adults and develops in brain cells called astrocytes. The part of the brain involved is the cerebrum at the top of the head which controls functions such as reading, writing, thinking, learning, speech, emotion and volunta...more »
    444. Cerebral calcification cerebellar hypoplasia
     A rare fatal condition observed in two sibling and characterized by abnormal calcification in parts of the brain, developmental regression, seizures, blindness and spastic tetraplegia....more »
    445. Cerebral cavernous malformations
     A rare disorder where a group of small abnormal blood vessels in the brain. These blood vessels become enlarged, irregularly shaped and thin walled. They swell when filled with blood and are then often unable to return to their original shape and the thin...more »
    446. Cerebral dysgenesis, neuropathy, ichthyosis, and palmoplantar keratoderma syndrome
     A rare disorder characterized by abnormal brain development, neurological problems, scaly skin and thickened skin on the palms and soles....more »
    447. Cerebral gigantism -- jaw cysts
     A very rare syndrome characterized mainly by abnormal brain development and jaw cysts....more »
    448. Cerebral hemorrhage
     Bleeding in the brain...more »
    449. Cerebral hemorrhage with amyloidosis, hereditary, Dutch type
     An inherited condition characterized mainly by brain hemorrhage and amyloid deposits in the brain blood vessels. The size and location of the hemorrhage determines the severity of symptoms. The condition was first described in a Dutch family....more »
    450. Cerebral malaria
     Infection of the cerebrum cause by protozoa of the genus plasmodium....more »
    451. Cerebral palsy, spastic, diplegic
     Brain damage that involves muscle rigidity that occurs either in both arms or in both legs. The brain damage is often the result of a birth defect or some sort of trauma to the brain....more »
    452. Cerebral sarcoma
     A type of brain tumor that can be inherited in an autosomal dominant manner. The tumor arises from blood vessels in the brain. Symptoms may vary depending on the size and exact location of the tumor....more »
    453. Cerebral ventricle neoplasm
     A tumor that occurs in the fluid-filled spaces of the brain called the ventricles. Symptoms vary depending on the size and exact location of the tumor and whether it is cancerous or not....more »
    454. Cerebro oculo skeleto renal syndrome
     A very rare syndrome characterized mainly by brain, eye, skeletal and kidney abnormalities....more »
    455. Cerebro-facio-thoracic dysplasia
     A very rare syndrome characterized by mental retardation, spinal and rib defects and facial anomalies....more »
    456. Cerebrorenodigital syndrome
     A rare group of syndromes characterized mainly by brain, kidney, finger and toe abnormalities....more »
    457. Cerebrotendinous Xanthomatosus
     A rare syndrome where a genetic mutation results in a metabolic disorders caused by a deficiency of sterol 27-hydroxylase deficiency. The condition causes progressive neurological dysfunction, cataracts and premature atherosclerosis. Deposits of cholester...more »
    458. Cerebrovascular Conditions
     Conditions of the brain's blood vessels including stroke....more »
    459. Ceroid lipofuscinosis, neuronal
     A rare metabolic disorder that affects the nerve cells of the body and is characterized by the deposits of lipopigments (lipofuscin). The 10 different type of the disorder are distinguished by the origin of the genetic defect....more »
    460. Ceroid lipofuscinosis, neuronal 1, infantile
     A rare inherited biochemical disorder involving the progressive accumulation of certain chemicals (lipopigments) in body tissues due to deficiency of an enzyme (palmitoyl-protein thioesterase) needed to process it....more »
    461. Ceroid lipofuscinosis, neuronal 10
     A rare metabolic disorder that affects the nerve cells of the body and is characterized by the deposits of lipopigments (lipofuscin). Type 10 involves a deficiency of cathepsin D and involves an initial period of normal development with neurodegenerative ...more »
    462. Ceroid lipofuscinosis, neuronal 2, late infantile type
     A rare inherited biochemical disorder involving the progressive accumulation of certain chemicals (lipopigments) in body tissues due to deficiency of an enzyme (protease tri-peptidyl-peptidase) needed to process it....more »
    463. Ceroid lipofuscinosis, neuronal 3, Juvenile
     A progressive genetic disorder where defective lipid metabolism that causes blindness, neurological deterioration, dementia leading to total incapication within years and death within 10-15 years....more »
    464. Ceroid lipofuscinosis, neuronal 4
     A rare inherited biochemical disorder involving the progressive accumulation of certain chemicals (lipopigments) in body tissues due to deficiency of an enzyme (palmitoyl-protein thioesterase 1) needed to process it....more »
    465. Ceroid lipofuscinosis, neuronal 5
     A rare metabolic disorder that affects the nerve cells of the body and is characterized by the deposits of lipopigments (lipofuscin). Type 5 is distinguished from other types by the origin of the genetic defect....more »
    466. Ceroid lipofuscinosis, neuronal 6, late infantile
     A rare metabolic disorder that affects the nerve cells of the body and is characterized by the deposits of lipopigments (lipofuscin). Type 6 usually occurs between the ages of 2 to 6 years. Type 6 is distinguished from other types by the origin of the gen...more »
    467. Ceroid lipofuscinosis, neuronal 7
     A rare metabolic disorder that affects the nerve cells of the body and is characterized by the deposits of lipopigments (lipofuscin). Type 7 is distinguished from other types by the origin of the genetic defect....more »
    468. Ceroid lipofuscinosis, neuronal 8
     A rare metabolic disorder that affects the nerve cells of the body and is characterized by the deposits of lipopigments (lipofuscin). Type 8 is distinguished from other types by the origin of the genetic defect....more »
    469. Ceroid lipofuscinosis, neuronal 9
     A rare metabolic disorder that affects the nerve cells of the body and is characterized by the deposits of lipopigments (lipofuscin). Type 9 is distinguished from other types by the origin of the genetic defect....more »
    470. 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 »
    471. Charcot-Marie-Tooth Disorder
     Degeneration of limb muscles....more »
    472. Charcot-Marie-Tooth disease -- deafness
     Charcot-Marie-Tooth disease is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Charcot-Marie-Tooth disease ...more »
    473. Charcot-Marie-Tooth disease, Type 1A
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 1A is inherited as an autosomal dominant patter...more »
    474. Charcot-Marie-Tooth disease, Type 1B
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 1B is inherited as an autosomal dominant patter...more »
    475. Charcot-Marie-Tooth disease, Type 1C
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 1C is inherited as an autosomal dominant patter...more »
    476. Charcot-Marie-Tooth disease, Type 1D
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 1D is caused by a defect of the ERG2 gene on ch...more »
    477. Charcot-Marie-Tooth disease, Type 1E
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 1E involves the usual CMT symptoms as well as d...more »
    478. Charcot-Marie-Tooth disease, Type 1F
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 1F is caused by a defect of a gene in chromosom...more »
    479. Charcot-Marie-Tooth disease, Type 2A
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function....more »
    480. Charcot-Marie-Tooth disease, Type 2AI
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2A1 has an autosomal dominant inheritance and i...more »
    481. Charcot-Marie-Tooth disease, Type 2AII
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2A2 has an autosomal dominant inheritance and i...more »
    482. Charcot-Marie-Tooth disease, Type 2C
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2C has an autosomal dominant inheritance and in...more »
    483. Charcot-Marie-Tooth disease, Type 2D
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2D has an autosomal dominant inheritance and in...more »
    484. Charcot-Marie-Tooth disease, Type 2E
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 2C has an autosomal dominant inheritance and in...more »
    485. Charcot-Marie-Tooth disease, Type 4A
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4A has an autosomal recessive inheritance and i...more »
    486. Charcot-Marie-Tooth disease, Type 4B1
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4B1 has an autosomal recessive inheritance and ...more »
    487. Charcot-Marie-Tooth disease, Type 4C
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4B2 has an autosomal recessive inheritance and ...more »
    488. Charcot-Marie-Tooth disease, Type 4E
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4B2 has an autosomal recessive inheritance and ...more »
    489. Charcot-Marie-Tooth disease, Type 4F
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4F has an autosomal recessive form of inheritan...more »
    490. Charcot-Marie-Tooth disease, Type 4G
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4G has an autosomal recessive form of inheritan...more »
    491. Charcot-Marie-Tooth disease, X-linked, 1
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type X1 is an inherited defect of the X chromosome (...more »
    492. Charcot-Marie-Tooth disease, type 4
     A rare group of demyelinating motor and sensory neuropathies consisting of a number of subtypes. The various subtypes are caused by different genetic defects....more »
    493. Charcot-Marie-Tooth, demyelinating, autosomal recessive
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4 has an autosomal recessive form of inheritanc...more »
    494. Chediak-Higashi Syndrome
     An inherited immune system disorder characterized by reduced pigmentation, recurrent infection and neurological disorders....more »
    495. 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 »
    496. Chemical burn -- airways
     Burns to the airways caused by a chemical - usually through inhalation but can also occur through aspiration if the chemical is swallowed. Symptoms vary depending on the type, quantity and strength of the chemical involved as well as the duration of the e...more »
    497. Chemical burn -- ingestion
     Burns to the mouth and gastrointestinal system caused by swallowing a chemical. Symptoms vary depending on the type, quantity and strength of the chemical involved as well as the duration of the exposure to the chemical and promptness of treatment measure...more »
    498. Chemical burn -- inhalation
     Burns to the airways caused by a chemical through inhalation. Symptoms vary depending on the type, quantity and strength of the chemical involved as well as the duration of the exposure to the chemical and promptness of treatment measures. Immediate medic...more »
    499. Chemical burn -- skin
     Burns to the skin caused by a chemical. Symptoms vary depending on the type, quantity and strength of the chemical involved as well as the duration of the exposure to the chemical and promptness of treatment measures....more »
    500. Chemical poisoning -- 1,1-Dimethylhydrazine
     1,1-Dimethylhydrazine is a chemical used mainly in jet fuel and rocket fuel, plant growth agent, photography and various other industrial uses. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms var...more »
    501. Chemical poisoning -- 1,4-Dioxane
     1,4-Dioxane is a chemical used mainly as a reagent in laboratries and as a solvent in chemical processing. The chemical is readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and the nat...more »
    502. Chemical poisoning -- 1-Propanol
     1-Propanol is a chemical used in various antiseptics, polishes, cleaners, cosmetics and lacquer. The main effects of an overdose of this chemical is depression of the central nervous system. However, some people can suffer an adverse reaction to the chemi...more »
    503. Chemical poisoning -- 2-Methyl-4-Chlorophenoxyacetic Acid
     2-Methyl-4-Chlorophenoxyacetic Acid is a chemical mainly used as a herbicide for field crops and turf. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    504. Chemical poisoning -- 4-Aminopyridine
     4-Aminopyridine is a pesticide used mainly to control bird pests. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposur...more »
    505. Chemical poisoning -- Acetone
     Acetone is a chemical used as a solvent in products such as glues, rubber cement and fingernail polish remover. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    506. Chemical poisoning -- Acetonitrile
     Acetonitrile is a chemical used as a solvent mainly in nail removing agents. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    507. Chemical poisoning -- Acetylsalicylic Acid
     Acetylsalicylic Acid is also known as aspirin and is primarily used to relieve pain, fever and inflammation. Excessive exposure to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involv...more »
    508. Chemical poisoning -- Acrylamide
     Acrylamide is a chemical used mainly in the treatment of waste water, grout agent, paper strengthening agent and adhesive agents. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    509. Chemical poisoning -- Acrylonitrile
     Acrylonitrile is a chemical used mainly in the production of acrylic and modacrylic fibers but also in the production of certain plastics, nylon dyes, drugs and pesticides. Ingestion and other exposures to the chemical can cause various symptoms. The type...more »
    510. Chemical poisoning -- Adiponitrile
     Adiponitrile is a chemical used mainly in the production of hexamethylene diamine which in turn is used mainly to produce nylon. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending o...more »
    511. Chemical poisoning -- Alanycarb
     Alanycarb is a carbamate pesticide used mainly as an insecticide and nematicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature...more »
    512. Chemical poisoning -- Aldicarb
     Aldicarb is a carbamate pesticide used mainly as an insecticide, nematicide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and ...more »
    513. Chemical poisoning -- Aldoxycarb
     Aldoxycarb is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature...more »
    514. Chemical poisoning -- Allethrin
     Allethrin is a chemical used as an insecticide, mainly in households. 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 »
    515. Chemical poisoning -- Allyxycarb
     Allyxycarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposu...more »
    516. Chemical poisoning -- Aluminum
     Aluminum is a chemical used mainly for metallurgical purposes and can be found in packaging, electrical parts, vehicles, cooking utensils, construction materials and building components. The type and severity of symptoms varies depending on the amount of ...more »
    517. Chemical poisoning -- Amidithion
     Amidithion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    518. Chemical poisoning -- Aminocarb
     Aminocarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposur...more »
    519. Chemical poisoning -- Amiton
     Amiton is a chemical once used as an insecticide and acaricide - it is no longer in use due to its nerve toxicity. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and seve...more »
    520. Chemical poisoning -- Amitraz
     Amitraz is a chemical used mainly as a topical parasitic preventative in livestock and fruit trees. It is also used as an insect repellant and a prevention of mite infestation. The chemical is readily absorbed through the skin. The type and severity of sy...more »
    521. Chemical poisoning -- Ammonium Bifluoride
     Ammonium Bifluoride is a chemical used wheel cleaners, herbicides and in the manufacture of magnesium. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    522. Chemical poisoning -- Ammonium Nitrate
     Ammonium Nitrate is a chemical used mainly in explosives, fireworks and fertilizers. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the na...more »
    523. Chemical poisoning -- Ammonium Sulfamate
     Ammonium Sulfamate is a chemical used mainly in herbicides, fertilizers and. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of ...more »
    524. Chemical poisoning -- Aniline
     Aniline is a chemical used mainly in the manufacture of perfumes, varnishes, resins, dyes, paint removers, herbicides, fungicides, explosives, solvents and photographic chemicals. The type and severity of symptoms varies depending on the amount of chemica...more »
    525. Chemical poisoning -- Anticoagulant rodenticide
     Anticoagulant rodenticide is a chemical used to control rodents. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    526. Chemical poisoning -- Antifreeze
     Antifreeze is used in vehicles to prevent freezing or boiling over of the cooling system. The chemicals (methanol, ethylene and propylene glycol) in the antifreeze can cause severe poisoning symptoms if ingested. The type and severity of symptoms varies d...more »
    527. 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 »
    528. Chemical poisoning -- Athyl-Gusathion
     Athyl-Gusathion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    529. Chemical poisoning -- Azinfos-methyl
     Azinfos-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on t...more »
    530. Chemical poisoning -- Azinfosethyl
     Azinfosethyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the...more »
    531. Chemical poisoning -- Azinophos-methyl
     Azinophos-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on...more »
    532. Chemical poisoning -- Azinphos
     Azinphos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amo...more »
    533. Chemical poisoning -- Azinphos-ethyl
     Azinphos-ethyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on t...more »
    534. Chemical poisoning -- Azinphos-methyl
     Azinphos-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    535. Chemical poisoning -- Azinphosmetile
     Azinphosmetile is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on t...more »
    536. Chemical poisoning -- Azothoate
     Azothoate is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    537. Chemical poisoning -- Bendiocarb
     Bendiocarb is a carbamate pesticide used mainly in . Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The chemic...more »
    538. Chemical poisoning -- Benfuracarb
     Benfuracarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the expos...more »
    539. Chemical poisoning -- Benoxafos
     Benoxafos is a chemical pesticide used as an acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical...more »
    540. Chemical poisoning -- Benzene
     Benzene is a chemical used mainly in gasoline fuel and as an industrial solvent. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    541. Chemical poisoning -- Borates
     Borate is a chemical used in a wide variety of products - herbicides, paints, insecticides, rodenticides and various personal products such as skin creams, toothpastes and powders. Ingestion and other exposures to the chemical can cause various symptoms. ...more »
    542. 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 »
    543. Chemical poisoning -- Bromates
     Bromate is a chemical used mainly in perming solution neutralizers and in small amounts as a bread preservative. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of ...more »
    544. Chemical poisoning -- Bromethalin
     Bromethalin is a chemical used mainly in rodenticides. The chemical is toxic to the human nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical ...more »
    545. Chemical poisoning -- Bromophos
     Bromophos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    546. Chemical poisoning -- Bromophos-ethyl
     Bromophos-ethyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    547. Chemical poisoning -- Bufencarb
     Bufencarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposur...more »
    548. Chemical poisoning -- Butacarb
     Butacarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure...more »
    549. Chemical poisoning -- Butocarboxim
     Butocarboxim is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the expo...more »
    550. Chemical poisoning -- Butoxcarboxim
     Butoxcarboxim is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exp...more »
    551. 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 »
    552. Chemical poisoning -- Cadusafos
     Cadusafos is a chemical pesticide used as an insecticide and nematicide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    553. Chemical poisoning -- Carbanolate
     Carbanolate is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the natur...more »
    554. Chemical poisoning -- Carbaryl
     Carbaryl is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature o...more »
    555. 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 »
    556. Chemical poisoning -- Carbofuran
     Carbofuran is a carbamate pesticide used mainly as an insecticide, nematicide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved an...more »
    557. Chemical poisoning -- Carbon Disulfide
     Carbon Disulfide is a chemical used mainly in corrosion inhibitors, cold and nickel plating, photography applications and as a solvent in gums and resins. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of s...more »
    558. Chemical poisoning -- Carbon Tetrachloride
     Carbon tetrachloride is a chemical used mainly in grain fumigants, insecticides and in the production of fluorocarbons. Ingestion and other exposures to the chemical can cause various symptoms. The chemical is readily absorbed through the skin. The type a...more »
    559. Chemical poisoning -- Carbophenothion
     Carbophenothion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    560. Chemical poisoning -- Carbosulfan
     Carbosulfan is a carbamate pesticide used mainly as an insecticide and nematicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the natu...more »
    561. Chemical poisoning -- Chlorate salts
     Chlorate salt is a chemical used mainly in herbicides and in the manufacture of matches and explosives. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical ...more »
    562. Chemical poisoning -- Chlorfenvinphos
     Chlorfenvinphos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    563. Chemical poisoning -- Chloromethane
     Chloromethane is a chemical used mainly in the production of silicones as well as agricultural chemicals, butyl rubber and other products. Ingestion and other exposures to the chemical can cause various symptoms. The chemical is readily absorbed through t...more »
    564. Chemical poisoning -- Chlorophyll
     Chlorophyll is a compound found in green plants. It can be bought as a supplement and excessive ingestion can cause gastrointestinal symptoms but this is considered quite rare. The type and severity of symptoms varies depending on the amount of chemical i...more »
    565. Chemical poisoning -- Chloropyrifos
     Chloropyrifos is a chemical pesticide used as an insecticide, nematicide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies dep...more »
    566. Chemical poisoning -- Chlorpyrifos
     Chlorpyrifos is a chemical used mainly in as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The chemical may be absorbed readily through the skin. The type and severity of symptoms varies depending on the amount ...more »
    567. Chemical poisoning -- Chlorpyrifos methyl
     Chlorpyrifos methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending...more »
    568. Chemical poisoning -- Cloethocarb
     Cloethocarb is a carbamate pesticide used mainly as an insecticide and nematicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the natu...more »
    569. Chemical poisoning -- Coumaphos
     Coumaphos is used as a pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The chemical may be absorbed readily through the skin. The type and severity of symptoms varies depending on the amount of chemical involved and th...more »
    570. Chemical poisoning -- Cresols
     Cresols are a group of chemicals that occur naturally in mammals and various plants. It is also manufactured and used in the production of disinfectants, deodorizers and pesticides. Ingestion and other exposures to the chemical can cause various symptoms....more »
    571. Chemical poisoning -- Cresylic acid
     Cresylic acids are a group of chemicals that are used as solvents and in the manufacture of various products such as deodorants, disinfectants, pesticides, glues, paints, herbicides, pharmaceuticals as well as others. Ingestion and other exposures to the ...more »
    572. Chemical poisoning -- Cyanthoate
     Cyanthoate is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    573. Chemical poisoning -- Decarbofuran
     Decarbofuran is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the expo...more »
    574. Chemical poisoning -- Demeton
     Demeton-S is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    575. Chemical poisoning -- Demeton-O
     Demeton-O is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    576. Chemical poisoning -- Demeton-O-methyl
     Demeton-O-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on...more »
    577. Chemical poisoning -- Demeton-S-methyl
     Demeton-S-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on...more »
    578. Chemical poisoning -- Demeton-S-methylsulphon
     Demeton-S-methylsulphon is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depen...more »
    579. Chemical poisoning -- Demeton-methyl
     Demeton-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on t...more »
    580. Chemical poisoning -- Dialifos
     Dialifos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amo...more »
    581. Chemical poisoning -- Diazinon
     Diazinon is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amo...more »
    582. Chemical poisoning -- Dichlorvos
     Dichlorvos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    583. Chemical poisoning -- Dicresyl
     Dicresyl is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure...more »
    584. Chemical poisoning -- Dicrotophos
     Dicrotophos is a toxic insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    585. Chemical poisoning -- Dimetan
     Dimetan is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    586. Chemical poisoning -- Dimethoate
     Dimethoate is a chemical pesticide used as an insecticide, nematicide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depend...more »
    587. 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 »
    588. Chemical poisoning -- Dimetilan
     Dimetilan is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposur...more »
    589. 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 »
    590. 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 »
    591. Chemical poisoning -- Dioxacarb
     Dioxacarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposur...more »
    592. Chemical poisoning -- Dioxathion
     Dioxathion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    593. Chemical poisoning -- Disulfiram
     Disulfiram is a drug used mainly to manage alcoholism. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    594. Chemical poisoning -- Disulfoton
     Disulfoton is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    595. Chemical poisoning -- EMPC
     EMPC is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. Th...more »
    596. Chemical poisoning -- Endothion
     Endothion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    597. Chemical poisoning -- Ethiofencarb
     Ethiofencarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the expo...more »
    598. Chemical poisoning -- Ethion
     Ethion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amoun...more »
    599. Chemical poisoning -- Ethoate-methyl
     Ethoate-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on t...more »
    600. Chemical poisoning -- Ethoprophos
     Ethoprophos is a chemical pesticide used as an insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chem...more »
    601. Chemical poisoning -- Ethyl-guthion
     Azinphos-ethyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on t...more »
    602. Chemical poisoning -- Ethylene Glycol
     Ethylene Glycol is a chemical used mainly in antifreeze, coolants and as a solvent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nat...more »
    603. Chemical poisoning -- Ethylene Oxide
     Ethylene oxide is a chemical used mainly in detergents, plasticizers, fumigants, inks, cosmetics and brake fluid. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of...more »
    604. Chemical poisoning -- Etrimfos
     Etrimfos is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the na...more »
    605. Chemical poisoning -- Fenchlorphos
     Fenchlorphos is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and th...more »
    606. Chemical poisoning -- Fenethacarb
     Fenethacarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the expos...more »
    607. Chemical poisoning -- Fenitrothion
     Fenitrothion is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and th...more »
    608. Chemical poisoning -- Fenobucarb
     Fenobucarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposu...more »
    609. Chemical poisoning -- Fensulfothion
     Fensulfothion is a chemical pesticide used as an insecticide and nematicide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on t...more »
    610. Chemical poisoning -- Fenthion
     Fenthion is a chemical pesticide used as an insecticide and avicide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amoun...more »
    611. Chemical poisoning -- Fonophos
     Fonophos is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the na...more »
    612. Chemical poisoning -- Formothion
     Formothion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    613. Chemical poisoning -- Furathiocarb
     Furathiocarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the expo...more »
    614. Chemical poisoning -- Glaze
     Glazes are used to put a shiny finish on various surfaces such as pottery. Glazes contain chemicals such as lead and zinc oxide which can cause serious symptoms if sufficient quantities are eaten. The chemicals cause damage to the gastrointestinal lining ...more »
    615. 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 »
    616. Chemical poisoning -- Guthion (ethyl)
     Guthion (ethyl) is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    617. Chemical poisoning -- Hair Dye
     Hair dyes contain chemicals which can cause serious symptoms if ingested. The chemicals in the hair dye can continue to cause damage for weeks after ingestion. Some dyes contain lead or mercury which can cause neurological problems even if low level expos...more »
    618. Chemical poisoning -- Helium
     Helium is a chemical used mainly in helium balloons, neon signs and diving gas. The gas is sometimes misused as an inhalant. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on th...more »
    619. Chemical poisoning -- Heptenophos
     Heptenophos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the ...more »
    620. Chemical poisoning -- High Melting Explosive (HMX)
     High Melting Explosive (HMX) is a chemical used mainly in plastic explosives and rocket fuel propellant. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symp...more »
    621. Chemical poisoning -- Hydrogen Sulfide
     Hydrogen Sulfide is a chemical that can be used in production processes (paper, tanneries, sulfide ores) or it may be a byproduct of certain industries. It is also found naturally in sewers and manure. Ingestion and other exposures to the chemical can cau...more »
    622. Chemical poisoning -- Hyquincarb
     Hyquincarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposu...more »
    623. Chemical poisoning -- Incense
     Drinking liquid incense or inhaling incense fumes can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    624. Chemical poisoning -- Iodofenphos
     Iodofenphos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the ...more »
    625. Chemical poisoning -- Isoprocarb
     Isoprocarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposu...more »
    626. 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 »
    627. Chemical poisoning -- Malathion
     Malathion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    628. Chemical poisoning -- Mecarbam
     Mecarbam is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amo...more »
    629. 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 »
    630. Chemical poisoning -- Methacrifos
     Methacrifos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the ...more »
    631. Chemical poisoning -- Methamidophos
     Methamidophos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on th...more »
    632. Chemical poisoning -- Methidathion
     Methidathion is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and th...more »
    633. Chemical poisoning -- Methiocarb
     Methiocarb is a toxic pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    634. Chemical poisoning -- Methomyl
     Methomyl is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure...more »
    635. Chemical poisoning -- Methylene Chloride
     Methylene Chloride is a chemical used mainly in paint removers, nail polish remover, fumigants and fire extinguishers. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amou...more »
    636. Chemical poisoning -- Metiltriazotion
     Metiltriazotion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    637. Chemical poisoning -- Metolcarb
     Metolcarb is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature ...more »
    638. Chemical poisoning -- Mevinphos
     Mevinphos is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the n...more »
    639. Chemical poisoning -- Mexacarbate
     Mexacarbate is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the expos...more »
    640. Chemical poisoning -- Monocrotophos
     Monocrotophos is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and t...more »
    641. 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 »
    642. Chemical poisoning -- Mouth Wash
     Mouth wash contains various chemicals which can cause serious symptoms if sufficient quantities are swallowed. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    643. Chemical poisoning -- Nitrilacarb
     Nitrilacarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the expos...more »
    644. Chemical poisoning -- Nitrites
     Nitrite is a chemical used in many applications: manufacture of dyes, fabric manufacture, corrosive inhibitors, photography and cyanide antidote kits. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of sympt...more »
    645. Chemical poisoning -- Omethoate
     Omethoate is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    646. Chemical poisoning -- Oxamyl
     Oxamyl is a carbamate pesticide used mainly as an insecticide, acaricie and nematicide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the...more »
    647. Chemical poisoning -- Oxydeprofos
     Oxydeprofos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the ...more »
    648. Chemical poisoning -- Oxydisulfoton
     Oxydisulfoton is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on th...more »
    649. Chemical poisoning -- Parathion
     Parathion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    650. Chemical poisoning -- Parathion Methyl
     Parathion Methyl is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved an...more »
    651. Chemical poisoning -- Phencyclidine
     Phencyclidine is often used as an illegal recreational drug. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    652. Chemical poisoning -- Phenkapton
     Phenkapton is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    653. Chemical poisoning -- Phorate
     Phorate is a chemical pesticide used as an insecticide, nematicide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending...more »
    654. Chemical poisoning -- Phosalone
     Phosalone is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    655. Chemical poisoning -- Phosdrin
     Phosdrin is a toxic pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    656. Chemical poisoning -- Phosmet
     Phosmet is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amou...more »
    657. Chemical poisoning -- Phosphamidon
     Phosphamidon is a chemical pesticide used as an insecticide and nematicide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on th...more »
    658. 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 »
    659. Chemical poisoning -- Phoxim
     Phoxim is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amoun...more »
    660. Chemical poisoning -- Pirimicarb
     Pirimicarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposu...more »
    661. Chemical poisoning -- Pirimiphos-methyl
     Pirimiphos-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending o...more »
    662. Chemical poisoning -- Primiphos methyl
     Primiphos methyl is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved an...more »
    663. Chemical poisoning -- Profenofos
     Profenofos is a toxic pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    664. Chemical poisoning -- Promacyl
     Promacyl is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature o...more »
    665. Chemical poisoning -- Promecarb
     Promecarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposur...more »
    666. Chemical poisoning -- Propane
     Propane is a chemical used mainly in fuels and as a solvent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    667. Chemical poisoning -- Propoxur
     Propoxur is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature o...more »
    668. Chemical poisoning -- Propylene Glycol
     Propylene Glycol is a chemical used mainly in cosmetics and in antifreeze and as a pharmaceutical solvent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemic...more »
    669. Chemical poisoning -- Propylene Glycol Dinitrate
     Propylene Glycol Dinitrate is a chemical used mainly as a propellant or occasionally in explosives. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical invo...more »
    670. Chemical poisoning -- Prothidathion
     Prothidathion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on th...more »
    671. Chemical poisoning -- Prothoate
     Prothoate is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    672. Chemical poisoning -- Pyrethrin
     Pyrethrin is used mainly as an indoor insecticide. Pyrethrin is considered to have a relatively low level of toxicity with large amounts usually required to produce toxicity symptoms. The type and severity of symptoms varies depending on the amount of che...more »
    673. Chemical poisoning -- Pyrimitate
     Pyrimitate is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    674. Chemical poisoning -- Quinalphos
     Quinalphos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    675. Chemical poisoning -- Quintiofos
     Quintiofos is a chemical pesticide used as an acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemica...more »
    676. Chemical poisoning -- Resmethrin
     Resmethrin is an insecticide used mainly inside the home. 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 »
    677. Chemical poisoning -- Selenious Acid
     Selenious Acid is a chemical used mainly in gun bluing agents. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    678. Chemical poisoning -- Sodium Monofluoroacetate
     Sodium Monofluoroacetate is a chemical used mainly as a rodenticides, often to control mammal pests in crops. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of che...more »
    679. Chemical poisoning -- Sophamide
     Sophamide is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    680. Chemical poisoning -- Strychnine
     Strychnine is used as a rodenticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    681. Chemical poisoning -- Sulfotep
     Sulfotep is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amo...more »
    682. Chemical poisoning -- Tazimcarb
     Tazimcarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposur...more »
    683. Chemical poisoning -- Terbufos
     Terbufos is a chemical pesticide used as an insecticide and nematicide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    684. Chemical poisoning -- Tetraethyl Pyrophosphate
     Tetraethyl Pyrophosphate is a toxic pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    685. Chemical poisoning -- Tetramethylammonium Hydroxide
     Tetramethylammonium Hydroxide is a chemical used mainly in the production of a variety of electronic components. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of ...more »
    686. Chemical poisoning -- Tetramethylenedisulfotetramine
     Tetramethylenedisulfotetramine is a chemical used mainly as a rodenticide in China. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nat...more »
    687. Chemical poisoning -- Thallium Sulfate
     Thallium Sulfate is a chemical used mainly in the manufacture of switches and closures in the semiconductor industry. It has historically also been used as a rodenticide. Ingestion and other exposures to the chemical can cause various symptoms. The type a...more »
    688. Chemical poisoning -- Thiocarboxime
     Thiocarboxime is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nat...more »
    689. Chemical poisoning -- Thiodicarb
     Thiodicarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposu...more »
    690. Chemical poisoning -- Thiofanox
     Thiofanox is a carbamate pesticide used mainly as an insecticide and acaricide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature ...more »
    691. Chemical poisoning -- Thiometon
     Thiometon is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    692. Chemical poisoning -- Tolclofos methyl
     Tolclofos methyl is a chemical insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved an...more »
    693. Chemical poisoning -- Toxaphene
     Toxaphene is a chemical used mainly as a livestock insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    694. Chemical poisoning -- Triazophos
     Triazophos is a chemical pesticide used as an insecticide, nematicide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depend...more »
    695. Chemical poisoning -- Triazotion
     Triazotion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    696. Chemical poisoning -- Trichloroethylene
     Trichloroethylene is a chemical used mainly as an industrial solvent and in adhesives, lacquer, fire retardants and house cleaning solvents. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies...more »
    697. Chemical poisoning -- Trifenfos
     Trifenfos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    698. Chemical poisoning -- Trimethacarb
     Trimethacarb is a carbamate pesticide used mainly as an insecticide, bird repellent, molluscicide and mamal repellent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amou...more »
    699. Chemical poisoning -- Tungsten
     Tungsten is an element used mainly in light bulb filaments, X-ray tubes, electrodes, superalloys, heating elements and various other high temperature uses. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of ...more »
    700. 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 »
    701. Chemical poisoning -- Vamidothion
     Vamidothion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the ...more »
    702. Chemical poisoning -- Vinyl Choride
     Vinyl Choride is an intermediate chemical used in the manufacturing process of a variety of products: polyvinyl chloride, pipes, wire coverings, vehicle plastics, rubber, paper, furniture and glass. Ingestion and other exposures to the chemical can cause ...more »
    703. Chemical poisoning -- White Phosphorus
     White Phosphorus is a chemical used mainly in fertilizers, water treatment, rodenticides and insecticides (for cockroaches). Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on th...more »
    704. Chemical poisoning -- Window cleaner
     Window cleaner contains various chemicals (usually alcohols and ammonia) which can cause serious symptoms if sufficient quantities are ingested. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the ex...more »
    705. Chemical poisoning -- XMC
     XMC is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure. The...more »
    706. Chemical poisoning -- Xylylcarb
     Xylylcarb is a carbamate pesticide used mainly as an insecticide. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposur...more »
    707. 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 »
    708. 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 »
    709. Chiari Malformation
     Protrusion of the brain down the spinal column....more »
    710. Chiari-1 Malformation
     A rare malformation where the base of the brain enters into the upper spinal canal....more »
    711. Childbirth
     Delivery of a fetus by a pregnant woman....more »
    712. Childhood-onset cerebral X-linked adrenoleukodystrophy
     A rare genetic disorder characterized by progressive degeneration of the protective sheath around nerves resulting in increasing difficulty. The childhood cerebral form of the condition is the most severe....more »
    713. Chloroquine -- Teratogenic Agent
     There is evidence to indicate that exposure to Chloroquine (an antimalarial 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 »
    714. 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 »
    715. 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 »
    716. Cholangitis
     bile duct inflammation (cholangitis)...more »
    717. 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 »
    718. Cholestasis -- pigmentary retinopathy -- cleft palate
     A rare syndrome characterized by degeneration of retinal pigments, cleft lip, cleft palate, kidney problems and cholestasis (bile flow obstruction)....more »
    719. Cholestasis, progressive familial intrahepatic 1
     A rare inherited condition where bile is unable to drain from the liver where it builds up and causes progressive liver damage....more »
    720. Cholestasis, progressive familial intrahepatic 2
     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 »
    721. 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 »
    722. Cholestyramine -- Teratogenic Agent
     There is evidence to indicate that exposure to Cholestyramine (cholesterol-lowering 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 a...more »
    723. Cholybar -- Teratogenic Agent
     There is evidence to indicate that exposure to Cholybar (cholesterol-lowering 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 »
    724. Choreoacanthocytosis amyotrophic
     A rare inherited disease involving neurological degeneration and abnormal red blood cell shape. The disorder progresses slowly and causes involuntary movements, loss of cognitive ability, behavioral changes and seizures....more »
    725. Choroid Plexus neoplasms
     A rare type of brain tumor that originates in the choroids plexus. The choroids plexus is located inside a space in the brain called the ventricles and produces cerebrospinal fluid. Symptoms are determined by the size, type and exact location of the tumor...more »
    726. Choroido cerebral calcification syndrome infantile form
     A rare syndrome characterized by abnormal calcification in part of the brain and mental retardation....more »
    727. Christmas Rose poisoning
     The Christmas Rose plant contains proteoanemonin which can cause blisters and saponins which can cause irritation. The plant is found mainly in Europe. All parts of the plant are poisonous....more »
    728. Chromosome 1(q12q22) duplication syndrome
     A rare chromosomal disorder involving duplication of the long arm (q12q22) of chromosome 1 which results in various abnormalities....more »
    729. Chromosome 1, 1p36 deletion syndrome
     A rare chromosomal disorder where deletion of a portion of chromosome 1 causes various abnormalities such as heart problems, mental retardation, developmental delay, facial dysmorphism and short stature. The symptoms are variable depending on the exact lo...more »
    730. Chromosome 1, Terminal deletion
     A genetic disorder where a portion of the genetic material from the long arm of chromosome 1 is missing. The symptoms or severity may vary somewhat between patients....more »
    731. Chromosome 1, monosomy 1q4
     A rare chromosomal disorder where deletion of a portion of chromosome 1 causes various abnormalities such as facial dysmorphism, retarded fetal growth, seizures, mental retardation, testicular problems and kidney defects....more »
    732. Chromosome 1, pter-p36
     A very rare chromosomal disorder where the end portion of the short arm of chromosome 1 is missing. The type and severity of symptoms is variable....more »
    733. Chromosome 1, uniparental disomy 1q12 q21
     A rare chromosomal disorder where part or all of the short arm (p) of chromosome 1 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    734. Chromosome 11q duplication syndrome
     A rare chromosomal disorder where there are three copies of the long arm (q) of chromosome 11 rather than the normal two resulting in various abnormalities. The type and severity of symptoms depend on the amount and location of genetic material duplicated...more »
    735. Chromosome 12, 12p trisomy
     A rare chromosomal disorder where there are three copies of the short arm (p) of chromosome 12 rather than the normal two resulting in various abnormalities. The type and severity of symptoms depend on the amount and location of genetic material deleted....more »
    736. Chromosome 12, Isochromosome 12p Mosaic
     A very rare disorder genetic disorder involving abnormalities in chromosome 12. The severity of symptoms is variable and tends to include a wide range of defects and abnormalities....more »
    737. Chromosome 12, trisomy 12q
     A rare chromosomal disorder where there are three copies of the long arm (q) of chromosome 12 rather than the normal two resulting in various abnormalities. In most cases, death occurs during infancy. The type and severity of symptoms varies depending on ...more »
    738. Chromosome 12p deletion
     A rare chromosomal disorder where there is a deletion of the short arm (p) of chromosome 12 resulting in various abnormalities. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is deleted....more »
    739. Chromosome 12p deletion syndrome
     A rare chromosomal disorder where there is a deletion of the short arm (p) of chromosome 12 resulting in various abnormalities....more »
    740. Chromosome 12p duplication syndrome
     A rare chromosomal disorder where there are three copies of the short arm (p) of chromosome 12 rather than the normal two resulting in various abnormalities. The type and severity of symptoms depend on the amount and location of genetic material deleted....more »
    741. Chromosome 12p tetrasomy syndrome
     A rare chromosomal disorder where there are four copies of the short arm (p) of chromosome 12 rather than the normal two resulting in various abnormalities....more »
    742. Chromosome 12q duplication syndrome
     A rare chromosomal disorder where there are three copies of the long arm (q) of chromosome 12 rather than the normal two resulting in various abnormalities. In most cases, death occurs during infancy....more »
    743. Chromosome 13 ring syndrome
     A rare chromosomal disorder where genetic material from one or both ends of chromosome 13 is missing and the two broken ends have rejoined to form a ring. The resulting type and severity of symptoms is determined by the amount and location of genetic mate...more »
    744. Chromosome 13, Partial Monosomy 13q
     A rare chromosomal disorder where the long arm (q) of chromosome 13 is deleted resulting in various physical, neurological and developmental abnormalities. The type and severity of symptoms is determined by the amount and location of the deleted genetic m...more »
    745. Chromosome 13q deletion
     A rare chromosomal disorder where the long arm (q) of chromosome 13 is deleted resulting in various physical, neurological and developmental abnormalities. The type and severity of symptoms is determined by the amount and location of the deleted genetic m...more »
    746. Chromosome 13q-mosaicism
     A very rare chromosomal disorder where a copy of the long arm of chromosome 13 in some of the body's cells. The presence of abnormalities in some cases is dependent on which body cells contain the chromosomal defect....more »
    747. Chromosome 14 Ring
     A rare chromosomal disorder where genetic material from one or both ends of chromosome 14 is missing and the two broken ends have rejoined to form a ring. The resulting type and severity of symptoms is determined by the amount and location of genetic mate...more »
    748. Chromosome 14 deletion
     A rare genetic disorder where deletion genetic material from chromosome 14 causes various abnormalities. The type and severity of symptoms varies depending on the size and location of the genetic material that is deleted....more »
    749. Chromosome 14 uniparental disomy syndrome
     A rare chromosomal disorder where two homologues are obtained from one parent....more »
    750. Chromosome 14q deletion syndrome
     A rare chromosomal disorder involving deletion of genetic material from the long arm (q) of chromosome 14 resulting in various abnormalities....more »
    751. Chromosome 14q, partial deletion
     A rare chromosomal disorder involving deletion of genetic material from the long arm (q) of chromosome 14 resulting in various abnormalities....more »
    752. Chromosome 15 inverted duplication
     A rare chromosomal disorder involving an duplicated section of chromosome 15 which is reversed end-to-end resulting in various abnormalities....more »
    753. Chromosome 15q duplication syndrome
     A rare chromosomal disorder involving an extra copy of genetic material from the long arm of chromosome 15. The type and severity of symptoms are determined by the amount and location of the duplicated genetic material....more »
    754. Chromosome 15q, partial duplication (distal q arm)
     A rare chromosomal disorder involving an extra copy of genetic material from the distal part of the long arm of chromosome 15. The type and severity of symptoms are determined by the amount and location of the duplicated genetic material....more »
    755. Chromosome 15q, partial duplication (unbalanced translocation)
     A rare chromosomal disorder involving an extra copy of genetic material from the long arm of chromosome 15. The type and severity of symptoms are determined by the amount and location of the duplicated genetic material....more »
    756. Chromosome 15q, trisomy
     A rare chromosomal disorder involving an extra copy of genetic material from the long arm of chromosome 15. The type and severity of symptoms are determined by the amount and location of the duplicated genetic material....more »
    757. Chromosome 15q13.3 microdeletion syndrome
     A genetic disorder characterized by the deletion of a small portion of genetic material at the chromosomal location of 15q13.3. A rare syndrome characterized mainly by seizures, mental retardation, and slightly unusual facial features....more »
    758. Chromosome 16q, partial deletion
     A rare chromosomal disorder involving deletion of genetic material from the long arm of chromosome 17. The type and severity of symptoms are determined by the amount and location of the lost genetic material....more »
    759. Chromosome 17 deletion
     A rare genetic disorder where deletion genetic material from chromosome 17 causes various abnormalities. The type and severity of symptoms varies depending on the size and location of the genetic material that is deleted....more »
    760. Chromosome 17 ring
     A rare chromosomal disorder where genetic material from one or both ends of chromosome 17 is missing and the two broken ends have rejoined to form a ring. The resulting type and severity of symptoms is determined by the amount and location of genetic mate...more »
    761. Chromosome 17 trisomy
     A rare genetic disorder where duplication of genetic material from chromosome 17 causes various abnormalities. The type and severity of symptoms varies depending on the size and location of the genetic material that is duplicated....more »
    762. Chromosome 17 trisomy mosaicism
     A rare chromosomal disorder where there are three copies of chromosome 17 in some of the body's cells. The type of symptoms and severity is determined by the number of cells that have the three copies. Some cases have no obvious symptoms....more »
    763. Chromosome 17, deletion 17q23 q24
     A rare chromosomal disorder involving deletion of genetic material from the long arm of chromosome 17. The type and severity of symptoms are determined by the amount and location of the lost genetic material....more »
    764. Chromosome 17p, partial deletion
     A rare chromosomal disorder involving deletion of genetic material from the short arm of chromosome 17. The type and severity of symptoms are determined by the amount and location of the lost genetic material....more »
    765. Chromosome 17p, partial duplication
     A rare chromosomal disorder involving an extra copy of genetic material from the short arm of chromosome 17. The type and severity of symptoms are determined by the amount and location of the duplicated genetic material....more »
    766. Chromosome 18 Ring
     A rare chromosomal disorder where genetic material from one or both ends of chromosome 18 is missing and the two broken ends have rejoined to form a ring. The resulting type and severity of symptoms is determined by the amount and location of genetic mate...more »
    767. Chromosome 18 deletion syndrome
     A rare chromosomal disorder where a portion of chromosome 18 is missing....more »
    768. Chromosome 18q, partial deletion
     A rare chromosomal disorder involving deletion of genetic material from the long arm of chromosome 18. The type and severity of symptoms are determined by the amount and location of the lost genetic material....more »
    769. Chromosome 18q- Syndrome
     A rare chromosomal disorder where a portion of chromosome 18 is missing. The type and severity of symptoms is determined by the amount of genetic material that is missing....more »
    770. Chromosome 19p duplication syndrome
     A rare chromosomal disorder where the short arm of chromosome 19 is duplicated resulting in various abnormalities....more »
    771. Chromosome 1p deletion syndrome
     A rare chromosomal disorder where part or all of the short arm (p) of chromosome 1 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    772. Chromosome 1p duplication syndrome
     A rare chromosomal disorder where a portion of the short arm (p) of chromosome 1 is duplicated so there is three copies of it rather than the normal two....more »
    773. Chromosome 1q deletion
     A rare chromosomal disorder where part of the long arm (q) of chromosome 1 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    774. Chromosome 1q duplication syndrome
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 1 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    775. Chromosome 2, monosomy 2pter p24
     A very rare chromosomal disorder where a portion of chromosome 2 is deleted resulting in a range of birth defects and abnormalities....more »
    776. Chromosome 2, monosomy 2q
     A rare chromosomal disorder where part of the long arm (q) of chromosome 2 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    777. Chromosome 2, monosomy 2q24
     A genetic disorder characterized by the deletion of a portion of the long arm of chromosome 2....more »
    778. Chromosome 2, monosomy 2q37
     A very rare chromosomal disorder where a part of the long arm of chromosome 2 is missing which results in various birth defects and abnormalities. The features of the disorder are determined by the exact size and location of the deletion....more »
    779. Chromosome 2, trisomy 2q
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 2 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    780. Chromosome 20, deletion 20p
     A rare chromosomal disorder where the short arm (p) of chromosome 20 is deleted resulting in various abnormalities. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is deleted....more »
    781. Chromosome 20p deletion syndrome
     A rare chromosomal disorder where the short arm (p) of chromosome 20 is deleted resulting in various abnormalities. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is deleted....more »
    782. Chromosome 21 monosomy
     A rare chromosomal disorder where there is only one copy of chromosome 21 instead of the normal two leading to various abnormalities....more »
    783. Chromosome 22 Ring
     A rare chromosomal disorder where genetic material from one or both ends of chromosome 22 is missing and the two broken ends have rejoined to form a ring. The resulting type and severity of symptoms is determined by the amount and location of genetic mate...more »
    784. Chromosome 22, trisomy
     A very rare disorder where there is an extra copy of chromosome 22 in all the body cells. The condition is usually fatal soon after birth or during the fetal stage....more »
    785. Chromosome 22q deletion
     A rare genetic disorder where a portion of the genetic material from the long arm of chromosome 22 is missing. The symptoms or severity may vary somewhat between patients....more »
    786. Chromosome 22q duplication syndrome
     A rare chromosomal disorder where the long arm of chromosome 22 is duplicated....more »
    787. Chromosome 22q13 deletion
     A very rare chromosomal disorder where a portion of chromosome 22 is missing at the q13 location which results in various abnormalities....more »
    788. Chromosome 22q13.3 deletion syndrome
     A very rare chromosomal disorder where a portion of chromosome 22 is missing at the q13.3 location which results in various abnormalities....more »
    789. Chromosome 2p16.1-p15 Deletion Syndrome
     A rare genetic disorder characterized by a range of manifestations including mental retardation and skull and facial anomalies....more »
    790. Chromosome 2q duplication syndrome
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 2 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    791. Chromosome 3, trisomy 3p
     A rare chromosomal disorder where a portion of the short arm (p) of chromosome 3 is duplicated so there is three copies of it rather than the normal two....more »
    792. Chromosome 3, trisomy 3q
     A rare chromosomal disorder where a portion of the long arm (q) of chromosome 3 is duplicated so there is three copies of it rather than the normal two. The condition is characterized by mental and growth deficiency, broad nose root and excessive hair gro...more »
    793. Chromosome 4 Ring
     A rare chromosomal disorder where the ends of chromosome 4 have been deleted and the two broken ends have rejoined to form a ring shape resulting in a range of symptoms determined by the size and location of the genetic deletion....more »
    794. Chromosome 4 ring syndrome
     A rare chromosomal disorder where the ends of chromosome 4 have been deleted and the two broken ends have rejoined to form a ring shape resulting in a range of symptoms determined by the size and location of the genetic deletion....more »
    795. Chromosome 4 short arm deletion
     A rare chromosomal disorder where part or all of the short arm (p) of chromosome 4 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    796. Chromosome 4, Monosomy 4q
     A rare chromosomal disorder where a portion of the long arm (q) of chromosome 4 is missing resulting in various abnormalities....more »
    797. Chromosome 4, trisomy 4p
     A rare chromosomal disorder where a portion of chromosome four is duplicated so there is three copies of it instead of the normal two....more »
    798. Chromosome 4, trisomy 4q
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 4 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    799. Chromosome 4p deletion syndrome
     A rare chromosomal disorder where part or all of the short arm (p) of chromosome 4 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    800. Chromosome 4q duplication syndrome
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 4 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    801. Chromosome 5, Trisomy 5p
     A rare chromosomal disorder where there are three copies of all or part of the short arm (p) of chromosome 5 rather than the normal two. The type and severity of symptoms is determined by the location and size of the genetic material duplicated....more »
    802. Chromosome 5, trisomy 5pter p13 3
     A rare chromosomal disorder characterized by cortico-adrenal hypoplasia, mental retardation, seizures and a blood abnormality....more »
    803. Chromosome 5, trisomy 5q
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 5 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    804. Chromosome 5p duplication syndrome
     A rare chromosomal disorder where there are three copies of all or part of the short arm (p) of chromosome 5 rather than the normal two. The type and severity of symptoms is determined by the location and size of the genetic material duplicated....more »
    805. Chromosome 5q duplication syndrome
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 5 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    806. Chromosome 6, monosomy 6q
     A rare chromosomal disorder where a part of the long arm (q) of chromosome 6 is deleted resulting in various abnormalities depending on the location and length of missing genetic material....more »
    807. Chromosome 6, trisomy 6p
     A very rare chromosomal disorder where a part of the short arm (p) of chromosome 6 is duplicated resulting in various abnormalities depending on the location and length of missing genetic material....more »
    808. Chromosome 6, trisomy 6q
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 6 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    809. Chromosome 6p deletion syndrome
     A rare chromosomal disorder where part or all of the short arm (p) of chromosome 6 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    810. Chromosome 6q deletion syndrome
     A rare chromosomal disorder where a part of the long arm (q) of chromosome 6 is deleted resulting in various abnormalities depending on the location and length of missing genetic material....more »
    811. Chromosome 6q duplication syndrome
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 6 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    812. Chromosome 7 ring syndrome
     A rare chromosomal disorder where the ends of chromosome 7 have been deleted and the two broken ends have rejoined to form a ring shape resulting in a range of symptoms determined by the size of the genetic deletion....more »
    813. Chromosome 7, monosomy 7q3
     A very rare chromosomal disorder involving a deletion of material from chromosome 7 at a location known as q3 which results in a wide range of abnormalities....more »
    814. Chromosome 7, trisomy 7q
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 7 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    815. Chromosome 7q duplication syndrome
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 7 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    816. Chromosome 8 recombinant syndrome
     A rare recombinant chromosomal disorder involving chromosome 8 which results in various abnormalities....more »
    817. Chromosome 8, monosomy 8p
     A rare chromosomal disorder involving deletion of genetic material from the short arm (p) of chromosome 8 resulting in various abnormalities. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that ...more »
    818. Chromosome 8, monosomy 8q
     A rare chromosomal disorder involving deletion of the long arm (q) of chromosome 8 resulting in various abnormalities. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is deleted....more »
    819. Chromosome 8, trisomy 8q
     A rare chromosomal disorder where the long arm (q) of chromosome 8 is duplicated resulting in variable abnormalities depending on the location and length of genetic material deleted....more »
    820. Chromosome 8p duplication syndrome
     A rare chromosomal disorder where the short arm (p) of chromosome 8 is duplicated resulting in three copies instead of two. The type and severity of symptoms depends on the location and length of genetic material duplicated....more »
    821. Chromosome 8q duplication syndrome
     A rare chromosomal disorder where the long arm (q) of chromosome 8 is duplicated resulting in variable abnormalities depending on the location and length of genetic material deleted....more »
    822. Chromosome 9, Partial Monosomy 9p
     A rare chromosomal disorder where a portion of the short arm (p) of chromosome 9 is missing resulting in various abnormalities. The type and severity of symptoms is determined by the amount of genetic material that is missing....more »
    823. Chromosome 9, Tetrasomy 9p
     A rare chromosomal disorder where there is four copies of the short arm of chromosome 9 instead of the normal two resulting in various abnormalities....more »
    824. Chromosome 9, Trisomy 9p (Multiple Variants)
     A rare chromosomal disorder characterized by mental retardation, head and face malformations and various other abnormalities....more »
    825. Chromosome 9, monosomy 9p
     A rare chromosomal disorder where a portion of the short arm (p) of chromosome 9 is missing resulting in various abnormalities....more »
    826. Chromosome 9, trisomy 9p
     A rare chromosomal disorder where a portion of the short arm (p) of chromosome 9 is duplicated so there is three copies of it instead of the normal two....more »
    827. Chromosome 9, trisomy 9q
     A very rare genetic disorder where a portion of the genetic material on the long arm (q) of chromosome 9 is duplicated which results in various abnormalities. The type and severity of symptoms varies depending on the size and location of the genetic mater...more »
    828. Chromosome 9/mosaic
     A rare chromosomal disorder where chromosome 9 is duplicated in some of the body's cells resulting in various abnormalities determined by the type and number of cells that contain the extra genetic material....more »
    829. Chromosome 9p deletion syndrome
     A rare genetic disorder where a portion of the genetic material from the short arm of chromosome 9 is missing. The symptoms or severity may vary somewhat between patients....more »
    830. Chromosome 9p tetrasomy syndrome
     A rare chromosomal disorder where there is four copies of the short arm of chromosome 9 instead of the normal two resulting in various abnormalities....more »
    831. Chromosome 9q duplication
     A very rare genetic disorder where a portion of the genetic material on the long arm (q) of chromosome 9 is duplicated which results in various abnormalities. The type and severity of symptoms varies depending on the size and location of the genetic mater...more »
    832. Chromosome 9q duplication syndrome
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 9 resulting in various abnormalities....more »
    833. Chromosome diploid-triploid mosaicism syndrome
     A rare chromosomal disorder involving chromosomal duplication, triplication and mosaicism....more »
    834. Chronic 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 »
    835. Chronic Pancreatitis
     Chronic ongoing inflammation of the pancreas causing digestive complaints....more »
    836. Chronic Viliuisk Encephaliti
     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 »
    837. Chronic 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 »
    838. Chronic Vilyisk 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 »
    839. Chronic 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 »
    840. Chronic liver disease
     Any form of chronic liver disease...more »
    841. Chronic renal insufficiency
     Chronic lack of function of the renal system. Kidneys....more »
    842. Chronic vitamin A toxicity
     Chronic excessive ingestion of vitamin A can cause symptoms....more »
    843. Chronic wasting disease (CWD) of mule deer and elk
     A neurodegenerative disease which is caused by infectious agents called prions. and occurs in deer, elk and moose. The condition is progressive and leads to inevitable death. It is unknown as to whether the disease is transmissible to humans. Symptoms beg...more »
    844. Chuifong tokuwan-induced lead poisoning
     Chuifong tokuwan is a folk remedy used mainly by Asian people to arthritis and other pain. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use...more »
    845. Ciprofloxacin -- Teratogenic Agent
     There is evidence to indicate that exposure to Ciprofloxacin (a fluoroquinolone 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...more »
    846. Cirrhosis of liver
     Chronic liver disease wherein normal liver parenchyma is replaced by fibrous tissue....more »
    847. Cirrhosis of the liver
     Scarring of the liver from alcohol or other causes....more »
    848. Citrullinemia
     Citrullinemia is an inherited urea cycle disorder which causes toxic substances including ammonia to build up in the blood. There are two main subtypes of Citrullinemia (I and II) which are caused by different genetic abnormalities and result in different...more »
    849. Citrullinemia I
     A very rare urea cycle disorder where a lack of the enzyme argininosuccinate synthetase prevents ammonia being turned into urea which can then be excreted in the urine. The build up of ammonia in the body can cause harmful effects. The neonatal form of ci...more »
    850. Citrullinemia I, later-onset
     A very rare urea cycle disorder where a lack of the enzyme argininosuccinate synthetase prevents ammonia being turned into urea which can then be excreted in the urine. The build up of ammonia in the body can cause harmful effects. The later-onset form of...more »
    851. Citrullinemia II
     A very rare urea cycle disorder involving a deficiency of the transport compound called Citrin. Citrin transports aspartate to where the enzyme argininosuccinic acid synthase can combine it with citrulline to make argininosuccinic acid. The deficiency pre...more »
    852. Classic childhood ALD
     Classic severe form of ALD in boys....more »
    853. Classical pyridoxine-dependent seizures
     A form of epilepsy which responds to pyridoxine hydrochloride administration and not to standard anticonvulsant medication....more »
    854. Claviceps purpurea poisoning
     Claviceps purpurea is a type of fungus that can contaminate grains such as rye, wheat, oats and barely. Ingestion of contaminated foods can cause poisoning with the severity of symptoms varying depending on the amount consumed....more »
    855. Cleft upper lip, median -- cutaneous polyps
     A rare birth disorder characterized mainly by a cleft in the upper lip, central nervous system tumors and skin polyps....more »
    856. Clindamycin -- Teratogenic Agent
     There is evidence to indicate that exposure to Clindamycin (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 »
    857. Clomiphene -- Teratogenic Agent
     There is evidence to indicate that exposure to Clomiphene 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 »
    858. Cloverleaf skull micromelia thoracic dysplasia
     A rare disorder characterized by a cloverleaf skull deformity, small limbs and bone abnormalities of the chest and spine. The disorder is lethal....more »
    859. Clupeotoxism
     A potentially fatal condition caused by eating fish such as herrings and anchovies from the Clupeidae family of fish. Severe poisoning can result in death within half an hour of ingestion. Outbreaks have been reported in the Caribbean Sea and the Indian-P...more »
    860. Cobalamin malabsorption, selective, with proteinuria
     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 »
    861. Cobra poisoning
     The Cobra is a poisonous snake which can be found in Africa, Asia and other parts of the world. Some cobras are able to spit venom into the victims eye and cause serious symptoms....more »
    862. Cocaine -- Teratogenic Agent
     There is evidence to indicate that exposure to Cocaine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure an...more »
    863. Cocaine abuse
     Stimulant drug with various effects...more »
    864. Cocaine addiction
     An uncontrollable desire to use cocaine on a regular basis. Chronic cocaine use can lead to dependency in as little as two weeks. Frequent use leads to an increased tolerance to the drug so higher and higher doses are required to achieve the desired eupho...more »
    865. Cocaine fetopathy
     Cocaine use during pregnancy resulting in various birth defects and other abnormalities....more »
    866. Cocaine overdose
     Cocaine is an illegal and highly addictive recreational drug. Excessive doses of the drug can result in various symptoms and even death in severe cases....more »
    867. 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 »
    868. Cochleosaccular degeneration of the inner ear and progressive cataracts
     A very rare syndrome characterized by cataracts and progressive damage of certain inner ear structures (cochlea and saccule) which results in progressive deafness and vision problems....more »
    869. Cockayne syndrome
     A rare genetic disorder characterized by a senile-like appearance, hearing and vision impairment and sun sensitive skin....more »
    870. Codeine -- Teratogenic Agent
     There is evidence to indicate that exposure to Codeine (an opiate drug) during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the lev...more »
    871. 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 »
    872. Coenzyme Q 10 (CoQ10), deficiency
     A rare inherited disorder characterized by the deficiency of Coenzyme Q 10. The range and severity of symptoms is variable....more »
    873. Coenzyme Q cytochrome c reductase deficiency of
     A rare genetic defect where an enzyme deficiency (CoQ-Cytochrome C reductase) disrupts cellular processes. Any of a variety of the components of the enzyme may be missing or defective and hence the clinical presentation and severity may vary. The deficien...more »
    874. Coffin-Lowry syndrome
     A rare genetic disorder characterized by down slanting space between eyelids, bulbous nose, soft hands and tapering fingers....more »
    875. Coleman Randall syndrome
     A rare condition (one reported case) characterized by deafness, underdeveloped gonads, pili torti and a deficiency of growth and luteinizing hormone....more »
    876. Colestyramine -- Teratogenic Agent
     There is evidence to indicate that exposure to Colestyramine (cholesterol-lowering 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 af...more »
    877. Collagenous celiac disease
     Collagenous celiac disease is used to describe progressive celiac disease characterized by the presence of a layer of collagen (scarring) in the intestinal layers. This form of celiac disease usually fails to respond to treatments such as gluten-free diet...more »
    878. 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 »
    879. Colorado tick fever
     A tickborne condition caused by an arenavirus...more »
    880. Colorectal cancer
     Cancer of the colon (bowel) or rectum....more »
    881. Colpocephaly
     A rare brain malformation that is present at birth. The cavities present at the back of the brain are larger than normal as the brain tissue has failed to develop normally to fill some of the space. Severity of symptoms are variable depending on the degre...more »
    882. Common Variable Immunodeficiency
     An immunodeficiency disorder involving low blood gamma globulin levels which results in an increased susceptibility to infections. The condition may be inherited or can be caused by certain drugs (levamisole, hydantoin and carbamazepine)....more »
    883. Complement component deficiency
     Complement components are a part of the immune defense system involved in destroying and removing invading pathogens such as bacteria. A deficiency of the complement components can affect the ability of the body's immune system to function properly. The d...more »
    884. Complement receptor deficiency
     Complement receptors are a part of the immune defense system and they initiate the process of destroying and removing invading pathogens. A deficiency of complement receptors thus affects the immune system. It may be inherited or be associated with autoim...more »
    885. Complete Trisomy 18 syndrome
     Complete Trisomy 18 syndrome is the most severe form of Edwards syndrome and involves an extra copy of chromosome 18 in all of the body cells. This severe form causes mental retardation and numerous physical defects that often cause death before birth or ...more »
    886. Complex 1 mitochondrial respiratory chain deficiency
     A rare genetic defect where an enzyme deficiency (NADH CoQ) disrupts cellular processes and causes various organic acid disorders. Any of a variety of the components of the enzyme may be missing or defective and hence the clinical presentation and severit...more »
    887. Complex 2 mitochondrial respiratory chain deficiency
     A rare genetic defect where an enzyme deficiency (succinate CoQ reductase) disrupts cellular processes. The deficiency may result variable symptoms and condition including conditions such as Leigh's syndrome, myopathy and Kearns-Sayre syndrome....more »
    888. Complex 5 mitochondrial respiratory chain deficiency
     A rare genetic defect where an enzyme deficiency (ATP synthetase) disrupts cellular processes. Any of a variety of the components of the enzyme may be missing or defective and hence the clinical presentation and severity may vary. The deficiency may resul...more »
    889. Concussion
     Brain injury causing loss of consciousness and bruising of the brain...more »
    890. Cone shell poisoning
     A number of species of cone shells are capable of envenomating humans. The toxin is a neurotoxin and thus primarily affects the nervous system. Cone shells are found mainly in shallow waters of the Indian and Pacific oceans. The toxicity varies amongst sp...more »
    891. Congenital Disorder of Glycosylation, Type 1n
     A very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 1N has a defect in the RFT1 gene which results in decreased activity of an enzyme called dolichol-...more »
    892. Congenital Disorders of Glycosylation Type Ia
     A very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 1A involves a phosphomannomutase enzyme defect and affects most body systems especially the nervou...more »
    893. Congenital Toxoplasmosis
     Fetal infection with toxoplasmosis....more »
    894. Congenital Vitamin B12 Malabsorption
     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 »
    895. Congenital aneurysms of the great vessels
     A bulge in one of the main blood vessels in the body - pulmonary artery, pulmonary veins, vena cava and aorta. The condition is generally asymptomatic unless the aneurysm becomes very large or bursts which can result in rapid death depending on the locati...more »
    896. Congenital cystic eye, multiple ocular and intracranial anomalies
     A rare birth syndrome characterized by various eye and brain abnormalities, The eye abnormality is a developmental disorder where a large cyst forms instead of one eye. The size of the cyst is variable....more »
    897. Congenital cytomegalovirus
     Fetal infection with cytomegalovirus....more »
    898. Congenital disorder of glycosylation type 1/IIX
     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 I/IIX refers to cases where the specific abnorma...more »
    899. Congenital disorder of glycosylation type 1A
     A very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 1A involves a phosphomannomutase enzyme defect and affects most body systems especially the nervou...more »
    900. Congenital disorder of glycosylation type 1D
     A very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 1D has a ?1,3-Mannosyl transferase enzyme defect....more »
    901. Congenital disorder of glycosylation type 1E
     A very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 1E has a Dol-P-Man synthase enzyme defect....more »
    902. Congenital disorder of glycosylation type 1F
     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 IF is caused by a defect on chromosome 17p13.1-p...more »
    903. Congenital disorder of glycosylation type 1G
     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 IG is caused by a defect on chromosome 22q13.33 ...more »
    904. Congenital disorder of glycosylation type 1I
     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 Ii is caused by a defect on chromosome 9q22 and ...more »
    905. Congenital disorder of glycosylation type 1J
     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 Ij is caused by a defect on chromosome 11q23.3 a...more »
    906. 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 »
    907. Congenital disorder of glycosylation type 1L
     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 Il is caused by a defect on chromosome 11q23 and...more »
    908. Congenital disorder of glycosylation type 1M
     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 Im is caused by a defect on chromosome 9q34.11 a...more »
    909. Congenital disorder of glycosylation type 1X
     Congenital disorder of glycosylation is a rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 1X also involves thrombocytopenia with normal levels of phospho...more »
    910. Congenital disorder of glycosylation type 2A
     A very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 2A has a GlcNAc transferase 2 enzyme defect....more »
    911. Congenital disorder of glycosylation type 2B
     A very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 2B has glucosidase I enzyme defect....more »
    912. Congenital disorder of glycosylation type 2C
     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 2c is caused by a defect on chromosome 11p11.2 a...more »
    913. Congenital disorder of glycosylation type 2D
     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 2d is caused by a defect on chromosome 9p13 and ...more »
    914. Congenital disorder of glycosylation type 2H
     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 IIh is caused by a defect on chromosome 16q22.1 ...more »
    915. Congenital disorder of glycosylation type IIH
     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 IIh is caused by a defect on chromosome 16q22.1 ...more »
    916. Congenital disorder of glycosylation, type In
     A very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 1n involves a defect in the RFT1 gene and is characterized mainly by enlarged liver, seizures, dev...more »
    917. Congenital hepatic porphyria
     A rare congenital disorder where there is an excess of porphyrin (pigments) in the body. The liver is responsible for making porpyrins....more »
    918. Congenital herpes simplex
     An infant born with a herpes simplex infection transmitted through the mother. The infection may be localized or involve various internal organs and even the central nervous system in which case death can occur....more »
    919. Congenital hypoparathyroidism, seizures, growth and mental retardation and unusual facies
     A rare syndrome characterized mainly by growth and mental retardation, seizures, unusual facial appearance and congenital hypoparathyroidism....more »
    920. Congenital lactase deficiency
     A congenital metabolic disorder where a deficiency of an enzyme called lactase impairs the body's ability to digest milk and other products that contain lactose. Symptoms tend to occur soon after consuming such products. The severity of symptoms depends o...more »
    921. Congenital nonhemolytic jaundice
     A rare disorder where the liver is unable to remove bilirubin from the body which results in jaundice. Chronically high bilirubin levels can lead to neurological toxicity which manifests as progressive neurological symptoms....more »
    922. Conn's adenoma
     An uncommon (but possible highly underdiagnosed) condition characterized by the excessive production of a hormone called aldosterone by the adrenal gland. The condition may result from the presence of an adrenal adenoma. The severity of the condition is v...more »
    923. Conn's syndrome
     An uncommon (but possible highly underdiagnosed) condition characterized by the excessive production of a hormone called aldosterone by the adrenal gland. The condition may result from the presence of an adenoma, carcinoma or enlargement of the adrenal gl...more »
    924. Conn-Louis Carcinoma
     An uncommon (but possible highly underdiagnosed) condition characterized by the excessive production of a hormone called aldosterone by the adrenal gland. The condition results from the presence of an adrenal carcinoma. The severity of the condition is va...more »
    925. 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 »
    926. Continuous spike-wave during slow sleep syndrome
     A rare form of epilepsy that occurs between the ages of 3 and 7 and is diagnosed by the observation through an EEG of continuous spike and wave discharges during the slow sleep phase which is detected. The seizures often occur during sleep. Children outgr...more »
    927. Conversion Disorder
     A psychological condition where physical symptoms arise due to emotional dilemmas....more »
    928. Convulsions
     Involuntary spasms especially those affecting the full body...more »
    929. Convulsions benign familial neonatal dominant form
     A rare dominantly inherited type of epilepsy that occurs in newborns. The seizures can occur during sleep or while awake and may be partial or generalized....more »
    930. Coordination and balance conditions
     Medical disorders of the systems of balance and coordination....more »
    931. Copper deficiency, familial benign
     A rare inherited copper deficiency. Copper has many functions in the body including heart function, cholesterol metabolism, brain development, immune defenses, blood supply, glucose metabolism and normal bone development....more »
    932. Cordyceps-induced lead poisoning
     Cordyceps is a folk remedy by Chinese people to treat high blood pressure, bleeding problems and diabetes. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects ...more »
    933. Corpus callosum agenesis
     A very rare congenital abnormality where part or all of the fibers that connect the two halves of the brain (corpus callosum) are missing....more »
    934. Corpus callosum agenesis -- blepharophimosis -- Robin sequence
     A very rare syndrome characterized by abnormal brain development, various facial anomalies, heart defects and other symptoms....more »
    935. Corpus callosum agenesis-neuropathy
     A rare genetic disorder involving mental retardation, progressive neuropathy and absence of the fibers that connect the two halves of the brain together....more »
    936. Corpus callosum dysgenesis X-linked recessive
     Partial or complete lack of development of the structure that divides two sides of the brain (corpus callosum). As the condition is X-linked, it only occurs in males....more »
    937. Corpus callosum, agenesis of, blepharophimosis Robin type
     A very rare syndrome characterized by abnormal brain development, various facial anomalies, heart defects and other symptoms....more »
    938. Cortes-Lacassie syndrome
     A rare syndrome characterized by nail, hair and teeth abnormalities, malformed hands and feet and seizures. The disorder has only been reported in one cause which resulted in death at 31 months...more »
    939. Cortical hyperostosis-syndactyly
     A rare genetic disorder characterized by webbed fingers and thickening and overgrowth of bones....more »
    940. Corticobasal Degeneration
     A rare progressive neurological disorder where parts of the brain deteriorate....more »
    941. Corticotropin -- Teratogenic Agent
     There is evidence to indicate that exposure to Corticotropin 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 »
    942. Crack addiction
     An uncontrollable desire to use crack on a regular basis. Chronic crack use can lead to dependency in as little as two weeks. Crack is a form of cocaine - powdered cocaine is heated with ammonia or sodium bicarbonate to make rocks of crack. Frequent use l...more »
    943. Craniodiaphyseal dysplasia
     A very rare bone disorder where excess calcium is deposited mainly in the skull bones which can result in compression of various nerves in the skull and even the brain....more »
    944. Craniofacial conodysplasia
     A rare disorder characterized by neurological symptoms and abnormally-shaped bones in the hands and feet. The neurological symptoms are caused by a buildup of fluid inside the skull as well as compression of the spinal cord at the neck-skull junction....more »
    945. Craniostenosis with congenital heart disease mental retardation
     A very rare disorder characterized mainly by premature fusion of the sagittal skull bones, mental retardation and heart disease that is present at birth. The disorder generally involves other variable features....more »
    946. Craniosynostosis -- Dandy-Walker -- Hydrocephalus
     A very rare disorder characterized primarily by the premature fusion of skull bones (sagittal), the Dandy-Walker malformation and a buildup of fluid in the brain (hydrocephalus). The Dandy-Walker malformation is where a cyst develops in the back of the br...more »
    947. Craniosynostosis -- alopecia -- brain defect
     A very rare syndrome characterized mainly by a malformed skull, lack of hair and a brain defect....more »
    948. Craniosynostosis Fontaine type
     A very rare disorder characterized primarily by the premature fusion of skull bones, hand, foot and stomach anomalies and a brain malformation (bilateral periventricular nodular heterotopia)....more »
    949. Craniosynostosis mental retardation clefting syndrome
     A rare disorder characterized by premature fusion of the skull bones (craniosynostosis), mental retardation a cleft lip and/or palate....more »
    950. Craniosynostosis, sagittal, with Dandy-Walker malformation and hydrocephalus
     A very rare disorder characterized primarily by the premature fusion of skull bones (sagittal), the Dandy-Walker malformation and a buildup of fluid in the brain (hydrocephalus). The Dandy-Walker malformation is where a cyst develops in the back of the br...more »
    951. Craniotelencephalic dysplasia
     A very rare syndrome characterized primarily by premature fusion of various skull bones and abnormal brain development....more »
    952. Creatine deficiency, X-linked
     A rare inherited disorder characterized mainly by mental retardation, seizures, short stature and facial anomalies. The disorder is caused by the absence of a compound needed to transport creatine and thus creatine levels may be normal or high, but the bo...more »
    953. Cree leukoencephalopathy
     A rare form of brain demyelination which usually starts between 3 and 9 months of age and death occurs by 21 months....more »
    954. Creutzfeldt-Jakob Disease
     A very rare degenerative brain disease that can be inherited, transmitted (eg in surgical transplants using infected tissue) or as a result of genetic mutations. The condition is fatal....more »
    955. 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 »
    956. 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 »
    957. 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 »
    958. Crome syndrome
     A very rare disorder characterized by various abnormalities including mental retardation, epilepsy and eye and kidney problems....more »
    959. Cryptococcosis
     A fungal infection caused by Cryptococcus neoformans which primarily affects the central nervous system and the lungs. People with weakened immune systems such as AIDS sufferers are generally more susceptible to this type of infection....more »
    960. Cryptosporiosis
     Contagious parasitic digestive infection...more »
    961. Crystal meth addiction
     An uncontrollable desire to use crystal meth on a regular basis. Crystal meth is a powerful stimulant used illegally for its effects. It is highly addictive and known by street names such as ice, speed, glass, crank and chalk. Frequent use leads to an inc...more »
    962. Currarino triad
     A rare birth malformation consisting of abnormalities in the anal, sacral and presacral areas....more »
    963. Cutis Laxa with Bone Dystrophy
     A recessively inherited condition characterized mainly by loose wrinkly skin and growth and developmental delay....more »
    964. Cutis Laxa with Growth and Developmental Delay
     A recessively inherited condition characterized mainly by loose wrinkly skin and growth and developmental delay....more »
    965. Cutis Laxa with or without Congenital Disorder of Glycosylation
     A recessively inherited condition characterized mainly by loose wrinkly skin and growth and developmental delay....more »
    966. Cutis Laxa, Autosomal Recessive, Type IIA
     A recessively inherited condition characterized mainly by loose wrinkly skin and growth and developmental delay....more »
    967. Cutis Laxa, Debre Type
     A recessively inherited condition characterized mainly by loose wrinkly skin and growth and developmental delay....more »
    968. Cutis laxa, recessive type 2
     A very rare syndrome characterized primarily by loose skin and delayed development....more »
    969. Cutis verticis gyrata mental deficiency
     A rare inherited disorder characterized by mental retardation, seizures and eye and movement problems....more »
    970. Cutler Syndrome
     A rare disorder characterized by multisystem disorders including muscle wasting, ataxia, epilepsy, anemia and kidney disease. The kidney disease is most likely present at birth....more »
    971. Cutler-Bass-Romshe syndrome
     A very rare syndrome characterized by kidney, neurological and thyroid problems....more »
    972. Cycad poisoning
     Cycads are a green plant which has a thick trunk from the top of which sprouts palm-like leaves. Eating the seeds, leaves or unprocessed flour made from the trunk of the plant can cause various symptoms if large quantities are eaten. The harmful compounds...more »
    973. Cyclophosphamide -- Teratogenic Agent
     There is evidence to indicate that exposure to Cyclophosphamide 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 »
    974. 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 »
    975. Cyclosporine toxicity
     The toxic reaction of the body to the substance, possibly via allergic reaction or overdose....more »
    976. Cyprus facial neuromusculoskeletal syndrome
     A rare inherited syndrome characterized by variable neurological, muscular and skeletal abnormalities as well as a characteristic face....more »
    977. 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 »
    978. Cysticercosis
     An infectious disease caused by the pork tapeworm Taenia solium. If the larvae are ingested then a mild or asymptomatic tapeworm infection occurs. However, ingested eggs pass into the bloodstream where they can then enter various tissues and form the cyst...more »
    979. Cytochrome c oxydase deficiency, French-Canadian type
     A rare, progressive, inherited metabolic disorder where a deficiency of the enzyme cytochrome C oxidase affects skeletal muscles, connective tissue, brain and liver....more »
    980. 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 »
    981. Czeizel syndrome
     A rare lethal syndrome characterized by cleft palate, uterus abnormalities and omphalocele (protrusion of abdominal organs such as intestine through the navel)....more »
    982. Czeizel-Losonci syndrome
     A very rare syndrome characterized by missing fingers, ureter abnormalities, webbed fingers and toes and abnormal spinal development....more »
    983. D-glycericacidemia
     A rare metabolic disorder where the deficiency of an enzyme (D-Glycerate Kinase) causes high levels of glycine in the body....more »
    984. 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 »
    985. DIDMOAD Syndrome, Mitochondrial form
     A rare association of diabetes insipidus, diabetes mellitus, optic atrophy and deafness which results in mitochondrial defects....more »
    986. Daish-Hardman-Lamont syndrome
     A very rare syndrome characterized mainly by loose joints, tall stature and buildup of fluid inside the skull....more »
    987. Dandy Walker syndrome recessive form
     A rare recessively inherited brain malformation where a cyst develops in the brain which can interfere with the drainage of cerebrospinal fluid and lead to hydrocephalus. The severity of the condition is variable and symptoms tend to only occur if the flu...more »
    988. Dandy-Walker -- facial hemangioma
     A very rare syndrome characterized mainly by a brain malformation (Dandy-Walker) and a hemangioma on the face (mass of dilated blood vessels)....more »
    989. Dandy-Walker Syndrome
     A congenital brain malformation characterized by increased fluid in the brain....more »
    990. Dandy-Walker malformation postaxial polydactyly
     A very rare syndrome where the Dandy-Walker malformation is associated with extra fingers and toes....more »
    991. Dandy-Walker malformation with mental retardation, basal ganglia disease, and seizures
     A rare X-linked syndrome characterized mainly by mental retardation and seizures....more »
    992. Dandy-Walker malformation with mental retardation, macrocephaly, myopia, and brachytelephalangy
     A very rare syndrome characterized mainly by mental retardation, large head, short fingers, nearsightedness and brain abnormalities (Dandy-Walker type)....more »
    993. De Grouchy Syndrome
     A rare chromosomal disorder where a portion of chromosome 18 is missing. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is deleted....more »
    994. De Sanctis-Cacchione syndrome
     A rare genetic ectodermal disorder characterized by sunlight sensitivity, skin atrophy and pigmentation and skin tumors as well neurologic involvement....more »
    995. 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 »
    996. Deafness -- hypospadias -- metacarpal and metatarsal synostosis
     A very rare syndrome characterized mainly by deafness, penis abnormalities and bone anomalies in the foot and hands....more »
    997. Deafness -- onychodystrophy -- osteodystrophy -- mental retardation
     A very rare inherited disorder involving deafness (D), onychodystrophy (O - nail malformation), osteodystrophy (O - bone malformation) and mental retardation (R)....more »
    998. Deafness -- skeletal dysplasia -- lip granuloma
     A very rare syndrome characterized mainly by deafness, skeletal abnormalities, mental retardation and full lips....more »
    999. Deafness mixed with perilymphatic Gusher, X-linked
     An inherited inner ear defect (stapes fixation) which causes progressive hearing loss. Perilymphatic gusher is a complication that can be associated with surgery to correct the inner ear defect. The severity and rate of progression of the hearing loss is ...more »
    1000. Deafness progressive cataract autosomal dominant
     A rare dominantly inherited disorder characterized by deafness and progressive cataracts. The deafness is caused by degeneration of a part of the inner ear . The hearing loss can start in the 3rd decade of life and cataracts occur before the 5th decade....more »
    1001. Deafness, Conductive with Stapes Fixation
     An inherited inner ear defect (stapes fixation) which causes progressive hearing loss. A perilymphatic gusher can occur as a complication of surgery to correct the inner ear defect. The severity and rate of progression of the hearing loss is variable....more »
    1002. Deafness, X-Linked 2
     A X-linked form of hearing loss that occurs without any other symptoms - i.e. is not associated with any other condition. The hearing loss is evident in males but females can be carriers. Surgery to correct the underlying inner ear defect can lead to the ...more »
    1003. Deafness, X-Linked 3
     A X-linked form of hearing loss that occurs without any other symptoms - i.e. is not associated with any other condition. The hearing loss is evident in males but females can be carriers. Surgery to correct the underlying inner ear defect can lead to the ...more »
    1004. Deafness, congenital onychodystrophy, recessive form
     A very rare inherited disorder involving deafness (D), onychodystrophy (O - nail malformation), osteodystrophy (O - bone malformation) and mental retardation (R)....more »
    1005. Decompression sickness
     Condition from overly rapid decompression, especially when diving....more »
    1006. Decreased serum phosphate
     Decreased serum phosphate (or hypophosphatemia) refers to an electrolyte disturbance involving a lower than normal level of phosphate in the blood. This abnormality may in some cases be associated with increased levels of phosphate in the urine but this d...more »
    1007. Defect in synthesis of adenosylcobalamin
     A rare genetic disorder characterized by the impaired ability to make a chemical called adenosylcobalamin. Adenosylcobalamin is a derivative of vitamin B12. The defect results a biochemical abnormality which affects the body's normal biochemical functioni...more »
    1008. Defective apolipoprotein B-100
     A rare inherited condition where defective apolipoprotein B-100 impairs the metabolism of cholesterol and results in high blood cholesterol which in turn increases the risk of cardiovascular disease....more »
    1009. Deficiency of Member 8 Acyl-CoA Dehydrogenace Family
     An extremely rare metabolic disorder where the body is unable to metabolize certain proteins properly. More specifically, an insufficient level of the enzyme (isobutyryl-coenzyme A dehydrogenase) needed to metabolize the amino acid valine. The onset and s...more »
    1010. Del (1) (pter-p36.3) mosaicism
     A very rare chromosomal disorder where the end portion of the short arm of chromosome one is missing in some body cells. The type and severity of symptoms is variable....more »
    1011. Del (2) (p25.1-p23.3)
     A rare chromosomal disorder characterized by variable abnormalities which makes the condition poorly defined. Observations were made on two reported cases....more »
    1012. Del (2) (q12-q14)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in two reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1013. Del (2) (q21-q23)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in the few reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1014. Del (2) (q22-q23)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1015. Del (2) (q22-q31)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1016. Del (2) (q22.3-q23.3)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1017. Del (2) (q23.3-q24.2)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in the few reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1018. Del (2) (q24-q31)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1019. Del (2) (q32.1-q34)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1020. Del (2) (q33.1-q33.3)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1021. Del (2) (q34-qter) and dup (2) (pter-p24)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in two reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1022. Del (2) (q37.3-qter) and dup (8) (q24.3-qter))
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in the few reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1023. Del (2q36)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1024. Del (3) (p14.2-p11)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in two reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1025. Del (3) (p14.2-p12)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in two reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1026. Del (3) (p21.1-p12)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1027. Del (3) (pter-25.3)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in a few reported cases. The manifestations vary considerably from patient to patient....more »
    1028. Del (3) (pter-p25) and dup (4) (pter-p16.1)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1029. Del (3) (pter-p25.23)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1030. Del (3) (q12-q21)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in a few reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1031. Del (4) (pter-p16.2)
     A rare syndrome characterized by the main features of Wolf syndrome which include profound mental retaradation and oral clefting....more »
    1032. Del (4) (pter-p16.2) and dup (2) (q37.1-qter)
     A rare syndrome characterized by the main features of Wolf syndrome which include profound mental retaradation and oral clefting. Patients tend to die soon after birth....more »
    1033. Del (4) (pter-p16.3)
     A very rare chromosomal disorder where a portion of the short arm (pter-p16.3) of the genetic material on chromosome four is missing. The type and severity of symptoms can vary depending on the exact size and location of the deleted genetic material....more »
    1034. Del (4) (pter-p16.3) and dup (5) (pter-15.3)
     A very rare chromosomal disorder where a portion of the short arm (pter-p16.3) of the genetic material on chromosome four is missing. The manifestations tend to mimic a very mild form of Wolf syndrome and is characterized by seizures and developmental del...more »
    1035. Del(1) (23-q25)
     A very rare chromosomal disorder where a portion of the long arm (23q-q25) of chromosome one is missing....more »
    1036. Del(1) (p34.1-p32.3)
     A very rare chromosomal disorder where a portion of the short arm (p34.1-p32.3) of chromosome one is missing....more »
    1037. Del(1) (pter-p36.2)
     A very rare chromosomal disorder where the end portion of the short arm of chromosome one is missing. The type and severity of symptoms is variable....more »
    1038. Del(1) (q24-q25.3)
     A very rare chromosomal disorder where a portion of the long arm (q24-q25.3) of chromosome one is missing. The type and severity of symptoms is variable....more »
    1039. Del(1) (q41-qter)
     A very rare chromosomal disorder where a portion of the long arm (q41-qter) of chromosome one is missing. The type and severity of symptoms is variable....more »
    1040. Del(1) (q42-qter)
     A very rare chromosomal disorder where a portion of the long arm (q42-qter) of chromosome one is missing. The type and severity of symptoms is variable....more »
    1041. Del(1q32)
     A very rare chromosomal disorder where a portion of the long arm (1q32) of chromosome one is missing....more »
    1042. Deletion 10q
     A rare disorder caused by the deletion of a portion of chromosome 10q. The range and severity of symptoms is determined by the size of the portion that is deleted....more »
    1043. Deletion 18q
     A rare chromosomal disorder where a portion of chromosome 18 is missing. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is deleted....more »
    1044. Deletion 22q13
     A very rare chromosomal disorder where a portion of chromosome 22 is missing at the q13 location which results in various abnormalities....more »
    1045. Deletion of the Short Arm of Chromosome 1
     A condition characterized by deletion of the short arm of chromosome 1...more »
    1046. Delleman-Oorthuys syndrome
     A rare birth disorder characterized by eye cavity cysts, brain anomalies, facial skin tags and various other skin lesions....more »
    1047. 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 »
    1048. Delta-1-pyrroline-5-carboxylate dehydrogenase deficiency
     A rare metabolic abnormality involving a deficiency of a particular enzyme (Delta-1-pyrroline-5-carboxylate dehydrogenase) which affects amino acid metabolism and causes mental retardation and convulsions....more »
    1049. Dementia, familial Danish
     A rare inherited form of dementia caused by the deposit of abnormal substances in the brain, spinal cord and retina and the degeneration of brain tissue. Deafness and cataracts usually started in the 20's with severe deafness occurring by the age of 45. M...more »
    1050. Demyelinating disorder
     Any condition that is characterised by the destruction of the myelin sheaths of the nerves...more »
    1051. Dennis cohen syndrome
     A rare syndrome characterized mainly by unusual facial appearance, mental retardation, short stature and sparse hair....more »
    1052. Dentatorubral Pallidoluysian Atrophy
     A condition caused by an abnormality of the DNA sequence on chromosome 12...more »
    1053. Dermochondrocorneal dystrophy of Francois
     A rare condition characterized by osteochonral deformity (abnormal bone and cartilage development) of the hands and feet, dystrophy of the corneas and skin nodules on certain parts of the body....more »
    1054. Dermoid cyst
     Benign cystic tumor often containing skin, hair, and other tissue...more »
    1055. Deshi Dewa-induced lead poisoning
     Deshi Dewa is a folk remedy by Indian people as a fertility medicine. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is ...more »
    1056. Desmoplastic cerebral astrocytoma of infancy
     A rare type of brain tumor that occurs in infants. The tumor consists of cancerous astrocytes....more »
    1057. Desmoplastic infantile ganglioma
     A rare type of brain tumor that occurs in infants. The tumor may be slow-growing and benign or fast-growing and malignant....more »
    1058. Developmental Lactase Deficiency
     This form of lactase deficiency occurs in premature infants. Lactase enzyme activity usually develops late in pregnancy so a preterm infant will not yet have developed this enzyme function. The greater the degree of prematurity, the greater the reduction ...more »
    1059. Developmental delay -- epilepsy -- neonatal diabetes
     A rare syndrome characterized mainly by developmental delay, epilepsy and early-onset diabetes....more »
    1060. Developmental delay -- hypotonia extremities hypertrophy
     A very rare syndrome characterized mainly by poor muscle tone, developmental delay....more »
    1061. Developmental delay due to 2-methylbutyryl-CoA dehydrogenase deficiency
     A very rare genetic disorder where an enzyme deficiency prevents the break down of certain proteins into energy and results in a harmful accumulation of acids in the blood and body tissues. More specifically, there is a deficiency of an enzyme (2-methylbu...more »
    1062. Devriendt syndrome
     A rare syndrome characterized mainly by Robin sequence, short stature and seizures....more »
    1063. Dextroamphetamine -- Teratogenic Agent
     There is evidence to indicate that exposure to Dextroamphetamine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of e...more »
    1064. DiGeorge syndrome
     22q11.2 deletion syndrome is a genetic disorder which can result in a vast array of symptoms. Various names have been used to describe different manifestations of the syndrome. Di George Syndrome primarily involves an underdeveloped thymus and parathyroid...more »
    1065. Diabetes Insipidus, Neurogenic
     A disturbed water balance due to a deficiency of vasopressin (antidiuretic) hormone which causes excessive thirst and urination. Causes include autoimmune disease, malignancy, trauma, infection and blood vessel disease....more »
    1066. Diabetes insipidus, diabetes mellitus, optic atrophy
     A rare association of diabetes insipidus, diabetes mellitus, optic atrophy, and deafness....more »
    1067. Diabetes insipidus, diabetes mellitus, optic atrophy, deafness, mitochondrial form
     A rare association of diabetes insipidus, diabetes mellitus, optic atrophy and deafness which results in mitochondrial defects....more »
    1068. 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 »
    1069. 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 »
    1070. 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 »
    1071. Diabetic Diarrhea
     Diarrhea that occurs in diabetics as a result of the damage done by diabetes to the digestive system. Digestive system damage is caused by intestinal neuropathy (damage to intestinal nerves) or bacterial overgrowth or both....more »
    1072. Diabetic hypoglycemia
     Low blood sugar attack from insulin or diabetes medications...more »
    1073. Dialysis encephalopathy syndrome
     A progressive brain disease that occurs in some patients who undergo chronic hemodialysis. Aluminium intoxication is believed to play a role in the disease....more »
    1074. Diamond-Blackfan anemia
     Diamond-Blackfan anemia is a rare genetic condition where the bone marrow is unable to make sufficient red blood cells which leads low levels of red blood cells. There are eight subtypes of the condition which differ in the location of the genetic defect ...more »
    1075. Diarrhea
     Loose or watery stool....more »
    1076. Diencephalic Syndrome
     A condition characterized by dysfunction of the diencphalon of the brain...more »
    1077. Dientamoeba fragilis
     Parasite usually causing digestive symptoms...more »
    1078. Diflucan -- Teratogenic Agent
     There is evidence to indicate that exposure to Diflucan (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 th...more »
    1079. Digitorenocerebral syndrome
     A very rare syndrome characterized by numerous abnormalities involving the brain, kidneys, fingers, toes, nails and face as well as mental retardation and vision impairment....more »
    1080. Dihydropyrimidine dehydrogenase deficiency
     A metabolic error where a deficiency of an enzyme called dihydropyrimidine dehydrogenase prevents the normal metabolism of certain proteins. High levels of certain proteins are excreted in the urine. The enzyme is also needed the breakdown a chemotherapy ...more »
    1081. Dilutional hyponatremia
     Low sodium levels due to excessive fluids....more »
    1082. Dimedrol -- Teratogenic Agent
     There is evidence to indicate that exposure to Dimedrol 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 »
    1083. Dinno-Shearer-Weisskopf syndrome
     A very rare syndrome characterized mainly by long limbs, tall stature, large head, ataxia and facial anomalies....more »
    1084. Diphenhydramine -- Teratogenic Agent
     There is evidence to indicate that exposure to Diphenhydramine 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 »
    1085. Distinctive Craniofacial Features -- Pterygia -- Mental Retardation
     A very rare syndrome characterized mainly by short stature, underdeveloped genitals and various skull and facial anomalies....more »
    1086. Dobriner syndrome
     An inherited metabolic disorder involving a deficiency of coproporphyrinogen oxidase. The condition is similar to but milder than intermittent porphyria and sometimes includes photosensitivity....more »
    1087. Double cortex syndrome
     A rare brain development disorder which causes mental retardation and epilepsy. An extra layer of nerves develops under the brain cortex....more »
    1088. Down Syndrome
     A chromosome syndrome causing physical effects and mental retardation....more »
    1089. Down's syndrome associated Celiac Disease
     Patients with Down's syndrome have a high degree of susceptibility to developing celiac disease. Up to 17% of Down's syndrome sufferers develop celiac disease but this rate varies amongst age groups and country of origin. Celiac disease is an autoimmune d...more »
    1090. Drash syndrome
     A ver rare disorder involving kidney dysfunction, genital abnormalities and a kidney tumor (Wilm's tumor)....more »
    1091. Dravet syndrome
     A rare, severe form of generalized infant epilepsy that starts after a fever. Initial infant development is normal but once the seizures start, psychomotor development slows and mental decline occurs. The seizures usually occur every month or two to start...more »
    1092. Dridol -- Teratogenic Agent
     There is evidence to indicate that exposure to Dridol (an antinausea and 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 b...more »
    1093. Droperidol -- Teratogenic Agent
     There is evidence to indicate that exposure to Droperidol (an antinausea and 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 m...more »
    1094. Dropletan -- Teratogenic Agent
     There is evidence to indicate that exposure to Dropletan (an antinausea and 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 ma...more »
    1095. Drug poisoning
     The poisoning of an individual with a noxious substance...more »
    1096. Drug-resistant Streptococcus pneumoniae
     A form of streptococcus pneumoniae which is resistant to antibacterials that are usually used to destroy it...more »
    1097. Dup (1) (q23-qter) and del (3)(pter-p25)
     A very rare chromosomal disorder where a portion of the long arm (q23-qter) of chromosome one and the short arm of chromosome 3 (pter- p25) is duplicated. In the reported case, the infant died soon after birth....more »
    1098. Dup (1) (q32-qter) and del (7)(q32-qter)
     A very rare chromosomal disorder where a portion of the long arm (q32-qter) of chromosome one is duplicated and the long arm of chromosome 7 (q32) is deleted. There have only been a couple of reported cases and symptoms may vary somewhat between patients....more »
    1099. Dup (2) (p11.2-q14.1) mosaicism
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1100. Dup (2) (p22-p21)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in the few reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1101. Dup (2) (p25-p21)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1102. Dup (2) (pter-p13))
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in the few reported cases. The manifestations linked to most genetic defects are often variable to some degree though early death is quite common....more »
    1103. Dup (2) (q21-q33
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in two reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1104. Dup (3) (p22-p14)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in two reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1105. Dup (3) (p25-p21.3)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1106. Dup (3) (pter-p21) and del (1) (q43-qter)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in two reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1107. Dup (3) (pter-p22) and del (X) (pter-p22)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1108. Dup (3) (pter-p24) and del (4) (pter-p16)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in six reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1109. Dup (3) (pter-p25)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in nine reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1110. Dup (3) (q21-qter)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in fourteen reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1111. Dup (3) (q22.1-q24)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in two reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1112. Dup (3) (q23-q27)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1113. Dup (3) (q24-q26)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1114. Dup (3) (q25-q28)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1115. Dup(1) (q24-q31.2)
     A very rare chromosomal disorder where a portion of the long arm (q24-q31.2) of chromosome one is duplicated. In the reported case, death occurred within hours of birth....more »
    1116. Dup(1) (q24-q41)
     A very rare chromosomal disorder (two reported cases) where a portion of the long arm (q24-q41) of chromosome one is duplicated. The type and severity of symptoms may vary - one patient died soon after birth whereas the other survived with severe problems...more »
    1117. Duplication 13
     A rare and very severe chromosome disorder leading to mental retardation and physical defects. It is so severe that many babies die soon after birth. The type and severity of symptoms varies depending on the amount and exact location of the genetic materi...more »
    1118. Duplication 18
     A rare genetic chromosomal syndrome where the child has an extra third copy of chromosome 18. Most fetuses are aborted before term, but a live birth with this condition occurs with a frequency around 1-in-3000. Duplication 18 syndrome is more severe than ...more »
    1119. Duplication 5p
     A rare chromosomal disorder where there are three copies of all or part of the short arm (p) of chromosome 5 rather than the normal two. The type and severity of symptoms is determined by the location and size of the genetic material duplicated....more »
    1120. Dysbarism
     A condition that occurs when there is a change in the surrounding pressure such as when scuba diving or moving to places of different altitudes. Dysbarism can occur when pressure increases or decreases and includes conditions such as decompression sicknes...more »
    1121. Dysequilibrium syndrome
     A very rare syndrome characterized mainly by mental retardation and nonprogressive incoordination....more »
    1122. Dysharmonic skeletal maturation -- muscular fiber disproportion
     A very rare syndrome characterized mainly by abnormal bone development and muscle problems....more »
    1123. Dysmyelination
     Defective formation of or destruction of the myelin sheath around nerves. The symptoms are determined by the location and extent of the abnormality....more »
    1124. Dystonia with cerebellar atrophy
     A recessively inherited movement disorder (dystonia) which responds poorly to Levodopa treatment and involves wasting of part of the brain....more »
    1125. Dystonia-Parkinsonism, Adult-Onset
     A rare condition characterized by the association of parkinsonism and dystonia due to a neurodegenerative disorder which progresses quickly....more »
    1126. E-coli food poisoning
     Type of bacterial food poisoning...more »
    1127. Ear infection (infant)
     An infection that affects the ear...more »
    1128. East African Trypanosomiasis
     East African sleeping sickness from the tsetse fly...more »
    1129. East Syndrome
     A rare syndrome characterized mainly by mental retardation, deafness, ataxia and electrolyte imbalance....more »
    1130. Eclampsia
     Eclampsia is the development of seizures or coma in pregnant women suffering from high blood pressure. Eclampsia is a serious condition which requires urgent medical treatment. Eclampsia may be associated with moderate as well as significant increases in ...more »
    1131. Ecstasy abuse
     Use of the illicit drug called ecstasy...more »
    1132. Ecstasy overdose
     Ectsasy 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 »
    1133. Ectodermal dysplasia -- mental retardation -- central nervous system malformation
     A rare syndrome characterized by severe mental retardation, hypothyroidism, abnormal brain development and hair, teeth and nail abnormalities....more »
    1134. Edinburgh malformation syndrome
     A rare syndrome characterized mental and physical retardation, infant death and various other abnormalities....more »
    1135. Edward Syndrome
     A rare genetic chromosomal syndrome where the child has an extra third copy of chromosome 18. Most fetuses are aborted before term, but a live birth with this condition occurs with a frequency around 1-in-3000. Duplication 18 syndrome is more severe than ...more »
    1136. 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 »
    1137. Ehlers-Danlos syndrome Type I
     A rare genetic connective tissue disorder characterized by hyperextensible joints, hyperextensible skin and poor wound healing....more »
    1138. Ehlers-Danlos syndrome with periventricular heterotopia
     The association of a brain malformation (periventricular nodular heterotopia) with a connective tissue disorder called Ehlers-Danlos syndrome....more »
    1139. Ehlers-Danlos syndrome, X-linked
     A rare developmental brain abnormality. Type 1 is caused by a defect on chromosome Xq28....more »
    1140. Ehrlichiosis
     Bacterial tick-borne disease...more »
    1141. 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 »
    1142. Electrocution
     Any injury caused by electricity...more »
    1143. Emanuel syndrome
     A rare chromosomal disorder where a portion of chromosome 11 is translocated with a portion of chromosome 22. The disorder involves a wide range of abnormalities such as kidney, genital and heart abnormalities, mental retardation, small head and failure t...more »
    1144. Empyema
    1145. Enalapril -- Teratogenic Agent
     There is evidence to indicate that exposure to Enalapril (an ACE inhibitor) 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 »
    1146. Encephalitis
     Dangerous infection of the brain...more »
    1147. Encephalo cranio cutaneous lipomatosis
     A rare genetic disorder characterized by craniofacial lipomas, cerebral atrophy and patches of alopecia....more »
    1148. Encephalocele anterior
     Protrusion of a portion of the brain tissue through a skull defect in the anterior portion of the skull. The severity of symptoms depends on the exact location and size of the deformity....more »
    1149. Encephalocele frontal
     Protrusion of a portion of the frontal brain tissue through a skull defect. The severity of symptoms depends on the exact location and size of the deformity....more »
    1150. Encephaloceles
     Improper protrusions of parts of the meninges and brain....more »
    1151. Encephalomyelitis
     Inflammation of the brain and spinal cord....more »
    1152. Encephalopathy -- intracranial calcification -- growth hormone deficiency -- microcephaly -- retinal degeneration
     A rare condition characterized mainly by brain disease, poor growth due to a deficiency of growth hormone, a small head and vision impairment....more »
    1153. Encephalopathy due to GLUT1 deficiency
     A rare inherited metabolic disorder where a genetic mutation results in the deficiency of an enzyme called glutaryl-CoA dehydrogenase which is required to metabolise certain amino acids (lysine, hydroxylysine and tryptophan). Problems occur when these met...more »
    1154. Encephalopathy due to sulphite oxidase deficiency
     An inborn error of metabolism where an enzyme (sulphite oxidase) deficiency results in encephalopathy. Symptoms usually start at birth....more »
    1155. Encephalopathy progressive -- optic atrophy
     A rare birth disorder characterized by progressive brain disease, facial anomalies and eye problems....more »
    1156. End Stage Liver Failure
     Late stage of liver failure characterised by the onset of mental and neurological symptoms, due to build up of toxic metabolites....more »
    1157. End-stage renal disease
     Final stage of total kidney failure....more »
    1158. 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 »
    1159. Endocrine-Cerebroosteodysplasia
     A rare condition observed in six members from two families. The condition is severe with all affected individuals dying before, during or soon after birth. A number of the pregnancies were voluntarily terminated due to the detected malformations. Endocrin...more »
    1160. 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 »
    1161. Endolymphatic sac tumors (ELST's) in Von Hippel Lindau (VHL) disease
     A tumor that develops in the endolymph sacs which are structures inside the ear. These tumors occur predominantly in patients suffering from Von Hippel Landau disease. The tumors don't metastasize....more »
    1162. Endomyocardial fibroelastosis
     A rare heart malformation involving an abnormal thickening of the part of the heart muscle called the endocardium which affects the heart's function. Death is common in infancy and during early childhood....more »
    1163. Endomyocardial fibrosis
     Heart disease characterized by progressive fibrosis of the lining of one or both lower heart cavities. This results in constriction of the heart cavity and may involve the heart valves and other structures....more »
    1164. Entamoeba histolytica
     Parasitic digestive infection....more »
    1165. 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 »
    1166. Enteroviruses
     Viruses affecting the digestive tract....more »
    1167. Ependymoma
     A tumor that occurs in the central nervous system (brain and spinal cord). Symptoms vary according to the aggressiveness, size and exact location of the tumor....more »
    1168. Epidermal nevus -- vitamin D resistant rickets
     A rare syndrome characterized mainly by the presence of birth marks on the skin, bone abnormalities and mental retardation....more »
    1169. Epidermoid carcinoma
     A non-small-cell type of lung cancer. The cancer develops from cells that line the inside of the lungs....more »
    1170. Epiglotitis
     Inflamation of the epiglottis in the throat...more »
    1171. Epilepsy -- microcephaly -- skeletal dysplasia
     A rare syndrome characterized by epilepsy, a small head and skeletal abnormalities....more »
    1172. Epilepsy -- telangiectasia
     A rare syndrome characterized by the association of epilepsy with telangiectasias on the conjunctiva of the eyelids....more »
    1173. Epilepsy benign neonatal dominant form
     A recessively inherited form if seizures that starts during early infancy....more »
    1174. Epilepsy benign neonatal recessive form
     A recessively inherited form if seizures that starts during early infancy....more »
    1175. Epilepsy with myoclonic-astatic crisis
     A form of childhood epilepsy which is associated with a sudden loss of muscle tone which often results in the sufferer falling over and possibly injuring themselves....more »
    1176. Epilepsy, Benign Neonatal
     A condition characterized by clusters of seizures usually during the first days of life. The seizures are harmless and tend to resolve spontaneously during the first year though many cases resolve by 6 weeks of age. The seizures are not necessary associat...more »
    1177. Epilepsy, Benign Neonatal, 1
     A condition characterized by clusters of seizures usually during the first days of life. The seizures are harmless and tend to resolve spontaneously during the first year though many cases resolve by 6 weeks of age. The seizures are not necessary associat...more »
    1178. Epilepsy, Benign Neonatal, 2
     A condition characterized by clusters of seizures usually during the first days of life. The seizures are harmless and tend to resolve spontaneously during the first year though many cases resolve by 6 weeks of age. The seizures are not necessary associat...more »
    1179. Epilepsy, Benign Neonatal, 3
     A condition characterized by clusters of seizures usually during the first days of life. The seizures are harmless and tend to resolve spontaneously during the first year though many cases resolve by 6 weeks of age. The seizures are not necessary associat...more »
    1180. Epilepsy, Benign Neonatal, Autosomal Recessive
     A condition characterized by clusters of seizures usually during the first days of life. The seizures are harmless and tend to resolve spontaneously during the first year though many cases resolve by 4 months of age. The seizures are not necessary associa...more »
    1181. Epilepsy, Pyridoxine-Dependent
     A form of epilepsy which responds to pyridoxine hydrochloride administration and not to standard anticonvulsant medication....more »
    1182. Epilepsy, X-linked -- learning disabilities -- behavior disorders
     An inherited syndrome characterized by epilepsy, behavioral disorders and learning disability. Patients may suffer various combinations of the disorder. The onset of seizures can vary from childhood to adulthood....more »
    1183. Epilepsy, familial mesial temporal lobe
     A dominantly inherited form of epilepsy....more »
    1184. Epilepsy, familial temporal lobe, 4
     A rare inherited epilepsy disorder which also involves migraines and visual aura....more »
    1185. Epilepsy, partial, familial
     A form of epilepsy that tends to run in families and is linked to damage or abnormalities in a specific part of the brain. Often sensory disturbances accompany or precede the seizures....more »
    1186. Epilepsy, pyridoxin-dependent
     A form of epilepsy which responds to pyridoxine hydrochloride administration and not to standard anticonvulsant medication....more »
    1187. Epileptic encephalopathy, early infantile, 2
     A genetic form of epilepsy which is severe and starts during infancy. The condition is considered an atypical form of Rett syndrome due to the development of stereotypical hand movements and repetitive behaviors. This form of the condition is caused by a ...more »
    1188. Epileptic encephalopathy, early infantile, 3
     A genetic form of epilepsy which is severe and starts during infancy. This form of the condition is caused by a defect on the SLC25A22 gene on chromosome 11p15.5....more »
    1189. Epileptic encephalopathy, early infantile, 4
     A genetic form of epilepsy which is severe and starts during infancy. This form of the condition is caused by a defect on the STXBP1 gene....more »
    1190. Epiphyseal dysplasia -- hearing loss -- dysmorphism
     A rare syndrome characterized mainly by hearing loss, unusual face and bone development abnormalities....more »
    1191. Epiphyseal dysplasia dysmorphism camptodactyly
     A rare syndrome characterized mainly by hearing loss, unusual face and bone development abnormalities....more »
    1192. Episodic ataxia syndrome
     A rare genetic disorder characterized by episodes of incoordination and unsteadiness. Stress and exertion may trigger the episodes....more »
    1193. Episodic ataxia, type 1
     A rare genetic disorder characterized by episodes of incoordination and unsteadiness and continuous muscle movement (myokymia). Stress and exertion may trigger the ataxic episodes which usually last for only a few minutes and can occur several times a day...more »
    1194. Episodic ataxia, type 2
     A rare genetic disorder characterized by episodes of incoordination and unsteadiness as well as nystagmus (rapid, involuntary eye movements). Stress, exertion, alcohol and coffee may trigger the episodes which can last from hours to days. Type 2 is caused...more »
    1195. Episodic ataxia, type 3
     A rare genetic disorder characterized by episodes of incoordination and unsteadiness as well as tinnitus and vertigo. Stress and exertion may trigger the episodes. Type 3 is caused by a defect on chromosome 1q42....more »
    1196. Episodic ataxia, type 4
     A rare genetic disorder characterized by episodes of incoordination and unsteadiness. Stress and exertion may trigger the episodes. Type 4 is distinguished from the other types by it's late onset - 3rd to 6th decade....more »
    1197. Episodic ataxia, type 5
     A rare genetic disorder characterized by episodes of incoordination, unsteadiness and seizures. Stress and exertion may trigger the episodes. Type 5 is caused by a defect on chromosome 2q22-q23....more »
    1198. Episodic ataxia, type 6
     A rare genetic disorder characterized by episodes of incoordination and unsteadiness. Stress and exertion may trigger the episodes which tend to last for about half an hour. Type 6 is extremely rare and is caused by a defect on chromosome 5p13....more »
    1199. Episodic ataxia, type 7
     A rare genetic disorder characterized by episodes of incoordination and unsteadiness which lasted from hours to days. Episodes occurred from monthly to yearly and the frequency tends to lessen with age. Stress and exertion may trigger the episodes. Type 7...more »
    1200. Ergotamine -- Teratogenic Agent
     There is evidence to indicate that exposure to Ergotamine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure...more »
    1201. Erythroblastosis fetalis
     A condition which is characterized by a hemolytic anaemia of the fetus due to transplacental transmission of antibodies...more »
    1202. Erythrokeratodermia with ataxia
     A rare syndrome characterized by the association of a skin disorder with slowly progressive neurological symptoms....more »
    1203. Erythromycin -- Teratogenic Agent
     There is evidence to indicate that exposure to Erythromycin (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 »
    1204. 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 »
    1205. Esophagus Cancer
     Cancer of the esophagus in the throat....more »
    1206. 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 »
    1207. Ethanol -- Teratogenic Agent
     There is evidence to indicate that exposure to Ethanol during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure an...more »
    1208. Ethisterone -- Teratogenic Agent
     There is evidence to indicate that exposure to Ethisterone 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 »
    1209. Ethosuximide -- Teratogenic Agent
     There is evidence to indicate that exposure to Ethosuximide (antiseizure 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 affect...more »
    1210. Ethylmalonic aciduria
     A very rare inherited disorder characterized by neurological and vascular symptoms caused by an excessive buildup of ethylmalonic aciduria....more »
    1211. Etretinate -- Teratogenic Agent
     There is evidence to indicate that exposure to Etretinate (a drug used to treat psoriasis) 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 »
    1212. 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 »
    1213. Eugenol oil poisoning
     Eugenol oil is used as a supplement or as a therapeutic ingredient in various medications and foods but excessive doses of undiluted oil can cause symptoms. Smoking undiluted cloves in cigarettes can also cause symptoms. The type and severity of symptoms ...more »
    1214. Extradural hematoma
     Bleeding in the skull outside the brain...more »
    1215. FACWA syndrome
     A rare progressive neurological disorder involving degeneration of part of the brain (basal ganglia) and muscle wasting....more »
    1216. FG Syndrome
     A rare genetic disorder characterized by anal abnormalities, reduced muscle tone and a prominent forehead....more »
    1217. FG syndrome 1
     A rare inherited disorder characterized by anal abnormalities, reduced muscle tone and abnormal brain development. In type 1, the genetic defect is located on chromosome Xq12-q21.31....more »
    1218. FG syndrome 2
     A rare inherited disorder characterized by anal abnormalities, reduced muscle tone and abnormal brain development. In type 2, the genetic defect is located on chromosome Xq28....more »
    1219. FG syndrome 3
     A rare inherited disorder characterized by anal abnormalities, reduced muscle tone and abnormal brain development. In type 3, the genetic defect is located on chromosome Xp22.3....more »
    1220. FG syndrome 4
     A rare inherited disorder characterized by anal abnormalities, reduced muscle tone and abnormal brain development. In type 4, the genetic defect is located on chromosome Xp11.4-p11.3....more »
    1221. FG syndrome 5
     A rare inherited disorder characterized by anal abnormalities, reduced muscle tone and abnormal brain development. In type 5, the genetic defect is located on chromosome Xq22.3....more »
    1222. Fabry's Disease
     Genetic fat storage disorder...more »
    1223. Facial asymetry -- temporal seizures
     A rare condition characterized mainly by seizures that originate from the temporal lobe of the brain....more »
    1224. Facial asymmetry -- temporal seizures
     A rare condition characterized mainly by seizures that originate from the temporal lobe of the brain as well as facial asymmetry....more »
    1225. Factor VII deficiency
     A rare inherited blood disorder caused by a deficiency of a blood protein called Factor VII and resulting in poor blood coagulation. The severity of the condition is variable....more »
    1226. Factor XII Deficiency
    1227. Factor XIII Deficiency
     A very rare inherited or acquired blood disorder caused by a deficiency of Factor XIII which is involved in stabilizing blood clot formation. The condition manifests as bleeding problems....more »
    1228. Factor XIII deficiency, congenital
     A very rare inherited blood disorder caused by a deficiency of Factor XIII which is involved in stabilizing blood clot formation. The condition manifests as bleeding problems....more »
    1229. Factor XIII, A1 subunit Deficiency
     A very rare inherited or acquired blood disorder caused by a deficiency of subunit A of Factor XIII which is involved in stabilizing blood clot formation. The condition manifests as bleeding problems....more »
    1230. Factor XIII, B subunit Deficiency
     A very rare inherited or acquired blood disorder caused by a deficiency of subunit B of Factor XIII which is involved in stabilizing blood clot formation. The condition manifests as bleeding problems....more »
    1231. Fahr's Syndrome
     A rare neurologic disorder where calcium is deposited in various parts of the brain resulting in progressive loss of motor and mental function....more »
    1232. Familial Apolipoprotein A-I and C-III Deficiency
     Familial Apolipoprotein A-I and C-III Deficiency is a lipid metabolism disorder characterized by low HDL cholesterol and a lack of apolipoproteins A-I and C-III in the blood....more »
    1233. Familial Apolipoprotein A-I, C-III, A-IV Deficiency
     Familial Apolipoprotein A-I, C-III and A-IV Deficiency is a lipid metabolism disorder characterized by low HDL cholesterol and a lack of apolipoproteins A-I and C-III in the blood....more »
    1234. Familial Lactase Deficiency
     A congenital metabolic disorder where normal amounts of lactase are produced but the lactase is defective and unable to digest milk and other products that contain lactose. Symptoms tend to occur soon after consuming such products....more »
    1235. Familial Mediterranean fever
     A rare inherited condition characterized by recurrent fever and inflammation. The inflammation usually involves the stomach, lungs or joints....more »
    1236. Familial Selective Vitamin B12 Malabsorption
     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 »
    1237. Familial atrial fibrillation
     A rare inherited condition where abnormal electrical activity in the heart causes it to have a fast and irregular beat. The condition may go unnoticed or may cause stroke or sudden death in some cases....more »
    1238. Familial band heterotopia
     A rare inherited disorder where a part of the brain tissue is misplaced during development. More specifically, a layer of brain tissue is abnormally located in the white matter....more »
    1239. Familial chronic infantile diffuse sclerosis
     A degenerative brain disease involving deterioration of the brain white matter which affects motor and mental functioning. The chronic infantile form starts during infancy and progresses slowly with survival possible to middle age....more »
    1240. Familial partial epilepsy with variable focus
     A familial form of epilepsy where the seizures occur mostly at night. The seizures can arise from different parts of the brain in different family members. There is no damage to the structure of the brain nor permanent neurological damage....more »
    1241. Familial porencephaly
     A very rare developmental abnormality that tends to run in families and is characterized by a localized accumulation of cerebrospinal fluid in the brain. The severity of symptoms is determined by the size and location of the brain abnormality....more »
    1242. Famotidine -- Teratogenic Agent
     There is evidence to indicate that exposure to Famotidine (used to treat and prevent ulcers) 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 b...more »
    1243. Fanconi-Turler syndrome
     A rare syndrome characterized mainly by mental retardation, ataxia and uncoordinated eye movements due to degeneration of parts of the brain....more »
    1244. Farouk-induced lead poisoning
     Farouk is a folk remedy by Saudi Arabian people to treat teething. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is sti...more »
    1245. Faye-Petersen-Ward-Carey syndrome
     A very rare syndrome characterized by excess fluid in the skull, a blood disorder and bone and bone abnormalities....more »
    1246. Febrile Seizures
     Fever-caused seizures in infants or children....more »
    1247. Fechtner syndrome
     A rare condition characterized by the presence of large blood platelets, kidney inflammation, deafness and abnormal leukocytes....more »
    1248. Feigenbaum-Bergeron-Richardson syndrome
     A rare syndrome characterized mainly by deafness, diabetes, epilepsy, kidney disease and premature hardening of the arteries....more »
    1249. Fetal akinesia syndrome, X-linked
     A rare syndrome where the fetus is unable to move or has reduced mobility due to brain defects....more »
    1250. Fetal brain disruption sequence
     A very rare syndrome characterized by skull and brain abnormalities....more »
    1251. Fetal indomethacin syndrome
     Fetal exposure to indomethacin which is a nonsteroidal anti-inflammatory drug. The drug can pass through the placenta from the mother to the baby and cause various problems depending on what stage of development the fetus is at....more »
    1252. Fetal parainfluenza virus type 3
     Maternal infection with parainfluenza virus type 3 can cause a serious infection in the fetus and result in hydrocephalus. The risk is greatest during the first half of the pregnancy....more »
    1253. Fetal warfarin syndrome
     A rare disorder caused by fetal exposure to warfarin (anticoagulant) and resulting in physical, neurological and mental abnormalities....more »
    1254. Fetal-onset olivopontocerebellar hypoplasia
     A rare inherited condition where the brainstem and part of the brain (cerebellum) is abnormally small....more »
    1255. Fibromatosis multiple non ossifying
     A very rare syndrome characterized mainly by bone abnormalities which causes the bones to fracture easily....more »
    1256. Fibromuscular dysplasia of arteries
     A rare disease where the blood vessel walls thicken and harden which reduces blood flow through the arteries and into various organs. The main arteries that may be affected are those in the kidney's and abdomen as well as the carotid artery which caries b...more »
    1257. 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 »
    1258. 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 »
    1259. 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 »
    1260. Flu
     Very common viral respiratory infection....more »
    1261. Fluconazole -- Teratogenic Agent
     There is evidence to indicate that exposure to Fluconazole (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 »
    1262. 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 »
    1263. Fluorouracil -- Teratogenic Agent
     There is evidence to indicate that exposure to Fluorouracil (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 »
    1264. Focal cortical dysplasia type II
     Abnormal development of the brain cortex which results in severe, untreatable seizures which occur several times a day....more »
    1265. Focal cortical dysplasia type IIA
     Abnormal development of the brain cortex which results in severe, untreatable seizures which occur several times a day. Type IIA is distinguished by the lack of balloon cells wheras type IIB has balloon cells present. Balloon cells are abnormal cells in t...more »
    1266. Focal cortical dysplasia type IIB
     Abnormal development of the brain cortex which results in severe, untreatable seizures which occur several times a day. Type IIB is distinguished by the presence of balloon cells wheras type IIA has no balloon cells present. Balloon cells are abnormal cel...more »
    1267. Fochs-LADD
     A rare familial disorder characterized by brain disease, calcification in the brain, bleeding in the brain and dementia....more »
    1268. Folinic acid-responsive seizures
     A form of seizures that respond to treatment with folinic acid. The seizures usually start within a week of birth....more »
    1269. Foramina parietalia permagna
     A rare disorder involving abnormal bone development of the skull resulting in persistent wide fontanelles (cranium bifidum) as well as a scalp defect and other abnormalities....more »
    1270. Franek-Bocker-Kahlen syndrome
     A rare syndrome characterized mainly by a small head, brain defect, spasticity and high sodium level....more »
    1271. Fried syndrome
     A rare syndrome characterized mainly by mental retardation, buildup of fluid inside the skull and an unusual facial appearance. The disorder is inherted in a X-linked manner....more »
    1272. Friedreich ataxia -- congenital glaucoma
     A rare disorder characterized by glaucoma at birth and a progressive neuromuscular disorder....more »
    1273. Froster-Iskenius-Waterson syndrome
     A rare syndrome characterized by multiple joint contractures at birth, hyperthermia and twisting of neck muscles....more »
    1274. Fructose-1,6-bisphosphatase deficiency, hereditary
     A rare inherited condition where an enzyme deficiency (fructose-1,6-bisphosphatase deficiency - FDPase) impairs the body's ability to metabolize fructose from the diet....more »
    1275. Fructosuria
     A rare harmless asymptomatic condition caused by a lack of the liver enzyme called fructokinase which is needed to turn fructose into glycogen....more »
    1276. Fryns macrocephaly
     A rare syndrome characterized by a large head, seizures, spasticity, weakness and unusual facial appearance....more »
    1277. Fryns-Aftimos syndrome
     A rare syndrome characterized mainly by abnormal brain development, epilepsy, mental retardation and unusual facial appearance....more »
    1278. Fucosidosis type 1
     A rare biochemical disorder involving deficiency of an enzyme (alpha-fucosidase) which results in accumulation of certain chemicals (glycosphingolipids) in the central nervous system and other body tissues. It is an infantile form of fucosidosis which sta...more »
    1279. Fucosidosis type II
     A form of the biochemical disorder called fucosidosis where an enzyme deficiency (alpha-fucosidase) results in the accumulation of certain chemicals (glycosphingolipids) in the central nervous system and other body tissues. Symptoms start later and progre...more »
    1280. Fumaric aciduria
     A rare inborn metabolic error where a deficiency of the enzyme fumarase due to a genetic defect impairs the body's ability to break down fumarate into malate which results in increased fumaric acid levels in the urine....more »
    1281. Functioning pancreatic endocrine tumor
     Tumors that develop in the pancreas and cause excessive secretion of one or more pancreatic hormones such as insulin, somatostatin, glucagons, gastrin, ACTH (corticosteroids) and vasoactive intestinal peptidase....more »
    1282. 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 »
    1283. 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 »
    1284. GM1 gangliosidosis
     A rare biochemical disorder involving a deficiency of an enzyme (beta-galactosidase A) which results in the accumulation of harmful chemicals (GM1 gangliosides) in the central nervous system and other body tissues. Type 1 is a severe infantile form of the...more »
    1285. GM2-gangliosidosis, AB variant
     A very rare inherited disorder where the brain and spinal cord nerve cells (central nervous system) are progressively destroyed....more »
    1286. GSS
     A rare familial brain disease caused by a pathogen called prions....more »
    1287. Galloway-Mowat Syndrome
     A condition which is characterized by microcephaly, hiatal hernia and nephrotic syndrome...more »
    1288. Game-Friedman-Paradice syndrome
     A rare condition characterized by retarded growth, hydrocephaly, underdeveloped lungs and various other anomalies. The condition was observed in four offspring from one family....more »
    1289. Ganglioglioma
     A type of tumor that develops in the central nervous system. The tumor originates from glial and nerve cells. The tumor may grow rapidly and symptom will vary depending on the exact location and size of the tumor....more »
    1290. Gangliosidosis generalized GM1, type 1
     A rare biochemical disorder involving a deficiency of an enzyme (beta-galactosidase A) which results in the accumulation of harmful chemicals (GM1 gangliosides) in the central nervous system and other body tissues. Type 1 is a severe infantile form of the...more »
    1291. Gangliosidosis, generalized GM1 type 2
     A rare biochemical disorder involving a deficiency of an enzyme (beta-galactosidase 1) which results in the accumulation of harmful chemicals (GM1 gangliosides) in the central nervous system and other body tissues. Type III involves a lesser degree of acc...more »
    1292. Gangrene
     Tissue death...more »
    1293. Garret-Tripp syndrome
     A rare syndrome characterized mainly by extra digits, a lack of hair and scaly skin on the scalp, face and neck....more »
    1294. Gaucher Disease
     A rare inherited biochemical disorder characterized by the deficiency of the enzyme called glucocerebrosidase and accumulation of glycosylceramide (glucocerebroside). There are three forms of this disease: type 1, 2 and 3....more »
    1295. Gaucher disease -- perinatal lethal form
     A rare syndrome characterized by the association of abnormally tight skin and Gaucher disease which is a lipid storage disease. This is the most severe form of Gaucher disease....more »
    1296. Gaucher disease type 2
     A rare inherited biochemical disorder characterized by the deficiency of the enzyme called glucocerebrosidase and accumulation of glycosylceramide (glucocerebroside). There are three forms of this disease: type 1, 2 and 3. Type 2 is acute neurological for...more »
    1297. Gene-Wiedemann syndrome
     An extremely rare birth disorder characterized by mental retardation and a variety of physical defects....more »
    1298. Generalized Epilepsy with Febrile Seizures Plus
     An inherited seizure disorder characterized by febrile seizures during early childhood and persisting seizures after early childhood which may or may not involve fever. The range and severity of symptoms is variable and may include febrile seizures, parti...more »
    1299. Generalized Epilepsy with Febrile Seizures Plus, type 1
     Generalized epilepsy with febrile seizures plus is an inherited seizure disorder characterized by febrile seizures during early childhood and persisting seizures after early childhood which may or may not involve fever. The range and severity of symptoms ...more »
    1300. Generalized Epilepsy with Febrile Seizures Plus, type 2
     Generalized epilepsy with febrile seizures plus is an inherited seizure disorder characterized by febrile seizures during early childhood and persisting seizures after early childhood which may or may not involve fever. The range and severity of symptoms ...more »
    1301. Generalized Epilepsy with Febrile Seizures Plus, type 3
     Generalized epilepsy with febrile seizures plus is an inherited seizure disorder characterized by febrile seizures during early childhood and persisting seizures after early childhood which may or may not involve fever. The range and severity of symptoms ...more »
    1302. Generalized Epilepsy with Febrile Seizures Plus, type 5
     Generalized epilepsy with febrile seizures plus is an inherited seizure disorder characterized by febrile seizures during early childhood and persisting seizures after early childhood which may or may not involve fever. The range and severity of symptoms ...more »
    1303. Generalized Epilepsy with Febrile Seizures Plus, type 6
     Generalized epilepsy with febrile seizures plus is an inherited seizure disorder characterized by febrile seizures during early childhood and persisting seizures after early childhood which may or may not involve fever. The range and severity of symptoms ...more »
    1304. Generalized lipodystrophy with mental retardation, deafness, short stature and slender bones
     A recessively inherited disorder characterized by short stature, mental retardation, deafness, slender bones and degeneration of the body's fat tissue....more »
    1305. Genetic Disease
     Any disease that is handed down to oneself through the chromosomes of ones parents...more »
    1306. Genetic Parkinson disease
     A type of Parkinson disease that results from a genetic anomaly. There are a more than ten different genes that can cause Parkinson disease....more »
    1307. Genetic reflex epilepsy
     A genetic condition where certain lights (e.g. tv), sounds, music, movements and reading can trigger a seizure....more »
    1308. Gentamicin -- Teratogenic Agent
     There is evidence to indicate that exposure to Gentamicin (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 »
    1309. Gerstmann's Syndrome
     Brain defect causing various cognitive problems....more »
    1310. Ghasard-induced lead poisoning
     Ghasard is a lead-containing tetraoxide salt used mainly by Asian and Indian people as a tonic (usually for indigestion). This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible ...more »
    1311. Giant axonal neuropathy
     A rare genetic disorder characterized by incoordination, vision problems and dementia caused by abnormalities of a nerve cell component....more »
    1312. Giardia
     Contagious parasitic digestive infection...more »
    1313. Glioblastoma
     An aggressive primary brain tumour of the glial (supporting) cells....more »
    1314. Glioma
     A rare type of tumor that occurs from glial cells that make up the central nervous system. These tumors usually occur in the brain but can also occur in the spinal cord and other nerves such as the optic nerve. Symptoms depend on the size and location of ...more »
    1315. Glioma Susceptibility
     A glioma is a rare type of tumor that occurs from glial cells that make up the central nervous system. These tumors usually occur in the brain but can also occur in the spinal cord and other nerves such as the optic nerve. Symptoms depend on the size and ...more »
    1316. Glioma Susceptibility 1
     A glioma is a rare type of tumor that occurs from glial cells that make up the central nervous system. These tumors usually occur in the brain but can also occur in the spinal cord and other nerves such as the optic nerve. Symptoms depend on the size and ...more »
    1317. Glioma Susceptibility 2
     A glioma is a rare type of tumor that occurs from glial cells that make up the central nervous system. These tumors usually occur in the brain but can also occur in the spinal cord and other nerves such as the optic nerve. Symptoms depend on the size and ...more »
    1318. Glioma Susceptibility 3
     A glioma is a rare type of tumor that occurs from glial cells that make up the central nervous system. These tumors usually occur in the brain but can also occur in the spinal cord and other nerves such as the optic nerve. Symptoms depend on the size and ...more »
    1319. Glioma Susceptibility 4
     A glioma is a rare type of tumor that occurs from glial cells that make up the central nervous system. These tumors usually occur in the brain but can also occur in the spinal cord and other nerves such as the optic nerve. Symptoms depend on the size and ...more »
    1320. Glioma Susceptibility 5
     A glioma is a rare type of tumor that occurs from glial cells that make up the central nervous system. These tumors usually occur in the brain but can also occur in the spinal cord and other nerves such as the optic nerve. Symptoms depend on the size and ...more »
    1321. Glioma Susceptibility 6
     A glioma is a rare type of tumor that occurs from glial cells that make up the central nervous system. These tumors usually occur in the brain but can also occur in the spinal cord and other nerves such as the optic nerve. Symptoms depend on the size and ...more »
    1322. Glioma Susceptibility 7
     A glioma is a rare type of tumor that occurs from glial cells that make up the central nervous system. These tumors usually occur in the brain but can also occur in the spinal cord and other nerves such as the optic nerve. Symptoms depend on the size and ...more »
    1323. Glioma Susceptibility 8
     A glioma is a rare type of tumor that occurs from glial cells that make up the central nervous system. These tumors usually occur in the brain but can also occur in the spinal cord and other nerves such as the optic nerve. Symptoms depend on the size and ...more »
    1324. Gliomatosis cerebri
     A rare, aggressive type of malignant brain tumor. Cancerous glial cells infiltrate various parts of the brain and can result in a variety of symptoms....more »
    1325. Gliosarcoma
     A type of brain tumor that originates from glial cells. The tumor may grow rapidly and symptom will vary depending on the exact location and size of the tumor....more »
    1326. Glucagonoma
     Rare cancer of the glucagon-producing pancreas cells....more »
    1327. Glutamate decarboxylase deficiency
     A rare disorder of amino acid metabolism characterized by a deficiency of the enzyme called glutamate decarboxylase which causes seizures that will only respond to pyridoxine (vitamin B6)....more »
    1328. Glutamate-cysteine ligase deficiency
     A very rare condition characterized by an enzyme deficiency which leads primarily to hemolytic anemia which is usually quite mild. Care must be taken to avoid medications which can lead to a hemolytic crisis....more »
    1329. Glutaric Acidemia Type I
     A condition which results in an inability to process the amino acids lysine, hydroxylysine and tryptophan...more »
    1330. Glutaric Acidemia Type II
     A condition which is characterized by an inability of the body to use fats and proteins of the body for energy...more »
    1331. Glutaric aciduria 1
     A rare inherited metabolic disorder where a genetic mutation results in the deficiency of an enzyme called glutaryl-CoA dehydrogenase which is required to metabolise certain amino acids (lysine, hydroxylysine and tryptophan). Problems occur when these met...more »
    1332. Glutaric aciduria 2
     A metabolic disorder involving an enzyme deficiency - electron transfer flavoprotein ubiquinone oxydoreductase. The severity of symptoms depends on the level of deficiency. The infant onset form is the most severe and often results in death. Severe cases ...more »
    1333. Glutaricaciduria type 1
     A rare inherited metabolic disorder where a genetic mutation results in the deficiency of an enzyme called glutaryl-CoA dehydrogenase which is required to metabolise certain amino acids (lysine, hydroxylysine and tryptophan). Problems occur when these met...more »
    1334. Glutathione synthetase deficiency, severe
     An inborn error of metabolism where insufficient glutathione is produced. Glutathione is an antioxidant which helps destroy unstable molecules that can cause damage to cells and helps develop certain cell components. The condition is due to insufficient g...more »
    1335. Glycine encephalopathy, atypical mild form
     A rare disorder of amino acid metabolism where glycine are unable to be metabolized properly due to defects in the glycine cleavage system. The atypical mild form tends to be quite mild and can be difficult to diagnose due to the nonspecific symptoms....more »
    1336. Glycine encephalopathy, classical neonatal early-onset form
     A rare disorder of amino acid metabolism where glycine are unable to be metabolized properly due to defects in the glycine cleavage system. The early onset classical neonatal form usually starts after a period of normal development during the first 6 mont...more »
    1337. Glycine encephalopathy, classical neonatal form
     A rare disorder of amino acid metabolism where glycine are unable to be metabolized properly due to defects in the glycine cleavage system....more »
    1338. Glycine synthase deficiency
     A rare genetic disorder characterized by high blood glycine levels which is toxic to the body. The severity of the condition varies according to the degree of deficiency and age of onset. The classical neonatal form is generally quite severe, the atypical...more »
    1339. Glycine synthase deficiency, type 1
     A rare genetic disorder characterized by high blood glycine levels. It is caused by a defect in the P protein (pyridoxal phosphate-dependent glycine decarboxylase) in the energy creating center of cells (mitochondria)....more »
    1340. Glycine synthase deficiency, type 2
     A rare genetic disorder characterized by high blood glycine levels. It is caused by a defect in the T protein (tetrahydrofolate-requiring enzyme) in the energy creating center of cells (mitochondria)....more »
    1341. Glycogen Storage Disease Type I
     An inherited metabolic disorder where a deficiency of the enzyme glucose-6-phosphatase prevents glycogen being turned into glucose leading to a buildup of glycogen in the liver and kidneys. Most problems tend to develop during adulthood....more »
    1342. Glycogen storage disease type 1C
     A genetic metabolic disorder involving a deficiency of the enzyme glucose-6-phosphatase (due to a defect in the microsomal phosphate) which results in the accumulation of glycogen in various tissues. G6P is stored as glycogen until the body needs to conve...more »
    1343. Glycogen storage disease type 1D
     A genetic metabolic disorder involving a deficiency of the enzyme glucose-6-phosphatase (due to a defect in the microsomal glucose transporter) which results in the accumulation of glycogen in various tissues. G6P is stored as glycogen until the body need...more »
    1344. Gnathostoma Infection
     Infection with a type of round worm (Gnathostoma spinigerum and Gnathostoma hispidum). Infection typically occurs through eating undercooked fish or poultry containing the roundworm larvae or by drinking contaminated water. The symptoms are determined by ...more »
    1345. Gnathostoma hispidum infection
     A tapeworm infection with a tapeworm species called Gnathostoma hispidum. The infection is called gnathostomiasis and usually results from eating undercooked contaminated fish or poultry or drinking contaminated water. The nature and severity of symptoms ...more »
    1346. Gnathostoma spinigerum infection
     A tapeworm infection with a tapeworm species called Gnathostoma spinigerum. The infection is called gnathostomiasis and usually results from eating undercooked contaminated fish or poultry or drinking contaminated water. The nature and severity of symptom...more »
    1347. Goldberg syndrome
     A rare lysosomal storage disorder characterized by an enzyme deficiency (neuraminidase and beta-galactosidase) which results in a build-up of glycoproteins in the urine. There are three main subtypes: infantile, juvenile and adult forms. The early infanti...more »
    1348. Golden Chain tree poisoning
     The Golden Chain tree is a relatively small tree which produces bright yellow flowers. The plant contains a chemical called cytisine which can cause similar effects to nicotine if ingested and can be serious if patients have underlying health problems. Al...more »
    1349. Gonorrhea
     Common sexually transmitted disease often without symptoms....more »
    1350. Goossens-Devriendt syndrome
     A very rare syndrome characterized mainly by a brain defect, congenital heart disease and extra fingers....more »
    1351. Graeck-Imerslund disease
    1352. Grand-Kaine-Fulling syndrome
     A very rare syndrome characterized by disease of the retinal blood vessels and degeneration of the central nervous system....more »
    1353. Granulomatous Angiitis of the Central Nervous System
     Inflammation of blood vessels in the central nervous system (brain and spinal cord). The condition tends to recur....more »
    1354. Granulomatous amebic encephalitis
     Brain/CNS infection from Acanthamoeba bacteria...more »
    1355. Granulomatous amoebic encephalitis
     A rare opportunistic brain infection caused by certain amoeba - Acanthamoeba or Balamuthia amoebae. The amoeba generally only causes encephalitis in people who are immunocompromised or have a chronic disease such as diabetes. The amoeba initially cause pn...more »
    1356. 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 »
    1357. Greta-induced lead poisoning
     Greta is a lead-containing tetraoxide salt used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Chil...more »
    1358. 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 »
    1359. 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 »
    1360. Griscelli syndrome type III
     A rare genetic condition characterized by a partial lack of pigmentation in the eye, skin and hair, clumps of pigmentation in hair shafts and immunodeficiency....more »
    1361. Grix-Blankenship-Peterson syndrome
     A very rare syndrome characterized mainly by mental retardation, bone defects and head and face abnormalities....more »
    1362. Group A Streptococcal Infections
     "Strep" bacteria responsible for strep throat, impetigo and some other strep conditions....more »
    1363. Group B Streptococcal Infections
     "Strep" bacteria that may affect newborns and the immune-compromised; compare strep A....more »
    1364. Growth Retardation, Developmental Delay, Coarse Facies and Early Death
     A rare syndrome observed in a family involving related parents and characterized mainly by retarded growth, developmental delay, coarse facial appearance and early death....more »
    1365. Guanidinoacetate methyltransferase deficiency
     A rare disorder of amino acid metabolism where glycine and proline are unable to be metabolized properly due to deficiency of the enzyme called guanidinoacetate methyltransferase....more »
    1366. Gustavson syndrome
     A very rare condition characterized by features such as mental retardation, spasticity, seizures and eye and ear problems....more »
    1367. HARD syndrome
     A rare genetic disorder characterized by a smooth brain surface and eye, genitourinary and other abnormalities....more »
    1368. HARD syndrome (Hydrocephalus -- agyria -- retinal dysplasia)
     A rare genetic disorder characterized by a smooth brain surface and eye, genitourinary and other abnormalities....more »
    1369. HELLP syndrome
     A rare potentially fatal condition that occurs in pregnant women and is frequently associated with pre-eclampsia....more »
    1370. HERNS syndrome
     A rare inherited syndrome characterized by blood vessel disease which causes eye and kidney disease and strokes. Neurological manifestations tend to occur around the 2nd and 3rd decade of life due to the blood vessels in the brain being affected....more »
    1371. 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 »
    1372. 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 »
    1373. HMG CoA synthetase deficiency
     An inherited metabolic defect due to the deficiency of an enzyme (HMG CoA synthetase) needed to form ketone bodies. Symptoms are often preceded by periods of fasting or illness....more »
    1374. Haas-Robinson syndrome
     A rare, recessively inherited disorder involving defective copper metabolism within the body which causes symptoms such as mental retardation, seizures and poor muscle tone....more »
    1375. Hai Ge Fen-induced lead poisoning
     Hai Ge Fen is clamshell powder used mainly by Chinese people to make traditional Chinese herbal medicines. This product has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of l...more »
    1376. Hall-Riggs mental retardation syndrome
     A rare inherited disorder characterized by mental retardation, distinctive facial features and various bone abnormalities....more »
    1377. Hallervorden-Spatz Syndrome
     A syndrome in which the nerve fibers which connect the striatum to the globus pallidus are completely demyelinated...more »
    1378. Hallervorden-Spatz disease
     Nerve disorder causing movement problems....more »
    1379. Hamman-Rich syndrome
     A rare acute lung disease where the lung sufferers progressive inflammation and fibrosis which often leads to death....more »
    1380. Hand, Foot, & Mouth Disease
     Common contagious viral infant or child condition...more »
    1381. 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 »
    1382. Hardikar syndrome
     A very rare disorder characterized by obstructive liver disease, cleft lip, cleft palate, eye and urogenital abnormalities....more »
    1383. Hashimoto's encephalitis
     A rare but serious condition that can occur when thyroid antibodies, such as those present in Hashimoto's thyroiditis, involve the brain tissue and cause neurological symptoms....more »
    1384. Haspeslagh Fryns Muelenaere syndrome
     A very rare syndrome characterized mainly by short stature, underdeveloped genitals and various skull and facial anomalies....more »
    1385. Head injury
     An injury to the head...more »
    1386. Headache
     In medicine a headache or cephalalgia is a symptom of a number of different conditions of the head and sometimes neck. Some of the causes are benign while others are medical emergencies. It ranks among the most common pain complaints...more »
    1387. Hearing Impairment
     Reduced ability to hear sounds....more »
    1388. Heart disease
     Any of various heart conditions....more »
    1389. Heatstroke
     Heat exhaustion and collapse from heat exposure...more »
    1390. Hemangioblastoma
     A benign tumor that tends to occur in the central nervous system such as the brain and spinal cord. The tumor arises from the stem cells that develop into blood vessels or blood cells (hemangioblasts). Symptoms vary depending on the exact location and siz...more »
    1391. Hemiconvulsion-Hemiplegia-Epilepsy syndrome
     An uncommon condition characterized by prolonged clonic seizures (usually involving one side of the body) followed by paralysis on the same side of the body affected by the seizure. Within a few years of this episode, partial epilepsy develops. The convul...more »
    1392. Hemimegalencephaly
     A very rare disorder where one side of the brain is bigger than the other....more »
    1393. 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 »
    1394. 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 »
    1395. Hemoglobin S/hemoglobin Lepore, Boston
     A blood disorder that mainly causes hemolytic anemia with great variability of symptoms....more »
    1396. Hemoglobin S/hemoglobin O, Arab
     A genetic blood anomaly which causes severe hemolytic anemia, fever, pain, cramping and excessive bleeding....more »
    1397. 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 »
    1398. Hemolytic Uremic Syndrome, Atypical, Susceptibility to, 1
     Atypical hemolytic uremic syndrome is a rare condition characterized by hemolytic anemia, thrombocytopenia and kidney failure that has no obvious cause. Researchers have discovered a number of genes linked to an increased susceptibility to developing the ...more »
    1399. Hemolytic Uremic Syndrome, Atypical, Susceptibility to, 2
     Atypical hemolytic uremic syndrome is a rare condition characterized by hemolytic anemia, thrombocytopenia and kidney failure that has no obvious cause. Researchers have discovered a number of genes linked to an increased susceptibility to developing the ...more »
    1400. Hemolytic Uremic Syndrome, Atypical, Susceptibility to, 3
     Atypical hemolytic uremic syndrome is a rare condition characterized by hemolytic anemia, thrombocytopenia and kidney failure that has no obvious cause. Researchers have discovered a number of genes linked to an increased susceptibility to developing the ...more »
    1401. Hemolytic Uremic Syndrome, Atypical, Susceptibility to, 4
     Atypical hemolytic uremic syndrome is a rare condition characterized by hemolytic anemia, thrombocytopenia and kidney failure that has no obvious cause. Researchers have discovered a number of genes linked to an increased susceptibility to developing the ...more »
    1402. Hemolytic Uremic Syndrome, Atypical, Susceptibility to, 5
     Atypical hemolytic uremic syndrome is a rare condition characterized by hemolytic anemia, thrombocytopenia and kidney failure that has no obvious cause. Researchers have discovered a number of genes linked to an increased susceptibility to developing the ...more »
    1403. Hemolytic Uremic Syndrome, Atypical, Susceptibility to, 6
     Atypical hemolytic uremic syndrome is a rare condition characterized by hemolytic anemia, thrombocytopenia and kidney failure that has no obvious cause. Researchers have discovered a number of genes linked to an increased susceptibility to developing the ...more »
    1404. Hemophagocytic Lymphohistiocytosis
     A condition which is characterized by an abnormal appearance of histiocytes in the blood...more »
    1405. 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 »
    1406. Hemophilia
     Blood disease usually genetic causing failure to clot....more »
    1407. Hemophilus influenzae B
     Bacterial respiratory infection with dangerous complications....more »
    1408. 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 »
    1409. Hemorrhagic thrombocythemia
     A rare blood disorder characterized by increased number of platelets in the blood which often results in an enlarged spleen, bleeding and blood vessel blockages....more »
    1410. Hendra Virus
     A paramyxoviridae virus that is transmitted from animals to humans from body fluids and excretions...more »
    1411. Henna-induced lead poisoning
     Henna is used mainly by Middle Eastern people as a hair and skin dye. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is ...more »
    1412. Heparin-induced thrombocytopenia
     A blood disorder triggered by the use of the drug called heparin which is an anticoagulant. The severity of the condition is variable....more »
    1413. Hepatic encephalopathy syndrome
     A rare syndrome involving the association of advanced liver disease and neurological problems....more »
    1414. Hepatitis
     Any type of liver inflammation or infection....more »
    1415. Hepatitis A
     Contagious viral infection of the liver...more »
    1416. Hepatitis B
     Viral liver infection spread by sex or body fluids....more »
    1417. Hepatitis C
     Viral liver infection spread by blood....more »
    1418. 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 »
    1419. Herbal Agent adverse reaction -- Ginkgo biloba
     Ginkgo biloba can be used as a herbal agent to treat conditions such as tinnitus, brain trauma, vertigo, blood vessel diseases and any other problems which benefit from the blood vessel dilating action of the herbal agent. Ginkgo biloba can cause adverse ...more »
    1420. Herbal Agent adverse reaction -- Licorice
     Licorice can be used as a herbal agent in cough medications and as a food additive in chewing gum and chewing tobacco. The herbal agent contains a chemical called glycyrrhizic acid which can cause an adverse reaction in some people....more »
    1421. Herbal Agent adverse reaction -- Margosa oil
     Margosa oil can be used as a herbal agent to treat parasitic infestations. The herbal agent contains various chemicals which can cause an adverse reaction in some people....more »
    1422. Herbal Agent adverse reaction -- Pennyroyal Oil
     Pennyroyal Oil can be used as a herbal agent to treat delayed menstruation and as an insect repellent. The herbal agent can cause an adverse reaction in some people....more »
    1423. Herbal Agent adverse reaction -- Sassafras Oil
     Sassafras Oil can be used as a herbal agent to treat skin irritation such as insect bites. The herbal agent contains a chemical called safrole which can cause harmful effects if ingested ....more »
    1424. Herbal Agent overdose -- Golden Seal
     Golden seal can be used as a herbal agent to treat a variety of conditions - bleeding after birth, mucosal inflammation, constipation, hemorrhoids. The herbal agent contains chemicals (alkaloid hydrastine, berberine) which can cause various symptoms if ex...more »
    1425. Herbal Agent overdose -- Lobelia
     Lobelia can be used as a herbal agent to treat respiratory congestion, muscle spasms and to assist in quitting smoking. The herbal agent contains a certain chemicals which can imitate the effects of nicotine but which can cause various symptoms if excessi...more »
    1426. Herbal Agent overdose -- Rhubarb
     Rhubarb can be used as a herbal agent to treat constipation. Excessive intake of rhubarb can result in overdose symptoms....more »
    1427. Hereditary amyloidosis
     An inherited form of amyloidosis which is characterized by a build up of the protein amyloid in tissues and organs. This form of amyloidosis tends to affect mainly the nervous system and gastrointestinal tract. Symptoms are determined by the size and loca...more »
    1428. Hereditary ataxia
     Ataxia may depend on hereditary disorders consisting of degeneration of the cerebellum and/or of the spine...more »
    1429. Hereditary carnitine deficiency
     An inherited deficiency of carnitine resulting primarily in muscle problems. Severe symptoms can be triggered by periods of illness or fasting....more »
    1430. Hereditary cerebellar ataxia syndrome of early onset
     An inherited form of cerebellar ataxia which has an early onset....more »
    1431. Hereditary hemorrhagic telangiectasia
     A rare genetic disorder characterized by epistaxes and multiple telangiectases....more »
    1432. Hereditary nodular heterotopia
     A rare inherited disorder where a part of the brain tissue is misplaced during development. More specifically, nodules of brain tissue is in various parts of the brain....more »
    1433. Hereditary pancreatitis
     A rare inherited condition involving recurring bouts of pancreatitis (inflammation of the pancreas) often leading to chronic pancreatitis due to scarring of the pancreas....more »
    1434. Hereditary paroxysmal cerebral ataxia
     A rare genetic disorder characterized by episodes of incoordination and unsteadiness as well as nystagmus (rapid, involuntary eye movements). Stress, exertion, alcohol and coffee may trigger the episodes which can last from minutes to days....more »
    1435. 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 »
    1436. 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 »
    1437. 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 »
    1438. Herpes, Neonatal -- Central Nervous System Infection
     Central nervous system herpes infection in neonates is a herpes infection of the central nervous system (brain, spinal cord) that develops in infants within the first six weeks of life. The virus may be transmitted from the mother to the baby while it is ...more »
    1439. Herpes, Neonatal -- Disseminated
     Disseminated neonatal herpes is a widespread 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 transmit...more »
    1440. Heterotopia, periventricular, associated with chromosome 5p anomalies
     A rare developmental brain abnormality. Type 3 is caused by a defect on chromosome 5p....more »
    1441. Heterotopia, periventricular, autosomal recessive
     A rare, recessively inherited developmental brain abnormality. Type 2 is caused by a defect on chromosome 20q13.13....more »
    1442. Heterozygous Familial Hypercholesterolemia
     Heterozygous Familial Hypercholesterolemia is an inherited condition involving abnormal lipid metabolism. Cholesterol levels tend to be with coronary artery disease usually developing before the age of 50. The heterozygous form of the condition is not as ...more »
    1443. High Blood Pressure/Hypertension
    1444. High Cholesterol
     High levels of blood cholesterol, triglycerides, or other lipids....more »
    1445. Hip Replacement
     The replacement of a hip with an synthetic joint...more »
    1446. Hip conditions
     Any condition that affects the hip...more »
    1447. Hip injury
     Any injury that affects the hip...more »
    1448. Hirschsprung disease ganglioneuroblastoma
     A rare disorder characterized by an intestinal defect tumors of the nerves....more »
    1449. Hirschsprung's disease
     A rare condition where abnormalities in the bowel muscles prevent it from contracting normally and pushing the fecal matter through which results in obstruction and dilation of the bowel....more »
    1450. Hoigne syndrome
     Embolism (blood vessel blockage) and neurological problems associated with a procaine penicillin injection into the muscle. The condition is believed to be caused by some of the drug getting into the blood stream....more »
    1451. Holoacardius amorphus
     A very rare disorder where a twin in the womb doesn't have it's own heart. This second twin is often a very malformed, shapeless mass that acts as a parasite by utilizing the placenta of the normal twin....more »
    1452. Holoprosencephaly, recurrent infections, and monocytosis
     A rare syndrome characterized by recurring infections and a brain anomaly. Death usually occurs during the first years of life due to sepsis....more »
    1453. Homen syndrome
     Lesion on a part of the brain called the lenticular nucleus which is involved in movement....more »
    1454. Homocystinuria
     A rare inherited metabolic disorder involving the amino acid methionine and resulting in a harmful accumulation of homocysteine in the body....more »
    1455. Homocystinuria due to cystathionine beta-synthase deficiency
     A rare genetic biochemical disorder where a deficiency of cystathionine beta-synthase results in high levels of methionine and homocysteine in the blood and reduced levels of cyteine in the blood. There are two subtypes of the disorder with varying manife...more »
    1456. Homocystinuria due to defect in methylation (cbl g)
     An inherited organic acid disorder where an enzyme deficiency (methionine synthase) impairs the body's ability to break down certain proteins consumed in the diet. This results in a buildup of methylmalonic acid and homocystine which results in harmful af...more »
    1457. Homocystinuria due to defect in methylation cbl e
     An inherited organic acid disorder where an enzyme deficiency (methionine synthase reductase) impairs the body's ability to break down certain proteins consumed in the diet. This results in a buildup of methylmalonic acid and homocystine which results in ...more »
    1458. Homocystinuria syndrome
     A rare genetic connective tissue disorder caused by an enzyme deficiency and characterized by dislocation of eye lens, malar flush and osteoporosis....more »
    1459. Homozygous Familial Hypercholesterolemia
     Homozygous Familial Hypercholesterolemia is a severe inherited condition involving abnormal lipid metabolism. Cholesterol levels tend to be very high with problems occurring early in life. Death from a heart attack can occur within the first few years of ...more »
    1460. Hordnes-Engebretsen-Knudtson syndrome
     A very rare syndrome characterized by an abnormal skull shape, mental retardation, abnormally placed anus and narrowed pulmonary valve...more »
    1461. Howard-Young syndrome
     A very rare syndrome characterized mainly by a small head, facial cleft and an extra big toe....more »
    1462. Hoyeraal-Hreidarsson syndrome
     A very rare syndrome characterized mainly by retarded growth, a small head, anemia, immunodeficiency and an underdeveloped brain (cerebellum)....more »
    1463. Human Cytochrome Oxidase Deficiency
     A condition characterized by a deficiency in cytochrome oxidase enzyme...more »
    1464. Human HOXA1 Syndromes
     Human HOXA1 syndromes are very rare conditions caused by genetic defects involving the HOXA1 gene. The severity of the condition is highly variable depending on the extent of the defect and inheritance pattern. The most severe form is Bosley-Salih-Alorain...more »
    1465. Hutchinson Gilford Syndrome
     A rare genetic disorder characterized by alopecia and senile-like appearance....more »
    1466. Hydranencephaly
     A very rare condition where fluid replaces a portion of the brain....more »
    1467. Hydrocarbon poisoning
     Excessive ingestion of hydrocarbon compounds such as turpentine, pine oil, cleaning agents, fuel, polishes, kerosene and car products....more »
    1468. Hydrocephalus -- Skeletal Anomalies -- Mental Disturbance
     A very rare condition reported in only a few families and characterized by a buildup of fluid inside the brain, skeletal anomalies and mental disturbance....more »
    1469. Hydrocephalus -- costovertebral dysplasia -- Sprengel anomaly
     A rare syndrome characterized mainly by hydrocephaly and upwardly displaced shoulder blade (Sprengel anomaly)....more »
    1470. Hydrocephalus -- craniosynostosis -- bifid nose
     A very rare disorder characterized mainly by a buildup of fluid inside the skull, premature fusion of skull bones and a bifid nose....more »
    1471. Hydrocephalus -- growth delay -- skeletal anomalies
     A very rare syndrome characterized mainly by retarded growth, buildup of fluid (cerebrospinal fluid) inside the skull and various skeletal anomalies....more »
    1472. Hydrocephalus -- growth retardation -- skeletal anomalies
     A very rare syndrome characterized mainly by retarded growth, buildup of fluid (cerebrospinal fluid) inside the skull and various skeletal anomalies....more »
    1473. Hydrocephalus autosomal recessive
     A rare, recessively inherited disorder where there is an abnormal buildup of fluid (cerebrospinal fluid) inside the skull....more »
    1474. Hydrocephalus due to congenital stenosis of aqueduct of sylvius
     A very rare disorder where there is a buildup of cerebrospinal fluid inside the skull due to a narrow canal that connects the third and fourth ventricles of the brain....more »
    1475. Hydrocephalus obesity hypogonadism
     A very rare syndrome characterized mainly by obesity, buildup of fluid inside the skull (hydrocephalus) and impaired sex hormone production....more »
    1476. Hydrocephalus skeletal anomalies
     A condition characterized by the association of hydrocephalus (buildup of fluid inside the brain) and skeletal anomalies....more »
    1477. Hydrocephaly tall stature joint laxity and kyphoscoliosis
     A very rare disorder characterized mainly by the association of excessive fluid in the skull (hydrocephaly), tall stature, loose joints and kyphoscoliosis. Various other anomalies may also be present....more »
    1478. 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 »
    1479. Hydroxychloroquine -- Teratogenic Agent
     There is evidence to indicate that exposure to Hydroxychloroquine (an antimalarial 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 af...more »
    1480. Hydroxyprogesterone -- Teratogenic Agent
     There is evidence to indicate that exposure to Hydroxyprogesterone 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 »
    1481. Hydroxyzine -- Teratogenic Agent
     There is evidence to indicate that exposure to Hydroxyzine (an antihistamine) 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 t...more »
    1482. Hymenolepiasis
     A rare parasitic disease caused by a tapeworm called Hymenolepis nana or Hymenlepis dimunita. Infestation occurs through fecal contamination or by accidentally consuming insects that have eaten the parasitic eggs....more »
    1483. Hyper-IgE syndrome, autosomal recessive
     A recessively inherited immunodeficiency disorder characterized by excessive production of IgE and frequent bacterial infections mainly involving the skin. There is no skeletal involvement as in the dominantly inherited form of the condition....more »
    1484. Hypercoagulability syndrome, due to glycosylphosphatidylinositol deficiency
     A genetic disorder where the deficiency of a glycolipid called glycosylphosphatidylinositol causes seizures and blood coagulation problems....more »
    1485. Hyperglycinemia
     Increased blood levels of glycine. There are two types of hyperglycinemia (ketotic and nonketotic) with different symptoms....more »
    1486. Hyperinsulinemic hypoglycemia, familial, 1
     A disorder where too much insulin causes low blood sugar in infants. Prompt treatment is needed to avoid the brain being damaged by repeated periods of low blood sugar. The various types of familial hyperinsulinemic hypoglycemia are distinguished by their...more »
    1487. Hyperinsulinemic hypoglycemia, familial, 2
     A disorder where too much insulin causes low blood sugar in infants. Prompt treatment is needed to avoid the brain being damaged by repeated periods of low blood sugar. The various types of familial hyperinsulinemic hypoglycemia are distinguished by their...more »
    1488. Hyperinsulinemic hypoglycemia, familial, 3
     A disorder where too much insulin causes low blood sugar in infants. Prompt treatment is needed to avoid the brain being damaged by repeated periods of low blood sugar. The various types of familial hyperinsulinemic hypoglycemia are distinguished by their...more »
    1489. Hyperinsulinemic hypoglycemia, familial, 4
     A disorder where too much insulin causes low blood sugar in infants. Prompt treatment is needed to avoid the brain being damaged by repeated periods of low blood sugar. The various types of familial hyperinsulinemic hypoglycemia are distinguished by their...more »
    1490. Hyperinsulinemic hypoglycemia, familial, 5
     A disorder where too much insulin causes low blood sugar in infants. Prompt treatment is needed to avoid the brain being damaged by repeated periods of low blood sugar. The various types of familial hyperinsulinemic hypoglycemia are distinguished by their...more »
    1491. Hyperinsulinemic hypoglycemia, familial, 6
     A disorder where too much insulin causes low blood sugar in infants. Prompt treatment is needed to avoid the brain being damaged by repeated periods of low blood sugar. The various types of familial hyperinsulinemic hypoglycemia are distinguished by their...more »
    1492. Hyperinsulinism due to glucokinase deficiency
     An inherited condition characterized by high insulin levels due to deficiency of glucokinase. The lack of glucokinase prevents the pancreas from detecting low blood sugar so insulin continues to be secreted which keeps the blood sugar level low. Severe sy...more »
    1493. Hyperinsulinism due to glutamodehydrogenase deficiency
     An inherited condition characterized by high insulin and ammonia levels in the blood due to an enzyme deficiency (glutamate dehydrogenase). Episodes of low blood sugar can be triggered by fasting for too long or eating a protein meal. Severe symptoms such...more »
    1494. Hyperinsulinism in children, congenital
     A rare inherited condition characterized by high insulin levels which cause low blood sugar. Severe symptoms such as seizures and coma can result if sugar levels drop too low....more »
    1495. Hyperlipoproteinemia
     Hyperlipoproteinemia is a medical term for high levels of lipids in the blood which in turn causes high cholesterol levels. Lipoproteins are responsible for transporting cholesterol in the bloodstream and high levels of them in the bloodstream means that ...more »
    1496. Hypernatraemia
    1497. Hypernatremia
     Increased blood sodium levels. Can be caused by excessive sodium levels but is more often a result of low water levels in the body....more »
    1498. Hyperornithinemia-hyperammonemia-homocitrullinuria syndrome
     A very rare inherited metabolic disorder where ammonia builds up in the body due to a defect in the transport of ornithine which prevents ammonia being converted to urea and being excreted through the urine. The severity of the condition is variable....more »
    1499. Hyperoxia
     A high level of oxygen in body tissues. It can be caused by exposure to high atmospheric pressure or long term inhalation of high oxygen concentrations. The high levels of oxygen may affect the lungs, nervous system or the eyes and thus can result in vary...more »
    1500. Hyperpipecolatemia
     A rare metabolic disorder characterized by high blood levels of pipecolic acid....more »
    1501. Hyperprolinemia
     A very rare inherited metabolic disorder involving high levels of proline in the blood and urine due to a deficiency of the enzyme proline oxidase. There are two subtypes of the disorder with type II being more severe (higher blood levels of praline). Typ...more »
    1502. Hyperprolinemia type 2
     A rare metabolic abnormality involving a deficiency of a particular enzyme (Delta-1-pyrroline-5-carboxylate dehydrogenase) which affects amino acid metabolism and causes mental retardation and convulsions....more »
    1503. Hypertelorism -- esophageal abnormalities -- hypospadias
     A rare genetic disorder characterized by defects along the midline of the body. The type and severity of symptoms can vary considerably. There are two subtypes of the disorder: one is inherited in a X-linked manner and the other is inherited in an autosom...more »
    1504. Hypertelorism with esophageal abnormality and hypospadias
     A congenital disorder characterized by distinctive facial features, genital abnormalities, esophageal defect and difficulty swallowing. Males are more severely affected than females....more »
    1505. Hypertension
     High blood pressure...more »
    1506. Hypertension due to coarctation of the aorta
     Hypertension due to coarctation of the aorta is high blood pressure resulting from a birth defect where a heart blood vessel called the aorta is abnormally narrowed. The high blood pressure tends to affect mainly the upper part of the body. Babies and ver...more »
    1507. Hypertension in children
    1508. Hypertension in children from 11 through adolescence
    1509. Hypertension in children one to ten years
    1510. Hypertension in children under one year
    1511. Hyperthermia induced defects
     A rare disorder where hypothermia during pregnancy results in infant abnormalities involving growth, development and brain dysfunction....more »
    1512. Hyperthyroidism -- Teratogenic Agent
     There is strong evidence to indicate that the development of hyperthyroidism during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by th...more »
    1513. Hypnic jerk
     An involuntary muscle twitch that occurs in the transition between wakefulness and sleep. Patients are more prone to these twitches if they have a poor sleeping pattern or have been sleep deprived. The twitches usually only occur one or two times a night ...more »
    1514. Hypobetalipoproteinemia
     A medical term for low levels of apolipoprotein (LDL cholesterol) in the blood....more »
    1515. Hypodermyasis
     A parasitic infection by the larva of certain flies (Hypoderma bovis or H. lineatum). These flies are usually parasites that infect cattle in the warmer areas of the northern hemisphere. Humans are accidental hosts who may inadvertently swallow the eggs. ...more »
    1516. Hypoglycemia
     Low blood sugar level...more »
    1517. Hypoglycemia with deficiency of glycogen synthetase in the liver
     A rare condition where low blood sugar is caused by a deficiency of an enzyme called glycogen synthetase in the liver. Symptoms tend to occur after periods of fasting....more »
    1518. Hypoglycemic attack
     Sudden onset of low blood sugar levels...more »
    1519. Hypomagnesemia 4, renal
     A recessively inherited kidney disorder resulting in low blood magnesium levels due to its excessive excretion by the kidneys. This form of hypomagnesemia involves normal urinary and serum levels of calcium....more »
    1520. Hypomagnesemia caused by selective magnesium malabsorption
     A rare genetic disorder which causes low blood magnesium and results in low calcium levels also. Death can occur if left untreated. The condition is believed to results from abnormal intestinal absorption of magnesium rather than the excessive secretion o...more »
    1521. Hypomagnesemia primary
     Low blood magnesium levels which is caused by the abnormal absorption and excretion of the mineral and can be caused by such things as kidney problems and intestinal malabsorption....more »
    1522. Hypomelanosis of Ito
     A rare genetic neurocutaneous disorder characterized by unusual patterns of depigmented skin and associated disorders such as seizures, psychomotor retardation and eye abnormalities....more »
    1523. Hypomyelination and congenital cataract
     An inherited disorder characterized by congenital cataract and progressive neurological impairment due to reduced myelination of nerves....more »
    1524. Hypomyelination, Global Cerebral
     A rare brain disorder involving reduced myelination of part of the brain (cerebrum) caused by the deficiency of an enzyme (aspartate-glutamate carrier 1). The condition was reported in one female patient....more »
    1525. Hypoparathyroidism -- short stature -- mental retardation
     A very rare syndrome characterized mainly by low parathyroid hormone level, short stature and mental retardation....more »
    1526. Hypoparathyroidism familial isolated
     A rare familial condition involving low levels of parathyroid hormone which upsets the body's ability to regulate calcium and phosphate. The severity of symptoms is determined by the how low the parathyroid hormone level is....more »
    1527. Hypoparathyroidism, autoimmune
     A rare autoimmune condition characterized by the inflammation of the parathyroid glands and resulting in a deficiency of parathyroid hormones (parathormone). Parathormone helps controls calcium and phosphorus levels in the body. Symptoms become progressiv...more »
    1528. Hypoplastic Left Heart Syndrome
     A rare condition where an infant is born with an underdeveloped left side of the heart which prevents the heart from pumping oxygenated blood efficiently to various parts of the body....more »
    1529. Hypospadias -- hypertelorism
     A congenital disorder characterized by distinctive facial features, genital abnormalities, esophageal defect and difficulty swallowing. Males are more severely affected than females....more »
    1530. Hypothalamic hamartomas
     A benign congenital tumor that develops on or near the hypothalamus....more »
    1531. Hypotonia, Seizures and Precocious Puberty
     A rare syndrome observed in three siblings and characterized mainly by seizures and reduced muscle tone. Early puberty was also observed in two of the children....more »
    1532. IBIDS syndrome
     A rare inherited skin disorder characterized by red, dry, scaly skin (I - ichthyosis), brittle hair (B), impaired physical and mental development (I), decreased fertility (D) and short stature (S). It is the same as PIBIDS syndrome but doesn't involve pho...more »
    1533. Ichthyohepatotoxication
     Ichthyohepatotoxication is a condition caused by eating the liver of certain fish. It is believed that the high vitamin A content of the liver leads to vitamin A overdose and the resulting symptoms. Tropical shark livers are associated with this condition...more »
    1534. Ichthyosis and male hypogonadism
     A very rare syndrome characterized mainly by scaly skin and insufficient hormone production by the male gonads....more »
    1535. Ichthyosis male hypogonadism
     A very rare syndrome characterized mainly by scaly skin and insufficient hormone production by the male gonads....more »
    1536. Idiopathic Parkinson's disease
     Idiopathic Parkinson's disease is Parkinson's disease for which no particular cause can be determined - it is the most prevalent form of the condition. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, mu...more »
    1537. 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 »
    1538. Idiopathic liver cirrhosis
     Cirrhosis is defined histologically as a diffuse hepatic process characterized by fibrosis and the conversion of normal liver architecture into structurally abnormal nodules. The progression of liver injury to cirrhosis may occur over weeks to years....more »
    1539. Imerslund's Anemia
     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 »
    1540. Imerslund's Syndrome
     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 »
    1541. Imerslund-Najman-Grasbeck Anemia
     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 »
    1542. Imerslund-Najman-Grasbeck 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 »
    1543. Imerslund-Najman-Grasbeck Syndrome
     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 »
    1544. Immune Thrombocytopenic Purpura
     Reduced blood platelets causing visible skin blemishes from bleeding or bruising....more »
    1545. Immunodeficiency due to interleukin-1 receptor-associated kinase-4 deficiency
     Susceptibility to infection as a result of a genetic defect which affects immunity. Infections tend to be severe and can be life-threatening....more »
    1546. Immunosuppressive Measles Encephalitis
     A rare complication of the measles virus. Some patients with a history of measles before the age of two develop progressive brain inflammation. The condition is rare and tends to only occur only in immunosuppressed children e.g. those who have acute lymph...more »
    1547. Inapsine -- Teratogenic Agent
     There is evidence to indicate that exposure to Inapsine (an antinausea and 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...more »
    1548. Inborn amino acid metabolism disorder
     A group of inherited disorders where the body is not able to metabolize amino acids consumed in the diet. Amino acids are a part of carbohydrates, fats and proteins and are metabolized in order to provide energy or to make other needed compounds. There ar...more »
    1549. Inborn urea cycle disorder
     A genetic disorder involving a deficiency of one of the enzymes needed in the urea cycle. The urea cycle is the process of removing ammonia from blood stream by converting it to urea and excreting it via urine. A build-up of ammonia in the blood is toxic ...more »
    1550. Inclusion Body Myositis
     Progressive inflammatory muscle disease causing muscle weakness....more »
    1551. Incontinentia Pigmenti
     A rare genetic skin pigmentation disorder characterized by eye, teeth, bone, nail and hair malformations as well as central nervous abnormalities and mental deficiency....more »
    1552. 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 »
    1553. Indian Tobacco poisoning
     The Indian Tobacco plant contains alkaloids such as lobeline which can result in similar effects to nicotine. The plant is sometimes used in herbal preparations which is usually how poisoning occurs....more »
    1554. 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 »
    1555. Indigo Carmine -- Teratogenic Agent
     There is evidence to indicate that exposure to Indigo Carmine 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 »
    1556. 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 »
    1557. Infant Cytomegalic virus
     A serious CMV viral infection in newborns....more »
    1558. Infantile apnea
     A disorder where infants stop breathing temporarily....more »
    1559. Infantile convulsions and paroxysmal choreoathetosis, familial
     A very rare inherited syndrome characterized mainly by convulsions during infancy and choreoathetosis which can occur randomly or be triggered by certain stimuli such as exercise....more »
    1560. Infantile epileptic-dyskinetic encephalopathy
     A genetic disorder characterized by severe epilepsy and dyskinesia that starts during infancy. This form of the condition is caused by a defect on the ARX gene....more »
    1561. Infantile hypophosphatasia
     An inherited bone disorder due to an inborn error of metabolism characterized by a deficiency of alkaline phosphate. The condition becomes noticeably during infancy and involves a period of normal development (about 6 months) followed by deterioration due...more »
    1562. Infantile onset spinocerebellar ataxia
     A rare disorder that has neurological origins and causes progressive ataxia, impaired tendon reflexes, abnormal limb movements, and sensory, eye muscle and hearing impairment....more »
    1563. Infantile sialic acid storage disorder
     A rare inherited biochemical disorder characterized by the accumulation of sialic acid in the tissues and excretion of sialic acid in the urine. The disorder results in death within the first few years of life - usually in infancy....more »
    1564. Infantile spasms -- broad thumbs
     A very rare syndrome characterized mainly by spasms during infancy and broad thumbs....more »
    1565. Infectious meningitis
     Infectious meningitis is meningitis caused by bacterial, viral, or protozoan infection. Most of the agents known to cause meningitis are infectious, but very few people exposed to them will get meningitis. Those at greatest danger include people with AIDS...more »
    1566. 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 »
    1567. Inhalant abuse
     Inhalant abuse is the use of various inhalants for the purpose of achieving a "high". They are often used as a cheap, readily available alternative to street drugs but they can cause serious damage to the body. Inhalants include gasoline, adhesives, solve...more »
    1568. Inhalant addiction
     Inhalant addiction refers to the compulsive need to abuse inhalants (e.g. inhaling them). Sufferers have withdrawal symptoms when attempting to stop the habit and feel unable to stop the habit despite knowing the harm it is causing their health. Inhalants...more »
    1569. Inherited Hemolytic-Uremic Syndrome
     A condition which is characterized by thrombotic microangiography occurring with renal failure, hemolytic anemia and severe thrombocytopenia...more »
    1570. Iniencephaly
     A rare type of neural tube defect where the head is positioned in a backward bent angle and the spine is malformed....more »
    1571. Insect sting allergies
     When a person has an allergic reaction at the site of an insect sting...more »
    1572. Insulinoma
     A rare form of pancreatic cancer that causes excessive secretion of the hormone insulin. A relatively small number of cases are malignant....more »
    1573. Interferon Alpha -- Teratogenic Agent
     There is evidence to indicate that exposure to Interferon Alpha 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. 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 »
    1575. 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 »
    1576. Internal carotid agenesis
     A very rare malformation where the carotid artery fails to develop. Other brain blood vessels enlarge to try to compensate for the defect and this leads to compression of parts of the brain which can cause neurological symptoms. The severity of symptoms i...more »
    1577. Intestinal Pseudoobstruction in Adults
     A condition characterized by the clinical presentation of obstruction of the intestines when there is no mechanical cause....more »
    1578. Intestinal pseudo-obstruction
     A digestive disorder where the intestines are unable to contract normally and push food through the digestive system. This results in symptoms similar to an obstruction and hence the name pseudo-obstruction. The walls of the affected gastrointestinal trac...more »
    1579. Intestinal pseudoobstruction chronic idiopathic
     A digestive disorder where the intestines are unable to contract normally and push food through the digestive system. This results in symptoms similar to an obstruction and hence the name pseudoobstruction. The condition has no obvious cause....more »
    1580. Intracranial Embolism
     Blockage of a blood vessel inside the skull and affects blood flow to parts of the brain. The severity of the condition is variable depending on the size, location and duration of the blockage....more »
    1581. Intracranial Hemorrhages
     Bleeding inside the skull. The condition is a medical emergency and the greater the bleeding, the more severe the condition....more »
    1582. Intracranial arachnoid cysts
     A rare disorder involving a fluid-filled cysts on the arachnoid membrane which is one of the thin layers of tissue that form a membrane which covers the brain. The type and severity of symptoms is determined by the size and location of the cyst....more »
    1583. Intracranial arteriovenous malformation
     A congenital malformation where there is an opening that connects an artery with a vein inside the brain. Severity of symptoms is determined by the extent of the malformation....more »
    1584. Intracranial germ cell tumour
     A brain tumor that arises from germ (sex) cells. This type of tumor tends to occur in patients under the age of 30, usually in the second decade. Symptoms depend on the size, exact location and rate of growth of the tumor....more »
    1585. Intrapartum Eclampsia
     Intrapartum eclampsia is the development of seizures or coma in pregnant women suffering from high blood pressure. Intrapartum means that it occurs during the delivery of the baby. Eclampsia is a serious condition which requires urgent medical treatment. ...more »
    1586. Intrauterine infections
     Infection of the fetus while still inside the womb. The type and severity of symptoms is determined by the type of infection and at what stage of pregnancy it occurs. Some cases are mild enough to be asymptomatic and others are severe enough to cause a mi...more »
    1587. Iris dysplasia with ocular hypertelorism, psychomotor retardation and sensorineural deafness
     A rare syndrome characterized by wide-set eyes, psychomotor retardation, deafness and an eye abnormality....more »
    1588. Irritable bowel syndrome
     Spasms in the colon wall...more »
    1589. Ischemia
     Inadequate blood supply to tissues, usually caused by a problem in the blood vessel....more »
    1590. Isobutyric aciduria
     An extremely rare metabolic disorder where the body is unable to metabolize certain proteins properly. More specifically, an insufficient level of the enzyme (isobutyryl-coenzyme A dehydrogenase) needed to metabolize the amino acid valine. The onset and s...more »
    1591. Isobutyryl-coenzyme A dehydrogenase deficiency
     An extremely rare genetic condition where the body is unable to metabolize certain proteins properly. More specifically, an insufficient level of the enzyme (isobutyryl-coenzyme A dehydrogenase) needed to metabolize the amino acid valine....more »
    1592. 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 »
    1593. Isotretinoin -- Teratogenic Agent
     There is evidence to indicate that exposure to Isotretinoin (an acne treatment 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 affect...more »
    1594. Isotretinoin embryopathy like syndrome
     A very rare syndrome which causes the same abnormalities and deformities that occur in fetal exposure to maternal use of isotretinoin....more »
    1595. Isovaleric academia
    1596. 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 »
    1597. Ivemark III
     A very rare genetic disorder characterized by an absent or divided spleen, imperforate anus, neurological symptoms ambiguous genitalia and other anomalies....more »
    1598. Jackson-Weiss Syndrome
     A rare inherited disorder involving bone abnormalities such as fusion of upper foot bones and premature fusion of skull bones which prevents the skull from growing normally. Symptoms can range from mild to severe....more »
    1599. 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 »
    1600. Jaundice
     Bile or liver problem causing yellowness....more »
    1601. Jervell and Lange-Nielsen Syndrome
     A rare condition characterized by congenital deafness and a long Q-T interval which is where the heart takes longer than normal to recharge after a heartbeat....more »
    1602. Jeune syndrome
     A rare genetic disorder characterized by short limbs, underdeveloped iliac wings and a narrow rigid thoracic cage that often results in asphyxiation....more »
    1603. Jeune-Tommasi syndrome
     A rare genetic disorder characterized by ataxia, deafness and heart problems....more »
    1604. Jimsonweed poisoning
     The Jimsonweed is a herb that bears single large white or lavender flowers and seeds surrounded by a spiny shell. The plant contains tropane alkaloids (mainly the seeds and leaves) which can cause symptoms if eaten in large quantities....more »
    1605. Jin Bu Huan-induced lead poisoning
     Jin Bu Huan is a folk remedy used mainly by Chinese people to treat pain. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies...more »
    1606. Joubert Syndrome
     A rare neurological disorder where there is a defect in the part of the brain that controls coordination and balance....more »
    1607. Jung-Wolff-Back-Stahl syndrome
     A very rare syndrome characterized mainly by brain abnormalities, mental retardation and facial and skull anomalies....more »
    1608. Junin virus
    1609. Juvenile Megaloblastic Anemia
     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 »
    1610. Juvenile myoclonic epilepsy
     A form of epilepsy that occurs in teenagers and involves sudden muscle jerking and seizures which is especially common on awakening....more »
    1611. Juvenile pilocytic astrocytoma
     A type of brain tumor that occurs in children and young adults. The tumor is derived from a type of cell called an astrocyte and it can occur in various parts of the brain as well as the optic pathways and the spinal cord. Malignancy is rare. Symptoms may...more »
    1612. Juvenile primary lateral sclerosis
     A very rare genetic disorder characterized by increasing weakness and stiffness of the muscles in the arms, legs and face due to damage to nerve cells that control motor movement....more »
    1613. KBG Syndrome
     A very rare genetic disorder involving short stature, mental retardation, abnormal development of various bones....more »
    1614. Kalam-Hafeez syndrome
     A rare disorder characterized by low parathyroid levels in infants, retarded growth, mental retardation, dysmorphic features and seizures....more »
    1615. Kandu-induced lead poisoning
     Kandu (red powder) is a folk remedy used mainly by Asian and Indian people to treat intestinal problems. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of...more »
    1616. Katayama fever
     An acute disease due to infection with Schistosoma parasites. Transmission can occur through contact with infected waters....more »
    1617. Kawasaki disease
     A childhood illness that generally affects the skin, mouth and lymph nodes....more »
    1618. Kearns-Sayre Syndrome
     A rare neuromuscular disorder characterized by pigmented deposits on the retina, heart disease and progressive paralysis of some eye muscles....more »
    1619. 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 »
    1620. 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 »
    1621. 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 »
    1622. Keratosis follicularis -- dwarfism -- cerebral atrophy
     A very rare syndrome characterized mainly by dwarfism, brain degeneration and a hair follicle disorder....more »
    1623. Kernicterus
     A rare condition involving high blood levels of bilirubin which can also accumulate in the brain and lead to neurological problems....more »
    1624. Kidney damage -- 1,2-Dichloromethane
     Damage or injury to kidneys caused by exposure to a hydrocarbon called 1,2-Dichloromethane. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas s...more »
    1625. Kidney damage -- Acetaminophen
     Damage or injury to kidneys caused by a type of analgesic called acetaminophen (Tylenol). Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result in kidney failure. Symptoms may be acute, subacute or chronic depending ...more »
    1626. Kidney damage -- Aminoglycosides
     Damage or injury to kidneys caused by aminoglycoside antibiotics. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result in kidney failure. Symptoms may be acute, subacute or chronic depending on the severity of the t...more »
    1627. Kidney damage -- Aminosalicylic Acid
     Damage or injury to kidneys caused by a type of antibiotic called aminosalicylic acid. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result in kidney failure. Symptoms may be acute, subacute or chronic depending on ...more »
    1628. Kidney damage -- Amphotericin B
     Damage or injury to kidneys caused by an antibiotic called amphotericin B. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result in kidney failure. Symptoms may be acute, subacute or chronic depending on the severity...more »
    1629. Kidney damage -- Amyl Alcohol
     Damage or injury to kidneys caused by exposure to amyl alcohol. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately ...more »
    1630. Kidney damage -- Anti-cancer drugs
     Damage or injury to kidneys caused by exposure to anti-cancer drugs such as cyclosporine and cisplatin. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any sympto...more »
    1631. Kidney damage -- Aristolochic acid
     Damage or injury to kidneys caused by exposure to aristolochic acid. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultima...more »
    1632. Kidney damage -- Arsenic
     Damage or injury to kidneys caused by exposure to arsenic. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately resul...more »
    1633. Kidney damage -- Aspirin
     Damage or injury to kidneys caused by a type of analgesic called Aspirin. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result in kidney failure. Symptoms may be acute, subacute or chronic depending on the severity ...more »
    1634. Kidney damage -- Automobile exhaust
     Damage or injury to kidneys caused by exposure to Automobile exhaust. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultim...more »
    1635. Kidney damage -- Bacitracin
     Damage or injury to kidneys caused by a type of antibiotic called bacitracin. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result in kidney failure. Symptoms may be acute, subacute or chronic depending on the sever...more »
    1636. Kidney damage -- Bismuth
     Damage or injury to kidneys caused by exposure to bismuth. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately resul...more »
    1637. Kidney damage -- Cadmium
     Damage or injury to kidneys caused by exposure to cadmium. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately resul...more »
    1638. Kidney damage -- Carbon Tetrachloride
     Damage or injury to kidneys caused by exposure to Carbon tetrachloride. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ult...more »
    1639. Kidney damage -- Cephaloridine
     Damage or injury to kidneys caused by a type of antibiotic called Cephaloridine. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result in kidney failure. Symptoms may be acute, subacute or chronic depending on the se...more »
    1640. Kidney damage -- Chloroform
     Damage or injury to kidneys caused by exposure to a hydrocarbon called chloroform. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe dam...more »
    1641. Kidney damage -- Chlortetracycline
     Damage or injury to kidneys caused by a type of antibiotic called Chlorotetracycline. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result in kidney failure. Symptoms may be acute, subacute or chronic depending on t...more »
    1642. Kidney damage -- Chromium
     Damage or injury to kidneys caused by exposure to chromium. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately resu...more »
    1643. Kidney damage -- Cisplatin
     Damage or injury to kidneys caused by exposure to an anti-cancer drug called Cisplatin. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas sever...more »
    1644. Kidney damage -- Contrast agents
     Damage or injury to kidneys caused by a contrast agent called sodium iodide used in some diagnostic tests. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result in kidney failure. Symptoms may be acute, subacute or c...more »
    1645. Kidney damage -- Copper
     Damage or injury to kidneys caused by exposure to copper. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result...more »
    1646. Kidney damage -- Cyclophosphamide
     Damage or injury to kidneys caused by exposure to an anti-cancer drug called Cyclophosphamide. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms wherea...more »
    1647. Kidney damage -- Cyclosporin
     Damage or injury to kidneys caused by exposure to an anti-cancer drug called cyclosporine. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas se...more »
    1648. Kidney damage -- Degreasing solvents
     Damage or injury to kidneys caused by exposure to degreasing solvents. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ulti...more »
    1649. Kidney damage -- Dichloroacetylene
     Damage or injury to kidneys caused by exposure to a hydrocarbon called Dichloroacetylene. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas sev...more »
    1650. Kidney damage -- Diethylene glycol
     Damage or injury to kidneys caused by exposure to a hydrocarbon called Diethylene glycol. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas sev...more »
    1651. Kidney damage -- Dioxane
     Damage or injury to kidneys caused by exposure to a hydrocarbon called Dioxane. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage...more »
    1652. Kidney damage -- Ethylene Glycol
     Damage or injury to kidneys caused by exposure to ethylene glycol. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimate...more »
    1653. Kidney damage -- Ethylene glycol ethers
     Damage or injury to kidneys caused by exposure to Ethylene glycol ethers. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can u...more »
    1654. Kidney damage -- Fuels
     Damage or injury to kidneys caused by exposure to fuel. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result i...more »
    1655. Kidney damage -- Gasoline
     Damage or injury to kidneys caused by exposure to gasoline. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately resu...more »
    1656. Kidney damage -- Germanium
     Damage or injury to kidneys caused by exposure to germanium. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately res...more »
    1657. Kidney damage -- Glue solvent vapors
     Damage or injury to kidneys caused by exposure to glue solvent vapors. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ulti...more »
    1658. Kidney damage -- Glues
     Damage or injury to kidneys caused by exposure to glues. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result ...more »
    1659. Kidney damage -- Gold
     Damage or injury to kidneys caused by exposure to gold. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result i...more »
    1660. Kidney damage -- Hairdressing solvents
     Damage or injury to kidneys caused by exposure to hairdressing solvents. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ul...more »
    1661. Kidney damage -- Hairdressing sprays
     Damage or injury to kidneys caused by exposure to hairdressing sprays. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ulti...more »
    1662. Kidney damage -- Heavy metals
     Damage or injury to kidneys caused by exposure to heavy metals. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately ...more »
    1663. Kidney damage -- Herbicide
     Damage or injury to kidneys caused by exposure to herbicides. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately re...more »
    1664. Kidney damage -- Hexachloro-1,3-butadiene
     Damage or injury to kidneys caused by exposure to a hydrocarbon called Hexachloro-1,3-butadiene. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms wher...more »
    1665. Kidney damage -- Hydrocarbons
     Damage or injury to kidneys caused by exposure to hydrocarbons such as chloroform and styrene. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms wherea...more »
    1666. Kidney damage -- Ibuprofen
     Damage or injury to kidneys caused by a type of analgesic called Ibuprofen. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result in kidney failure. Symptoms may be acute, subacute or chronic depending on the severit...more »
    1667. Kidney damage -- Lead
     Damage or injury to kidneys caused by exposure to lead. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result i...more »
    1668. Kidney damage -- Lithium
     Damage or injury to kidneys caused by exposure to lithium. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately resul...more »
    1669. Kidney damage -- Mercury
     Damage or injury to kidneys caused by exposure to mercury. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately resul...more »
    1670. Kidney damage -- Methanol
     Damage or injury to kidneys caused by exposure to methanol. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately resu...more »
    1671. Kidney damage -- Methemoglobin-producing agents
     Damage or injury to kidneys caused by exposure to methemoglobin-producing agents. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe dama...more »
    1672. Kidney damage -- Methicillin
     Damage or injury to kidneys caused by a type of antibiotic called methicillin. Kidney damage usually occurs as a result of an allergic reaction to the antibiotic. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result...more »
    1673. Kidney damage -- Neomycin
     Damage or injury to kidneys caused by a type of antibiotic called Neomycin. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result in kidney failure. Symptoms may be acute, subacute or chronic depending on the severit...more »
    1674. Kidney damage -- Nonsteroidal anti-inflammatory drugs
     Damage or injury to kidneys caused by a type of analgesic called nonsteroidal anti-inflammatory drugs. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result in kidney failure. Symptoms may be acute, subacute or chron...more »
    1675. Kidney damage -- Oxytetracycline
     Damage or injury to kidneys caused by a type of antibiotic called Oxytetracycline. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result in kidney failure. Symptoms may be acute, subacute or chronic depending on the ...more »
    1676. Kidney damage -- Paint solvents
     Damage or injury to kidneys caused by exposure to paint solvents. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimatel...more »
    1677. Kidney damage -- Paint thinners
     Damage or injury to kidneys caused by exposure to paint thinners. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimatel...more »
    1678. Kidney damage -- Paints
     Damage or injury to kidneys caused by exposure to paints. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result...more »
    1679. Kidney damage -- Paraquat ochratoxin A
     Damage or injury to kidneys caused by exposure to paraquat ochratoxin A. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ul...more »
    1680. Kidney damage -- Perchloroethylene
     Damage or injury to kidneys caused by exposure to a hydrocarbon called Perchloroethylene. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas sev...more »
    1681. Kidney damage -- Pesticide solvents
     Damage or injury to kidneys caused by exposure to pesticide solvents. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultim...more »
    1682. Kidney damage -- Pesticides
     Damage or injury to kidneys caused by exposure to pesticides. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately re...more »
    1683. Kidney damage -- Platinum
     Damage or injury to kidneys caused by exposure to platinum. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately resu...more »
    1684. Kidney damage -- Polymyxin
     Damage or injury to kidneys caused by a type of antibiotic called polymyxin. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result in kidney failure. Symptoms may be acute, subacute or chronic depending on the severi...more »
    1685. Kidney damage -- Prostaglandin synthetase inhibitors
     Damage or injury to kidneys caused by a type of analgesic called prostaglandin synthetase inhibitors. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result in kidney failure. Symptoms may be acute, subacute or chroni...more »
    1686. Kidney damage -- Rifampin
     Damage or injury to kidneys caused by a type of antibiotic called rifampin. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result in kidney failure. Symptoms may be acute, subacute or chronic depending on the severit...more »
    1687. Kidney damage -- Silica
     Damage or injury to kidneys caused by exposure to silica. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result...more »
    1688. Kidney damage -- Silicon compounds
     Damage or injury to kidneys caused by exposure to silicon compounds. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultima...more »
    1689. Kidney damage -- Silver
     Damage or injury to kidneys caused by exposure to silver. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result...more »
    1690. Kidney damage -- Solvents
     Damage or injury to kidneys caused by exposure to solvents. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately resu...more »
    1691. Kidney damage -- Styrene
     Damage or injury to kidneys caused by exposure to a hydrocarbon called styrene. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage...more »
    1692. Kidney damage -- Sulphonamides
     Damage or injury to kidneys caused by sulphonamide antibiotics. The kidney damage usually occurs as a result of an allergic reaction to the antibiotic. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result in kidney ...more »
    1693. Kidney damage -- Thallium
     Damage or injury to kidneys caused by exposure to thallium. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately resu...more »
    1694. Kidney damage -- Toluene
     Damage or injury to kidneys caused by exposure to a hydrocarbon called toluene. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage...more »
    1695. Kidney damage -- Trichloroethane
     Damage or injury to kidneys caused by exposure to a hydrocarbon called Trichloroethane. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas sever...more »
    1696. Kidney damage -- Trichloroethylene
     Damage or injury to kidneys caused by exposure to a hydrocarbon called trichloroethylene. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas sev...more »
    1697. Kidney damage -- Trimethropin
     Damage or injury to kidneys caused by a type of antibiotic called trimethropin. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result in kidney failure. Symptoms may be acute, subacute or chronic depending on the sev...more »
    1698. Kidney damage -- Uranium
     Damage or injury to kidneys caused by exposure to Uranium. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately resul...more »
    1699. Kidney damage -- analgesics
     Damage or injury to kidneys caused by analgesics such as acetaminophen and nonsteroidal anti-inflammatory drugs. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result in kidney failure. Symptoms may be acute, subacut...more »
    1700. Kidney damage -- antibiotics
     Damage or injury to kidneys caused by antibiotics. Mild kidney damage may cause few if any symptoms whereas severe damage can ultimately result in kidney failure. Symptoms may be acute, subacute or chronic depending on the severity of the toxicity. Kidney...more »
    1701. Kidney damage due to chemicals
     Damage or injury to kidneys caused by substances such as chemicals and medicines. Often other organs and tissues are also affected but only the kidney toxicity symptoms are listed below. Symptoms vary depending on the degree of exposure and hence extent o...more »
    1702. Kidney failure
     Total failure of the kidneys to filter waste...more »
    1703. Kifafa seizure disorder
     A rare form of seizure involving head nodding prior to the seizure and often associated with neurological symptoms and Parkinson-like symptoms....more »
    1704. King Cobra poisoning
     The King Cobra is a large venomous snake usually found in southeast Asia and India. Most bites from this snake results in envenomation due to the ferocity of their bite. The poison primarily affects the neuromuscular system but can also affect blood clott...more »
    1705. Kleeblattschaedel syndrome
     A very rare syndrome characterized mainly by a head the is somewhat cloverleaf shaped....more »
    1706. Klippel Feil Syndrome
     A rare congenital disorder characterized by abnormal fusion of two or more vertebrae in the neck. The disorder is often associated with other abnormalities but their incidence is highly variable....more »
    1707. Klippel Feil deformity conductive deafness absent vagina
     A rare developmental disorder occurring only in females and characterized by skeletal and genitourinary abnormalities and small stature....more »
    1708. Klippel-Feil syndrome recessive type
     A rare recessively inherited disorder characterized by abnormal fusion of two or more vertebrae in the neck. The disorder is often associated with other abnormalities but their incidence is highly variable....more »
    1709. Klippel-Feil syndrome, dominant type
     A rare dominantly inherited disorder characterized by abnormal fusion of two or more vertebrae in the neck. The disorder is often associated with other abnormalities but their incidence is highly variable....more »
    1710. Kohl-induced lead poisoning
     Kohl is a folk remedy used mainly by various ethnic groups (e.g. Africans, Asians, Indians and Pakistanis) to treat skin infections and to manage the umbilical stump. It is also used as a cosmetic in Arab communities. This folk remedy has the potential to...more »
    1711. Krause syndrome
     A syndrome involving the abnormal development of the eye and cerebral portion of the brain. It most often occurs in premature infants or an infant from a multiple birth. It is believed to possibly result from intercurrent infections in the mother, placent...more »
    1712. Kuf Disease
    1713. Kushta-induced lead poisoning
     Kushta is a folk remedy used mainly by Indian and Pakistani people as an aphrodisiac and to treat diseases involving organs such as the liver, brain, heart and stomach. This folk remedy has the potential to cause lead poisoning due to its relatively high ...more »
    1714. Kwashiorkor
     A malnutrition state that is produced by severe protein deficiency...more »
    1715. L1 Syndrome
     L1 Syndrome refers to range of disorders characterized by stiff muscles (spasticity) in the legs, reduced intelligence, excessive fluid in the brain (hydrocephalus) and abnormally bent thumbs. The range and severity of symptoms is highly variable. Disorde...more »
    1716. Labrynthitis
     Inner ear condition affecting various ear structures...more »
    1717. Lactic Acidosis, Fatal Infantile
     The excessive accumulation of lactic acid in the blood which leads to metabolic acidosis....more »
    1718. Lactose Intolerance
     Lactose intolerance is the inability to metabolize lactose, a sugar found in milk and other dairy products, because the required enzyme lactase is absent in the intestinal system or its availability is lowered....more »
    1719. Lamotrigine -- Teratogenic Agent
     There is evidence to indicate that exposure to Lamotrigine 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 »
    1720. Landau-Kleffner Syndrome
     A neurological disorder which results in aphasia, epileptic seizures and inability to recognize sounds....more »
    1721. Larsen syndrome, recessive type
     A congenital, genetic disorder characterized by many abnormalities including joint dislocations, bone abnormalities and an unusual face....more »
    1722. Lateral body wall complex
     A very rare syndrome characterized involving the absence of the whole or part of an arm or leg as well as a severe defect of the abdominal wall. Death often occurs at birth....more »
    1723. Latham-Munro syndrome
     A rare inherited syndrome characterized by deafness and mutism at birth, epilepsy and myoclonus (muscle twitching)....more »
    1724. Lathosterolosis
     A very rare disorder where an enzyme (sterol C5-desaturase) deficiency prevents the normal synthesis of cholesterol in the body. The deficiency causes various malformations, mental retardation and liver disease....more »
    1725. Lead poisoning
     A type of heavy metal poisoning caused by excessive exposure to lead....more »
    1726. Lead poisoning -- African Folk Remedies -- Kohl
     Kohl is a folk remedy used mainly by African people to treat skin infections and to manage the umbilical stump. It is also used as a cosmetic in Arab communities. This folk remedy has the potential to cause lead poisoning due to its relatively high conten...more »
    1727. Lead poisoning -- African Folk Remedies -- Surma
     Surma is a black powder used as a cosmetic as well as a folk remedy by African people to treat teething. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of...more »
    1728. Lead poisoning -- Aisan Folk Remedies -- Chuifong tokuwan
     Chuifong tokuwan is a folk remedy used mainly by Asian people to arthritis and other pain. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use...more »
    1729. Lead poisoning -- Asian Folk Remedies -- Bali goli
     Bali goli (flat black bean) is a folk remedy used mainly by Asian people to treat intestinal problems. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of l...more »
    1730. Lead poisoning -- Asian Folk Remedies -- Deshi Dewa
     Deshi Dewa is a folk remedy by Asian people as a fertility medicine. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is s...more »
    1731. Lead poisoning -- Asian Folk Remedies -- Ghasard
     Ghasard is a lead-containing tetraoxide salt used mainly by Asian and Indian people as a tonic (usually for indigestion). This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible ...more »
    1732. Lead poisoning -- Asian Folk Remedies -- Kandu
     Kandu (red powder) is a folk remedy used mainly by Asian people to treat intestinal problems. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The ...more »
    1733. Lead poisoning -- Asian Folk Remedies -- Kohl
     Kohl is a folk remedy used mainly by Asian people to treat skin infections and to manage the umbilical stump. It is also used as a cosmetic in Arab communities. This folk remedy has the potential to cause lead poisoning due to its relatively high content ...more »
    1734. Lead poisoning -- Asian Folk Remedies -- Pay-loo-ah
     Pay-loo-ah is a folk remedy used mainly by Vietnamese people to treat fever and rash. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of f...more »
    1735. Lead poisoning -- Asian Folk Remedies -- Surma
     Surma is a black powder used as a cosmetic as well as a folk remedy by Asian people to treat teething. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of l...more »
    1736. Lead poisoning -- Chinese Folk Remedies -- Ba Bow Sen
     Ba Bow Sen is a folk remedy used mainly by Chinese people to treat childhood hyperactivity and to alleviate nightmares. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to...more »
    1737. Lead poisoning -- Chinese Folk Remedies -- Cordyceps
     Cordyceps is a folk remedy by Chinese people to treat high blood pressure, bleeding problems and diabetes. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects ...more »
    1738. Lead poisoning -- Chinese Folk Remedies -- Hai Ge Fen
     Hai Ge Fen is clamshell powder used mainly by Chinese people to make traditional Chinese herbal medicines. This product has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of l...more »
    1739. Lead poisoning -- Chinese Folk Remedies -- Jin Bu Huan
     Jin Bu Huan is a folk remedy used mainly by Chinese people to treat pain. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies...more »
    1740. Lead poisoning -- Chinese Folk Remedies -- Po Ying Tan
     Po Ying Tan is a folk remedy used mainly by Chinese people to treat minor childhood complaints. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. Th...more »
    1741. Lead poisoning -- Chinese Folk Remedies -- Rueda
     Rueda is a lead-containing folk remedy used mainly by Chinese people to treat infant colic or to calm young children. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to t...more »
    1742. Lead poisoning -- Folk Remedies
     A number of folk remedies have the potential to cause lead poisoning due to their relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is still prevalent in some cultures. The high content of lead...more »
    1743. Lead poisoning -- Hispanic Folk Remedies -- Alarcon
     Alarcon is a folk remedy used mainly by Hispanic people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more sus...more »
    1744. Lead poisoning -- Hispanic Folk Remedies -- Azarcon
     Azarcon is a lead-containing tetraoxide salt used mainly by Hispanic people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. C...more »
    1745. Lead poisoning -- Hispanic Folk Remedies -- Coral
     Coral is a lead-containing tetraoxide salt used mainly by Hispanic people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Chi...more »
    1746. Lead poisoning -- Hispanic Folk Remedies -- Greta
     Greta is a lead-containing tetraoxide salt used mainly by Hispanic people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Chi...more »
    1747. Lead poisoning -- Hispanic Folk Remedies -- Liga
     Liga is a lead-containing tetraoxide salt used mainly by Hispanic people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Chil...more »
    1748. Lead poisoning -- Hispanic Folk Remedies -- Luiga
     Luiga is a folk remedy used mainly by Hispanic people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susce...more »
    1749. Lead poisoning -- Hispanic Folk Remedies -- Maria Luisa
     Maria Luisa is a lead-containing tetraoxide salt used mainly by Hispanic people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lea...more »
    1750. Lead poisoning -- Indian Folk Remedies -- Deshi Dewa
     Deshi Dewa is a folk remedy by Indian people as a fertility medicine. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is ...more »
    1751. Lead poisoning -- Indian Folk Remedies -- Kandu
     Kandu (red powder) is a folk remedy used mainly by Indian people to treat intestinal problems. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The...more »
    1752. Lead poisoning -- Indian Folk Remedies -- Kohl
     Kohl is a folk remedy used mainly by Indian people to treat skin infections and to manage the umbilical stump. It is also used as a cosmetic in Arab communities. This folk remedy has the potential to cause lead poisoning due to its relatively high content...more »
    1753. Lead poisoning -- Indian Folk Remedies -- Kushta
     Kushta is a folk remedy used mainly by the Indian people as an aphrodisiac and to treat diseases involving organs such as the liver, brain, heart and stomach. This folk remedy has the potential to cause lead poisoning due to its relatively high content of...more »
    1754. Lead poisoning -- Indian Folk Remedies -- Surma
     Surma is a black powder used as a cosmetic as well as a folk remedy by Indian people to treat teething. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of ...more »
    1755. Lead poisoning -- Iranian Folk Remedies -- Bint Al Zahab
     Bint Al Zahab is a folk remedy used mainly by Iranian people to treat infant colic and to facilitate the passage of meconium in newborns. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are m...more »
    1756. Lead poisoning -- Kuwait Folk Remedies -- Bokhoor
     Bokhoor is a traditional used mainly by Kuwait people to calm infants - it involves burning wood and lead sulphide and inhaling the fumes that are produced. This practice has the potential to cause lead poisoning due to the relatively high exposure to lea...more »
    1757. Lead poisoning -- Loas Folk Remedies -- Pay-loo-ah
     Pay-loo-ah is a folk remedy used mainly by the Hmong people from Loas to treat fever and rash. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The...more »
    1758. Lead poisoning -- Mexican Folk Remedies -- Alarcon
     Alarcon is a folk remedy used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susc...more »
    1759. Lead poisoning -- Mexican Folk Remedies -- Albayaidle
     Albayaidle is a folk remedy used mainly by Mexican people to treat digestive or stomach problems such as vomiting and colic. It is also used to treat apathy and lethargy. This folk remedy has the potential to cause lead poisoning due to its relatively hig...more »
    1760. Lead poisoning -- Mexican Folk Remedies -- Albayalde
     Albayalde is a folk remedy used mainly by Mexican people to treat digestive or stomach problems such as vomiting and colic. It is also used to treat apathy and lethargy. This folk remedy has the potential to cause lead poisoning due to its relatively high...more »
    1761. Lead poisoning -- Mexican Folk Remedies -- Azarcon
     Azarcon is a lead-containing tetraoxide salt used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Ch...more »
    1762. Lead poisoning -- Mexican Folk Remedies -- Coral
     Coral is a folk remedy used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more suscep...more »
    1763. Lead poisoning -- Mexican Folk Remedies -- Greta
     Greta is a lead-containing tetraoxide salt used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Chil...more »
    1764. Lead poisoning -- Mexican Folk Remedies -- Liga
     Liga is a lead-containing tetraoxide salt used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Child...more »
    1765. Lead poisoning -- Mexican Folk Remedies -- Luiga
     Luiga is a folk remedy used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more suscep...more »
    1766. Lead poisoning -- Mexican Folk Remedies -- Maria Luisa
     Maria Luisa is a lead-containing tetraoxide salt used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead...more »
    1767. Lead poisoning -- Middle East Folk Remedies -- Surma
     Surma is a black powder used as a cosmetic as well as a folk remedy by Middle East people to treat teething. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effect...more »
    1768. Lead poisoning -- Middle Eastern Folk Remedies -- Alkohl
     Alkohl is a folk remedy used mainly by Middle Eastern people to treat skin infections and to manage the umbilical stump. It is also used as a cosmetic in Arab communities. This folk remedy has the potential to cause lead poisoning due to its relatively hi...more »
    1769. Lead poisoning -- Middle Eastern Folk Remedies -- Anzroot
     Anzroot is a folk remedy used mainly by Middle Eastern people to treat gastroenteritis. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of...more »
    1770. Lead poisoning -- Middle Eastern Folk Remedies -- Cebagin
     Cebagin is a folk remedy used mainly by Middle Eastern people to treat teething. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk r...more »
    1771. Lead poisoning -- Middle Eastern Folk Remedies -- Henna
     Henna is used mainly by Middle Eastern people as a hair and skin dye. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is ...more »
    1772. Lead poisoning -- Middle Eastern Folk Remedies -- Kohl
     Kohl is a folk remedy used mainly by Middle Eastern people to treat skin infections and to manage the umbilical stump. It is also used as a cosmetic in Arab communities. This folk remedy has the potential to cause lead poisoning due to its relatively high...more »
    1773. Lead poisoning -- Middle Eastern Folk Remedies -- Saoot
     Saoot is a folk remedy used mainly by Middle Eastern people to treat digestive eye injuries, teething and to manage the umbilical stump in newborns. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Chi...more »
    1774. Lead poisoning -- Pakistan Folk Remedies -- Kohl
     Kohl is a folk remedy used mainly by Pakistani people to treat skin infections and to manage the umbilical stump. It is also used as a cosmetic in Arab communities. This folk remedy has the potential to cause lead poisoning due to its relatively high cont...more »
    1775. Lead poisoning -- Pakistan Folk Remedies -- Kushta
     Kushta is a folk remedy used mainly by the Pakistani people as an aphrodisiac and to treat diseases involving organs such as the liver, brain, heart and stomach. This folk remedy has the potential to cause lead poisoning due to its relatively high content...more »
    1776. Lead poisoning -- Pakistan Folk Remedies -- Surma
     Surma is a black powder used as a cosmetic as well as a folk remedy by Pakistani people to treat teething. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects ...more »
    1777. Lead poisoning -- Pakistani eye cosmetics
     Exposure to lead can result from the use of Pakistani eye cosmetics contaminated with lead. The most frequent cases have been noted in children as they are more sensitive to the effects of lead. Lead exposure can cause elevated levels of lead in the blood...more »
    1778. Lead poisoning -- Saudi Arabian Folk Remedies -- Al Murrah
     Al Murrah is a folk remedy used mainly by Saudi Arabian people to treat problems such as stomach pain, diarrhea and colic. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible...more »
    1779. Lead poisoning -- Saudi Arabian Folk Remedies -- Bint Dahab
     Bint Dahab is a folk remedy used mainly by Saudi Arabian people to treat such things as constipation, diarrhea, colic and various other infant conditions. It is also used by Saudi Arabian jewelers. This folk remedy has the potential to cause lead poisonin...more »
    1780. Lead poisoning -- Saudi Arabian Folk Remedies -- Bokhoor
     Bokhoor is a traditional used mainly by Saudi Arabian people to calm infants - it involves burning wood and lead sulphide and inhaling the fumes that are produced. This practice has the potential to cause lead poisoning due to the relatively high exposure...more »
    1781. Lead poisoning -- Saudi Arabian Folk Remedies -- Farouk
     Farouk is a folk remedy by Saudi Arabian people to treat teething. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is sti...more »
    1782. Lead poisoning -- Saudi Arabian Folk Remedies -- Santrinj
     Santrinj is a paint primer but is also used as a folk remedy mainly by Saudi Arabian people to treat teething and gum boils. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptib...more »
    1783. Lead poisoning -- Saudi Folk Remedies -- Traditional Saudi medicine
     Traditional Saudi medicine is a folk remedy used mainly by Saudi people to treat teething and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of ...more »
    1784. Lead poisoning -- Tamarind candy
     Eating tamarind candy jam products made in Mexico can lead to exposure to lead as the product is often packaged in lead-containing containers which can leach lead. The most frequent cases have been noted in children as they are more sensitive to the effec...more »
    1785. Lead poisoning -- Tibetan Folk Remedies -- Tibetan herbal vitamin
     Tibetan herbal vitamin is a folk remedy used mainly by Tibetan people to improve brain functioning. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead...more »
    1786. 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 »
    1787. Leigh syndrome
     A rare, progressive, neurological disorder characterized by the degeneration of the brain and impaired function of various body organs. The condition is caused by a systemic deficiency of the cytochrome C oxidase enzyme....more »
    1788. Leigh syndrome, French Canadian type
     A rare, progressive, inherited metabolic disorder where a deficiency of the enzyme cytochrome C oxidase affects skeletal muscles, connective tissue, brain and liver....more »
    1789. Leigh syndrome, Saguenay-Lac-St. Jean type
     A rare, progressive, inherited metabolic disorder where a deficiency of the enzyme cytochrome C oxidase affects skeletal muscles, connective tissue, brain and liver....more »
    1790. 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 »
    1791. Lennox-Gastaut Syndrome
     A form of epilepsy that occurs mostly in preschool-aged children and is characterized mainly by absences....more »
    1792. Leucinosis
     A term used to describe high levels of leucine in the body. It is associated with a metabolic disorder called maple syrup urine disease where there is a deficiency of an enzyme needed to break down leucine so it builds up within the body....more »
    1793. Leukemia
     Cancer of the blood cells, usually white blood cells....more »
    1794. Leukemia, T-Cell
     A form of blood cancer characterized by the proliferation of cancerous T-cells which make up part of the body's immune system. The exact symptoms and progression vary depending on the subtype involved....more »
    1795. Leukodystrophy
     A very rare group of metabolic diseases where chemical anomalies affect the development or maintenance of the protective coating around nerves (myelin sheath). The brain, spinal cord and peripheral nerves may be involved. The range and severity of symptom...more »
    1796. Leukodystrophy with oligodontia
     A very rare syndrome characterized mainly by missing teeth and progressive ataxia....more »
    1797. Leukoencephalopathy
     Immune destruction of the myelin cover of nerves....more »
    1798. Leukoencephalopathy, arthritis, colitis, and hypogammaglobulinema
     A rare condition characterized by the association of arthritis, colitis, low blood gammaglobulin levels and brain anomalies....more »
    1799. Leukomalacia
     Softening or destruction of the white matter of the brain. Brain tissue that surrounds fluid-filled parts of the brain (ventricles) is destroyed. It tends to occur mainly in premature or newborn babies who have been deprived of oxygen or have poor blood f...more »
    1800. Levine-Critchley syndrome
     A very rare inherited disorder mainly involving progressive muscle weakness and wasting, abnormal limb movement, progressive cognitive loss and red blood cell abnormalities....more »
    1801. Lhermitte-Duclos disease
     A rare disorder characterized by a slow growing brain tumor located in the cerebellum....more »
    1802. Li-Fraumeni syndrome
     A rare inherited disorder characterized by tumor development by young adulthood....more »
    1803. Liga-induced lead poisoning
     Liga is a lead-containing tetraoxide salt used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Child...more »
    1804. Limbic encephalitis
     Inflammation of the limbic system which is the part of the brain responsible for basic autonomic functions....more »
    1805. Lindstrom syndrome
     A rare disorder characterized by mental retardation, facial anomalies, short stature and seizures....more »
    1806. Lipomyelomeningocele
     A rare congenital condition where a fatty mass is attached to the spinal cord and protrudes through a defect in the spinal cord. It forms a mass under the skin and damage to this mass or compression of adjacent spinal cord can have neurological consequenc...more »
    1807. Lipoproteinemia
     A disorder in which the proteins that carry fat around the body are defective....more »
    1808. Lissauer paralysis
     Diffuse degeneration of one side of the cerebral cortex which causes dementia, weakness and seizures....more »
    1809. Lissencephaly
     A very rare disorder characterized by abnormal brain formation so that the brain surface appears smooth rather than convoluted....more »
    1810. Lissencephaly 3
     A rare brain malformation where the surface of the brain is smoother than normal. The brain abnormality causes symptoms such as mental retardation and seizures. The severity of the disorder is variable and is caused by a genetic defect on chromosome 12q12...more »
    1811. Lissencephaly syndrome type 1
     A very rare form of the brain formation disorder called lissencephaly where the brain surface is abnormally smooth rather than convoluted resulting in mental retardation. Physical malformations are also present....more »
    1812. Lissencephaly type 1, due to LIS 1 anomalies
     A rare brain malformation where the surface of the brain is smoother than normal. Type 1 is caused by a defect on the LIS1 gene on chromosome 17p13.3. The severity of the symptoms are variable depending on the severity of the brain abnormality. Miller-Die...more »
    1813. Lissencephaly type 2
     A developmental brain abnormality where the surface of the brain has a bumpy or granular appearance. Syndromes associated with cobblestone Lissencephaly include Fukuyama syndrome and Walker-Warburg syndrome....more »
    1814. Lissencephaly type III -- familial foetal akinesia sequence
     A rare brain malformation where the surface of the brain is smoother than normal. Fetal akinesia sequence is also present and is characterized by the absence of fetal movement and degeneration of the brain and spinal cord....more »
    1815. Lissencephaly type III -- metacarpal bone dysplasia
     A rare syndrome characterized by an abnormally smooth brain as well as abnormal bone development in the hands....more »
    1816. Lissencephaly with cerebellar hypoplasia
     Abnormal brain development characterized by an abnormally smooth brain surface and an underdeveloped cerebellum. The severity of the disorder is variable but often involves seizures and mental retardation....more »
    1817. Lissencephaly with cerebellar hypoplasia, recessive
     Abnormal brain development where the brain is abnormally smooth and the cerebellum is underdeveloped....more »
    1818. Lissencephaly, X-linked, 1
     Abnormal brain development resulting in an abnormally smooth brain surface which results in neurological symptoms such as mental retardation. This particular type is inherited in a X-linked manner is caused by a defect in the doublecortin gene on chromoso...more »
    1819. Lissencephaly, type 1, X-linked
     Abnormal brain development characterized by an abnormally smooth brain. This form of the disorder is inherited in a X-linked manner (defect on the DCX gene) and the corpus callosum fails to develop. Males tend to be affected more severely than females....more »
    1820. Listeriosis
     Bacterial food poisoning...more »
    1821. Listeriosis -- granulomatous infantiseptica
     Listeria monocytogenes infection that is transmitted from a pregnant woman to the fetus....more »
    1822. Listeriosis meningoencephalitis
     Listeria monocytogenes infection of the brain and meninges that can occur in immunocompromised people or newborns....more »
    1823. Lithium -- Teratogenic Agent
     There is evidence to indicate that exposure to Lithium 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 »
    1824. Liver cancer
     Hepatocellular carcinoma (HCC) is a primary malignancy of the liver....more »
    1825. Liver failure
     Acute liver failure (ALF) is an uncommon condition in which the rapid deterioration of liver function results in coagulopathy and alteration in the mental status of a previously healthy individual....more »
    1826. Liver vein outflow obstruction
     Budd-Chiari syndrome is the clinical picture caused by occlusion of the hepatic veins. It presents with the classical triad of abdominal pain, ascites and hepatomegaly....more »
    1827. Lobelia poisoning
     Lobelia is a herbaceous plant which bears elongated shafts of small blue, white or red flowers. The plant contains alkaloids such as lobeline which can result in similar effects to nicotine. The plant is sometimes used in herbal preparations which is usua...more »
    1828. Lockwood-Feingold syndrome
     A rare genetic disorder characterized mainly by arthritis, skeletal abnormalities and a lack of subcutaneous fat....more »
    1829. Long QT syndrome type 10
     A genetic heart disorder characterized by an abnormal heart rhythm (long Q-T interval) where the heart takes longer than normal to recharge between beats. The severity of the condition can vary. Type 10 is distinguished from other types by the origin of t...more »
    1830. Long QT syndrome type 11
     A genetic heart disorder characterized by an abnormal heart rhythm (long Q-T interval) where the heart takes longer than normal to recharge between beats. The severity of the condition can vary. Type 11 is distinguished from other types by the origin of t...more »
    1831. Long QT syndrome type 2
     A genetic heart disorder characterized by an abnormal heart rhythm (long Q-T interval) where the heart takes longer than normal to recharge between beats. The severity of the condition can vary. Type 3 is distinguished from other types by the origin of th...more »
    1832. Long QT syndrome type 3
     A genetic heart disorder characterized by an abnormal heart rhythm (long Q-T interval) where the heart takes longer than normal to recharge between beats. The severity of the condition can vary. Type 3 is distinguished from other types by the origin of th...more »
    1833. Long QT syndrome type 4
     A very rare genetic heart disorder characterized by an abnormal heart rhythm (long Q-T interval) where the heart takes longer than normal to recharge between beats. The severity of the condition can vary. Type 4 is distinguished from other types by the or...more »
    1834. Long QT syndrome type 5
     A genetic heart disorder characterized by an abnormal heart rhythm (long Q-T interval) where the heart takes longer than normal to recharge between beats. The severity of the condition can vary. Type 5 is distinguished from other types by the origin of th...more »
    1835. Long QT syndrome type 6
     A genetic heart disorder characterized by an abnormal heart rhythm (long Q-T interval) where the heart takes longer than normal to recharge between beats. The severity of the condition can vary. Type 6 is distinguished from other types by the origin of th...more »
    1836. Long QT syndrome type 9
     A genetic heart disorder characterized by an abnormal heart rhythm (long Q-T interval) where the heart takes longer than normal to recharge between beats. The severity of the condition can vary. Type 9 is distinguished from other types by the origin of th...more »
    1837. Long QT syndrome, familial
     A familial heart condition which is characterized by prolongation of the QT interval of the heart rhythm. Exercise or excitement can exacerbate symptoms....more »
    1838. Lovastatin -- Teratogenic Agent
     There is evidence to indicate that exposure to Lovastatin 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 »
    1839. Lubs X-linked mental retardation syndrome
     A severe inherited form of X-linked mental retardation....more »
    1840. Lucey Driscoll syndrome
     A rare condition characterized by severe jaundice at birth and caused by the presence of a gestational hormone that passes from the mother to the infant across the placenta but eventually disappears after birth. Excessive jaundice result in kernicterus ca...more »
    1841. Luiga-induced lead poisoning
     Coral is a folk remedy used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more suscep...more »
    1842. Lupus
     Autoimmune disease with numerous effects on various organs and linings....more »
    1843. Lymphangiectasies and lymphedema Hennekam type
     A rare disorder characterized by buildup of lymphatic fluid in the limbs, face and genitals, seizures and mental and growth retardation....more »
    1844. Lymphocytic Choriomeningitis
     Rodent-borne viral disease often causing meningitis or encephalitis...more »
    1845. Lymphoedema -- lymphangiectasia -- mental retardation
     A rare disorder characterized by buildup of lymphatic fluid in the limbs, face and genitals, seizures and mental and growth retardation....more »
    1846. Lymphoma
     Cancer involving lymph nodes and the immune system....more »
    1847. Lymphomatoid Granulomatosis
     A rare, progressive blood vessel disease where nodular lesions destroy blood vessels - lungs, skin and nervous system are mainly involved....more »
    1848. 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 »
    1849. 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 »
    1850. Lysergic Acid Diethylamide -- Teratogenic Agent
     There is evidence to indicate that exposure to Lysergic Acid Diethylamide 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 »
    1851. Lyssavirus
     A group of viruses that infect mammals and arthropods...more »
    1852. 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 »
    1853. MASA Syndrome
     A very rare inherited disorders characterized by mental retardation (M), aphasia (A), shuffling walk (S) and adducted thumbs (A). The symptoms are variable from case to case but mental retardation is a consistent feature....more »
    1854. MELAS
     A mitochondrial disorder characterized by stroke-like episodes, headaches, vomiting and other neurological symptoms....more »
    1855. MGA 4
     MGA (methylglutaconic aciduria) is a rare genetic disorder where the body's cells are unable to make sufficient energy resulting in an accumulation in the body of 3-methylglutaconic acid. Type 4 is characterized by symptoms which overlap type 1 and 3....more »
    1856. MN1
     A rare genetic defect that can cause meningiomas to develop. A meningioma is a tumor of the meninges which is a membrane that encloses the brain and spinal cord The genetic defect occurs on chromosome 22. The tumor is usually slow-growing and benign....more »
    1857. MRXS-Christianson
     A very rare syndrome characterized mainly by mental retardation, mutism, facial anomalies, epilepsy and weak eye muscles. Males tended to have severe mental retardation whereas female carriers had mild or no mental retardation. Patients do eventually walk...more »
    1858. MacDermot-Winter syndrome
     A very rare syndrome characterized mainly by a small head, underdeveloped genitalia and a protrusion of the area between the eyes (glabella)....more »
    1859. Machupo virus
     A virus which is the cause of a form of hemorrhagic fever occurring in Bolivia...more »
    1860. Macrocephaly, mental retardation, short stature, spastic paraplegia and CNS malformations
     A very rare syndrome characterized mainly by a large head, short stature and central nervous system problems....more »
    1861. Macrogyria, pseudobulbar palsy and mental retardation
     A very rare syndrome characterized mainly by abnormal brain development which results in mild mental retardation, epilepsy, developmental delay and pseudobulbar palsy which affects speech, chewing and swallowing functions....more »
    1862. Magnesium deficiency
     A deficiency in the magnesium stores of the body...more »
    1863. Mal de debarquement
     Imbalance that occurs after being exposed to motion such as on a boat. It differs to normal motion sickness in that symptoms can last months or even years and may be quite debilitating....more »
    1864. Malabsorption
     Failure to digest nutrients properly...more »
    1865. 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 »
    1866. Malaria
     A parasitic disease transmitted through mosquito bites....more »
    1867. Malformations in neuronal migration
     A rare disorder where the brain fails to develop normally - usually the cerebral cortex is involved. Various parts of the brain can be affected to various degrees depending on what stage of development the defect occurs. Mental retardation is one of the m...more »
    1868. Malignant Jaundice
     Jaundice due to an obstruction or blockage in one of the bile ducts by a tumor. Bile ducts are vessels which carry bile from the liver to the digestive system or gallbladder....more »
    1869. Malignant astrocytoma
     A very malignant primary brain tumor consisting of astrocytes. The tumor spreads throughout the brain and a third of patients dying in the first year....more »
    1870. 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 »
    1871. Malignant hypertension
     Malignant hypertension is a condition characterized by very high blood pressure and swelling of the optic nerve. This type of hypertension is more common in people with kidney problems such as narrowed kidney blood vessels. The condition is a medical emer...more »
    1872. Malignant obstructive biliary disease
     Obstruction or blockage in one of the bile ducts by a tumor. Bile ducts are vessels which carry bile from the liver to the digestive system or gallbladder. Jaundice is usually one of the main symptoms....more »
    1873. 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 »
    1874. Malonic aciduria
     A very rare genetic disorder where a deficiency of a particular enzyme (malonyl-CoA decarboxylase) impairs the body's ability to convert fatty acids into energy that can be used by muscles such as the heart muscle. Fatty acids also accumulate in the body ...more »
    1875. Mann syndrome
     Symptoms caused by trauma resulting in bruising of the brain. When standing with their eyes closed, patients tend to sway towards the side of the brain injury....more »
    1876. Maple syrup urine disease
     A very rare inherited metabolic disorder involving abnormal metabolism of branched chain amino acids (leucine, isoleucine and valine) and resulting in severe illness which generally leads to death if not treated. Other milder variants of the disease do ex...more »
    1877. Maple syrup urine disease, type 1A
     A very rare inherited metabolic disorder involving abnormal metabolism of branched chain amino acids (leucine, isoleucine and valine) and resulting in severe illness which generally leads to death if not treated. Even mild form can result in mental and ph...more »
    1878. Maple syrup urine disease, type 1B
     A very rare inherited metabolic disorder involving abnormal metabolism of branched chain amino acids (leucine, isoleucine and valine) and resulting in severe illness which generally leads to death if not treated. Even mild form can result in mental and ph...more »
    1879. Maple syrup urine disease, type 2
    1880. Maple syrup urine disease, type 3
    1881. Maple syrup urine disease, type II
     A very rare inherited metabolic disorder involving abnormal metabolism of branched chain amino acids (leucine, isoleucine and valine) and resulting in severe illness which generally leads to death if not treated. Even mild form can result in mental and ph...more »
    1882. Maple syrup urine disease, type III
     A very rare inherited metabolic disorder involving abnormal metabolism of branched chain amino acids (leucine, isoleucine and valine) and resulting in severe illness which generally leads to death if not treated. Even mild form can result in mental and ph...more »
    1883. Marburg multiple sclerosis
     Malignant Multiple Sclerosis, is a particularly aggressive form of the disease. Thankfully very rare, this highly aggressive form is defined by its swift and relentless decline to significant disability or even death, often within a few weeks or months af...more »
    1884. Marginal glioneuronal heterotopia
     A rare inherited disorder where a part of the brain tissue is misplaced during development. The disorder is usually asymptomatic on its own and is only discovered accidentally....more »
    1885. Maria Luisa-induced lead poisoning
     Maria Luisa is a lead-containing tetraoxide salt used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead...more »
    1886. Marie-Seé Syndrome
     A sudden buildup of fluid inside the skull (hydrocephalus) in infants who are given large doses of vitamin A. Symptoms tend to occur about 12 hours after the receiving the vitamin A and usually last for a day or two....more »
    1887. Marijuana abuse
     Illicit depressant/hallucinogenic drug...more »
    1888. Marinesco-Sjogren syndrome
     A group of recessively inherited disorder characterized mainly by incoordination due to a brain anomaly....more »
    1889. Marinesco-Sjogren-like syndrome (MSLS)
     A very rare disorder characterized by cataracts (during childhood), mental retardation, muscle weakness and brain degeneration. The disorder is very similar to another syndrome called Marinesco-Sjogren syndrome....more »
    1890. 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 »
    1891. Mastocytosis -- short stature -- hearing loss
     A very rare syndrome characterized mainly by short stature, abnormal skin pigmentation, small ears and hearing impairment....more »
    1892. Mastocytosis, cutaneous, with short stature, conductive hearing loss and microtia
     A very rare syndrome characterized mainly by short stature, abnormal skin pigmentation, small ears and hearing impairment....more »
    1893. Mastoiditis
     Inflammation of a bone behind the ear...more »
    1894. Maternally Inherited Leigh Syndrome
     A rare condition where Leigh syndrome is inherited from the mother. Leigh syndrome is characterized by degeneration of the brain and impaired function of various organs....more »
    1895. May-White syndrome
     A rare inherited disorder characterized by involuntary muscle twitching, balance and coordination problems (cerebellar ataxia) and hearing loss....more »
    1896. Mayer-Rokitansky-Kuster-Hauser, syndrome, type 2 (MRKH type 2)
     A rare developmental disorder occurring only in females and characterized by skeletal and genitourinary abnormalities and small stature....more »
    1897. Measles
     Once common viral infection now rare due to vaccination....more »
    1898. Measles Encephalitis in Children with Immunosuppression
     A rare complication of the measles virus. Some patients with a history of measles before the age of two develop progressive brain inflammation. The condition is rare and tends to only occur only in immunosuppressed children e.g. those who have acute lymph...more »
    1899. Meckel Syndrome
     A rare genetic disorder involving numerous abnormalities and characterized by death within the first few weeks....more »
    1900. Mediterranean Spotted Fever
     A condition caused by Rickettsia rickettsia transmitted by the tick...more »
    1901. Mediterranean myoclonic epilepsy
     A rare inherited type of progressive myoclonus epilepsy which tends to cause symptoms during childhood. The involuntary muscle movements tend to occur more frequently and become more severe with increasing age. Symptoms may occur following various stimuli...more »
    1902. Medium and long chan 3-hydroxyacyl-coenzyme A dehydrogenase deficiency
     A metabolic disorder characterized by the deficiency of an enzyme (3-hydroxyacyl-coenzyme A dehydrogenase) which is needed to metabolise long and medum-chain fatty acids. The severity of symptoms may vary depending on the degree of the deficiency....more »
    1903. Medium-Chain Acyl-CoA Dehydrogenase Deficiency
     A rare disorder where the body lacks enzymes needed to convert some fats (medium-chain fatty acids) into energy and hence these fats build up in the body and cause damage....more »
    1904. Medulloblastoma
     A type of brain tumor....more »
    1905. Mefenamic Acid -- 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 »
    1906. Megalencephalic leukoencephalopathy with subcortical cysts
     A very rare syndrome characterized mainly by a progressive brain destruction that causes mental retardation and incoordination that starts early in life....more »
    1907. Megalencephaly -- cutis marmorata telangiectatica congenita
     A very rare syndrome characterized mainly by an enlarged brain, neurological abnormalities and a blood vessel abnormality that gives the skin a marbled appearance....more »
    1908. Megalencephaly -- polymicrogyria -- post-axial polydactyly -- hydrocephalus
     A rare syndrome characterized mainly by brain abnormalities, extra digits and a excess fluid inside the skull....more »
    1909. Megaloblasti Anemia, 1
     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 »
    1910. 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 »
    1911. Megaloblastic Anemia, Familial
     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 »
    1912. Megaloblastic anemia
     A rare blood disorder where insufficient vitamin B12 absorption results in reduced production of red blood cells and increased levels of abnormal, enlarged red blood cells (megaloblasts). Vitamin B12 insufficiency can result from absorption problems or la...more »
    1913. Melanoma
     Melanoma is the most dangerous type of skin cancer. It is the leading cause of death from skin disease. It involves cells called melanocytes, which produce a skin pigment called melanin. Melanin is responsible for skin and hair color....more »
    1914. Melanoma -- astrocytoma syndrome
     A rare syndrome characterized by the association of a melanoma with a type of brain tumor called an astrocytoma. The exact symptoms may vary depending on the exact location of the brain tumor....more »
    1915. Melioidosis
     Bacterial infection from soil or water....more »
    1916. Meningeal angiomatosis -- cleft hypoplastic left heart
     A very rare genetic disorder characterized by an underdeveloped left heart and abnormal brain development....more »
    1917. Meninges cancer
     A disorder where a cancerous malignancy is found in the meninges of the brain...more »
    1918. Meningioma
     A slow-growing tumor of the meninges that is not cancerous. Symptoms are determined by the size and location of the tumor....more »
    1919. Meningitis
     Dangerous infection of the membranes surrounding the brain....more »
    1920. Meningocele
     A condition which is characterized by a protrusion of the meninges of the brain or spinal cord through a defect in the spinal cord...more »
    1921. 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 »
    1922. Meningococcal B
     Meningococcal meningitis B is an infection that causes inflammation of the membranes covering the brain and spinal cord....more »
    1923. Meningococcal C
     Meningitis C is a strain of meningococcal meningitis, a bacterial infection of the membranes surrounding the brain and spinal cord....more »
    1924. Meningococcal disease
     Dangerous bacterial infection causing meningitis or bacteremia....more »
    1925. Meningoencephalocele
     A very rare developmental disorder where a part of the membrane that covers the brain and or part of the brain itself protrudes through an abnormal opening in the skull. The condition may be asymptomatic or if the defect is large, severe neurological abno...more »
    1926. Menkes Disease
     Genetic disease of copper deficiency....more »
    1927. Menopause
     The end of female menstruation and fertility....more »
    1928. Mental Retardation -- Pterygia -- Shortness -- Distinctive Facial Appearance
     A very rare syndrome characterized mainly by short stature, underdeveloped genitals and various skull and facial anomalies....more »
    1929. Mental Retardation, Autosomal Dominant, 1
     A form of mental retardation inherited mental retardation linked to a defect on chromosome 2q23.1....more »
    1930. Mental Retardation, Autosomal Dominant, 2
     A form of mental retardation inherited mental retardation linked to a defect on chromosome 9p24....more »
    1931. Mental Retardation, Autosomal Dominant, 3
     A form of mental retardation inherited mental retardation linked to a defect on chromosome 16q24.3....more »
    1932. Mental Retardation, Autosomal Dominant, 4
     A form of mental retardation inherited mental retardation linked to a defect on chromosome 11q24.2....more »
    1933. Mental Retardation, Autosomal Dominant, 5
     A form of mental retardation inherited mental retardation linked to a defect on chromosome 6p21.3....more »
    1934. Mental retardation -- epilepsy, X-linked
     A rare inherited disorder characterized by the association of mental retardation with epilepsy. The disorders are inherited in a X-linked manner which means that only males display the full range of symptoms whereas female carriers may have mild or no sym...more »
    1935. Mental retardation -- epileptic seizures -- hypogonadism -- hypogenitalism -microcephaly -- obesity
     A very rare syndrome characterized mainly by mental deficiency, epilepsy, small head, small genitals and obesity. Death occurs within the first two years of life....more »
    1936. Mental retardation -- hypocupremia -- hypobetalipoproteinemia
     A very rare syndrome characterized mainly by mental retardation, low blood copper levels and low betalipoprotein levels in the blood....more »
    1937. Mental retardation -- short broad thumbs
     A very rare syndrome characterized mainly by mental retardation and short, broad thumbs....more »
    1938. Mental retardation X-linked dysmorphism
     A very rare syndrome characterized mainly by mental retardation, partially dislocated knees and teeth and facial abnormalities....more »
    1939. Mental retardation X-linked, South African type
     A very rare syndrome characterized mainly by mental retardation, mutism, facial anomalies, epilepsy and weak eye muscles. Males tended to have severe mental retardation whereas female carriers had mild or no mental retardation....more »
    1940. Mental retardation progressive spasticity
     A condition characterized by mental retardation and progressive spasticity....more »
    1941. Mental retardation progressive spasticity, X-linked
     A very rare syndrome characterized mainly by mental retardation and progressive spasticity and seizures. The disorder is X-linked and hence only affects males....more »
    1942. Mental retardation unusual facies ampola type
     A rare genetic disease characterized primarily by mental retardation, facial anomalies, short stature, seizures and finger and toe abnormalities....more »
    1943. Mental retardation, Buenos Aires type
     A very rare syndrome characterized mainly by mental retardation, physical retardation, unusual facial appearance and heart and kidney defects....more »
    1944. Mental retardation, Microcephaly, Epilepsy and Ataxia Syndrome
     A very rare syndrome characterized mainly by mental retardation, mutism, facial anomalies, epilepsy and weak eye muscles. Males tended to have severe mental retardation whereas female carriers had mild or no mental retardation. Patients do eventually walk...more »
    1945. Mental retardation, Smith-Fineman-Myers type
     A rare inherited disorder characterized mainly by mental retardation and low facial muscle tone....more »
    1946. Mental retardation, Wolff type
     A very rare syndrome characterized mainly by severe mental retardation and facial anomalies. The parents came from the same bloodline....more »
    1947. Mental retardation, X-linked -- Dandy Walker malformation -- Basal ganglia disease -- Seizures
    1948. Mental retardation, X-linked -- corpus callosum agenesis -- spastic quadriparesis
     A rare disorder characterized by mental retardation, abnormal development of a part of the brain called the corpus callosum and spastic quadriparesis. The disorder is inherited in a X-linked manner which means that only males display the full range of sym...more »
    1949. Mental retardation, X-linked -- craniofacial dysmorphology -- epilepsy -- ophthalmoplegia -- cerebellar atrophy
     A very rare syndrome characterized mainly by mental retardation, mutism, facial anomalies, epilepsy and weak eye muscles. Males tended to have severe mental retardation whereas female carriers had mild or no mental retardation. Patients do eventually walk...more »
    1950. Mental retardation, X-linked -- epilepsy -- progressive joint contractures -- typical face
     A rare disorder characterized by mental retardation, epilepsy, unusual facial appearance and slowly-progressive joint contractures. The disorder is inherited in a X-linked manner which means that only males display the full range of symptoms whereas femal...more »
    1951. Mental retardation, X-linked -- hypotonia -- recurrent Infections
     A severe inherited form of X-linked mental retardation....more »
    1952. Mental retardation, X-linked -- seizures -- psoriasis
     A rare syndrome characterized mainly by mental retardation, seizures and a skin disorder....more »
    1953. Mental retardation, X-linked syndromic 12
     A syndromic form of mental retardation which also involves mutism, retarded growth, seizures and frequent infections. The disorder is inherited in a X-linked manner which means that only males display the full range of symptoms whereas female carriers may...more »
    1954. Mental retardation, X-linked with brachydactyly and macroglossia
     A syndromic form of mental retardation which also involves short digits and an enlarged tongue. The disorder is inherited in a X-linked manner which means that only males display the full range of symptoms whereas female carriers may have mild or no sympt...more »
    1955. Mental retardation, X-linked, 12
     A rare form of mental retardation inherited in a X-linked manner. It occurs as a result of a defect on chromosome Xp11....more »
    1956. Mental retardation, X-linked, 94
     A rare form of mental retardation inherited in a X-linked manner. It occurs as a result of a defect in the GRIA3 gene on chromosome Xq25-q26....more »
    1957. Mental retardation, X-linked, Armfield type
     A rare disorder characterized by mental retardation, seizures, short stature, small hands and small feet. The disorder is X-linked and hence only males exhibit the symptoms. The genetic defect occurs on chromosome Xq28....more »
    1958. Mental retardation, X-linked, Reish type
     A rare disorder characterized by mental retardation, brain anomalies, skeletal malformations, intestinal problems, eye and ear anomalies, cleft palate and kidney abnormalities. Some infants with the disorder die soon after birth due to breathing problems....more »
    1959. Mental retardation, X-linked, with cerebellar hypoplasia and distinctive facial appearance
     A very rare syndrome characterized by moderate to severe mental retardation, unusual facial appearance and an underdeveloped brain....more »
    1960. Mental retardation, epileptic seizures, hypogonadism and hypogenitalism, microcephaly, and obesity
     A very rare syndrome characterized mainly by mental deficiency, epilepsy, small head, small genitals and obesity. Death occurs within the first two years of life....more »
    1961. Mercury poisoning
     A type of heavy metal poisoning caused by excessive exposure to mercury....more »
    1962. Mercury poisoning -- Folk Remedies
     Various folk remedies and medicines contain inorganic mercury and mercury salts. They can lead to mercury poisoning and severe cases can result in death. Children tend to be more sensitive to the effects of mercury poisoning than adults. Even low levels o...more »
    1963. Mercury poisoning -- consumption of contaminated fish
     Eating fish contaminated with mercury can lead to mercury poisoning in humans. The severity and range of symptoms experienced can vary greatly depending on the level and duration of exposure. Severe poisoning can lead to death. Pregnant women who eat merc...more »
    1964. Metabolic Acidosis
     Metabolic acidosis is a process which if unchecked leads to acidemia (i.e. blood pH is low (less than 7.35) due to increased production of H+ by the body or the inability of the body to form bicarbonate (HCO3-) in the kidney....more »
    1965. Metabolic disorders
     Disorders that affect the metabolic system in human...more »
    1966. Metabolic encephalopathy
     Metabolic encephalopathy is temporary or permanent damage to the brain due to lack of glucose, oxygen or other metabolic agent, or organ dysfunction....more »
    1967. Metachromatic Leukodystrophy
     An inherited biochemical deficiency involving a deficiency of the enzyme called arylsulfatase A which leads to a harmful buildup of fatty material in the body....more »
    1968. Metastatic insulinoma
     A rare form of pancreatic cancer that causes excessive secretion of the hormone insulin and can spread to other parts of the body (metastasis)....more »
    1969. Metformin -- Teratogenic Agent
     There is evidence to indicate that exposure to Metformin 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 »
    1970. Methaemoglobinemia
     A condition which is characterized by the occurrence of methemoglobin in the blood...more »
    1971. Methamphetamine -- Teratogenic Agent
     There is evidence to indicate that exposure to Methamphetamine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exp...more »
    1972. Methamphetamine overdose
     Methamphetamine is a prescription drug mainly used to treat ADHD . Excessive doses of the drug can result in various symptoms and even death in severe cases....more »
    1973. Methotrimeprazine -- Teratogenic Agent
     There is evidence to indicate that exposure to Methotrimeprazine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of e...more »
    1974. Methylcobalamin deficiency, cbl E complementation type
     An inherited organic acid disorder where an enzyme deficiency (cbl E) impairs the body's ability to break down cobalamin in the diet. This results in a buildup of homocystine which results in harmful affects....more »
    1975. Methylene tetrahydrofolate reductase deficiency
     A inborn error of metabolism where an inherited deficiency of methylene tetrahydrofolate reductase causes symptoms of ranging severity - from asymptomatic to severe neurological degeneration and premature death....more »
    1976. Methylmalonic acidemia
    1977. Methylmalonic acidemia, synthesis defect of AdoCbl and MeCbl
     An inherited organic acid disorder where an enzyme deficiency impairs the body's ability to break down certain proteins (methionine, threonine, isoleucine and valine) consumed in the diet. This results in a buildup of glycine and methylmalonic acid which ...more »
    1978. Methylmalonic acidemia, vitamin B12 responsive
     A rare genetic disorder characterized by the impaired ability to make a chemical called adenosylcobalamin. Adenosylcobalamin is a derivative of vitamin B12. The defect results a biochemical abnormality which affects the body's normal biochemical functioni...more »
    1979. Methylmalonic aciduria -- homocystinuria
     A rare group of disorders characterized by methylmalonic aciduria and homocystinuria resulting from abnormal metabolism of vitamin B12 by the liver. There are various subtypes of the condition with varying ages of onset and severity of symptoms....more »
    1980. Methylmalonic aciduria -- microcephaly -- cataract
     A very rare syndrome characterized mainly by excess methylmalonic acid in the urine, small head and cataracts....more »
    1981. Methylmalonicaciduria with homocystinuria, cobalamin F
     An inherited organic acid disorder where an enzyme deficiency (cbl F) impairs the body's ability to break down certain proteins (methionine, threonine, isoleucine and valine) consumed in the diet. This results in a buildup of methylmalonic acid and homocy...more »
    1982. Metoclopramide -- Teratogenic Agent
     There is evidence to indicate that exposure to Metoclopramide 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 »
    1983. 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 »
    1984. Micrencephaly corpus callosum agenesis
     A very rare disorder characterized by abnormal brain development which results in a very small brain. Patients may die during infancy and survivors suffer mental retardation and other physical abnormalities....more »
    1985. Micrencephaly olivopontocerebellar hypoplasia
     A rare fatal condition characterized by brain disease and a small underdeveloped brain....more »
    1986. Microcephalic osteodysplastic primordial dwarfism types 1 and 3
     Microcephalic osteodysplastic primordial dwarfism types 1 and 3 were originally regarded as separate conditions but it was recently concluded that they were different expressions of the same condition. The main differences between the two forms is a diffe...more »
    1987. Microcephalic osteodysplastic primordial dwarfism, type 1
     A form of dwarfism associated with brain and skeletal abnormalities....more »
    1988. Microcephaly -- seizures -- mental retardation -- heart disorders
     A very rare syndrome characterized mainly by a small head, seizures, mental retardation and heart disorders....more »
    1989. Microcephaly -- sparse hair -- mental retardation -- seizures
     A very rare disorder characterized by an abnormally small head, sparse hair, mental retardation and seizures....more »
    1990. Microcephaly brain defect spasticity hypernatremia
     A rare syndrome characterized mainly by a small head, brain defect, spasticity and high sodium level....more »
    1991. Microcephaly micropenis convulsions
     A syndrome which is characterized by the association of symptoms such as abnormal facial appearance, short stature and psychomotor retardation....more »
    1992. Microcephaly, Growth Retardation, Cataract, Hearing Loss, and Unusual Appearance
     A rare syndrome characterized by the association of a small head, retarded growth, cataracts, hearing loss and an unusual facial appearance. It was reported in a brother and sister....more »
    1993. Microcephaly, corpus callosum dysgenesis and cleft lip-palate
     A rare disorder characterized by a small head, abnormal brain development and a cleft lip and palate....more »
    1994. Microcephaly, hiatal hernia and nephrotic syndrome
     A rare genetic disorder primarily involving physical and developmental abnormalities as well as kidney disease....more »
    1995. Microcephaly, mental retardation and tracheoesophageal fistula associated with features of Rett Syndrome
     A rare syndrome characterized by the association of an abnormally small head, mental retardation and a tracheoesophageal fistula....more »
    1996. Microlissencephaly -- micromelia
     A rare syndrome characterized mainly by short arms, a brain defect called microlissencephaly, small head and early death....more »
    1997. Microphthalmia -- brain atrophy
     A rare syndrome characterized by small eyes and degeneration of brain tissue which causes various abnormalities such as mental retardation. Usually the infant is relatively normal for a number of months after birth followed by rapid loss of previous acqui...more »
    1998. Microphthalmia -- mental deficiency
     A very rare syndrome characterized mainly by small eyes and mental deficiency....more »
    1999. Microphthalmia and mental deficiency
     A very rare syndrome characterized mainly by small eyes and mental deficiency....more »
    2000. Microphthalmia syndromic, type 10
     A rare inherited syndrome characterized mainly by small eyes and wasting of brain tissue....more »
    2001. Microphthalmia syndromic, type 5
     A rare inherited syndrome characterized by small eyes and various other abnormalities. The symptoms are variable to some degree....more »
    2002. Microphthalmia, syndromic 7
     A rare genetic disorder characterized by eye and skin abnormalities involving irregular red streaks of skin on the head and neck....more »
    2003. Microscopic lymphocytic colitis
     Microscopic lymphocytic colitis refers to inflammation of the colon that is only visible when the colon's lining is examined under a microscope. The appearance of the inner colon lining in microscopic colitis is normal by visual inspection during colonosc...more »
    2004. Microscopic ulcerative colitis
     Microscopic ulcerative colitis refers to inflammation of the colon that is only visible when the colon's lining is examined under a microscope. The appearance of the inner colon lining in microscopic colitis is normal by visual inspection during colonosco...more »
    2005. Middle ear infection
     Infection of middle ear also called otitis media....more »
    2006. Midline field defects
     Congenital problems that occur along the vertical axis of the body. Defects can involve the brain, spine, heart, genitals and midline of the head and face....more »
    2007. Mild Traumatic Brain Injury
     Mild brain injury caused by trauma, accident or injury...more »
    2008. Mild citrullinemia
     Citrullinemia is an inherited urea cycle disorder which causes toxic substances including ammonia to build up in the blood. There are two main subtypes of Citrullinemia (I and II) which are caused by different genetic abnormalities and result in different...more »
    2009. Mineral deficiency
     A deficiency of any minerals in the body...more »
    2010. Minoxidil (topical) -- Teratogenic Agent
     There is evidence to indicate that exposure to Minoxidil (topical) 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 »
    2011. Misoprostol -- Teratogenic Agent
     There is evidence to indicate that exposure to Misoprostol 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 »
    2012. Mistletoe poisoning
     The mistletoe is an evergreen shrub that tends to grow on tree branches. It produces white berries which contain amines. The berries can cause poisoning if eaten in large quantities. Eating more than 20 berries or 5 leaves is likely to cause symptoms and ...more »
    2013. Mitochondrial Parkinson's disease
     A form of Parkinson's disease that seems to be linked to mitochondrial defects - mitochondria are the energy-producing components of body cells. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle ri...more »
    2014. Mitochondrial diseases
     Any of a group of mitochondrial disorders affecting cell metabolism and especially muscles....more »
    2015. Mitochondrial diseases, clinically indefinite
     An inherited biochemical disorder which can affect many body systems such as the skeleton, heart, brain and nervous system....more »
    2016. Mitochondrial encephalomyopathy -- aminoacidopathy
     A very rare syndrome characterized mainly by muscle and brain disease and an amino acid disorder....more »
    2017. Mitochondrial myopathy -- lactic acidosis
     A very rare syndrome characterized mainly by muscle disease and a metabolic disorder. The severity and progression of the disease is variable with some dying early in their second decade and others living longer....more »
    2018. Mononucleosis
     Common infectious virus....more »
    2019. Monosomy 1p36
     A rare chromosomal disorder where deletion of a portion of chromosome 1 causes various abnormalities such as heart problems, mental retardation, developmental delay, facial dysmorphism and short stature. The range and severity of symptoms is variable with...more »
    2020. Monosomy 8q12 21
     A very rare chromosomal disorder where a portion of chromosome 8q is missing. The main symptoms include eye, ear and kidney abnormalities as well as mental retardation....more »
    2021. Morning Glory Fundus Anomaly -- Optic Nerve Coloboma -- Porencephaly -- Hydronephrosis
     A rare condition observed in a newborn and characterized by the association of particular eye, brain and kidney problems....more »
    2022. Mosquito bite
     Bite from a mosquito....more »
    2023. Mosse syndrome
     A condition involving the association of liver cirrhosis with polycythemia which is a chronic myeloproliferative disorder characterized by the excessive production of mainly red blood cells by the bone marrow....more »
    2024. 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 »
    2025. 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 »
    2026. Movement disorders
     Medical conditions affecting the movement systems, such as walking or tremor....more »
    2027. MoyaMoya disease 1
     A very rare disorder involving progressive blocked arteries at the base of the brain (basal ganglia). Type 1 is caused by a genetic defect on chromosome 3p26-p24.2....more »
    2028. MoyaMoya disease 2
     A very rare disorder involving progressive blocked arteries at the base of the brain (basal ganglia). Type 2 is caused by a genetic defect on chromosome 17q25....more »
    2029. MoyaMoya disease 3
     A very rare disorder involving progressive blocked arteries at the base of the brain (basal ganglia). Type 3 is caused by a genetic defect on chromosome 8q23....more »
    2030. Moyamoya Syndrome
     A very rare disorder involving progressive blocked arteries at the base of the brain (basal ganglia)....more »
    2031. Mucolipidosis type 1
     An inherited metabolic disorder where a defect in the enzyme alpha-neuraminidase prevents glycoproteins being metabolized - a milder form of the condition than sialidosis type II....more »
    2032. Mucopolysaccharidoses
     A lysosomal storage disorder that is caused by a deficiency of the ability to metabolise glycosaminoglycans...more »
    2033. Mucopolysaccharidosis type 2 Hunter syndrome- severe form
     A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) in various body tissues due to insufficient amounts of the enzyme (iduronidate 2-sulfatase) needed to break it down....more »
    2034. Mucopolysaccharidosis type I Hurler-Scheie syndrome
     A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) in various body tissues due to insufficient amounts of the enzyme (?-L-diuronidase) needed to break it down....more »
    2035. Muller-Barth-Menger syndrome
     A rare disorder characterized by brain malformations, seizures, excessive hairiness and overlapping fingers....more »
    2036. Mullerian Aplasia -- Renal Aplasia -- Cervicothoracic Somite Dysplasia
     A rare developmental disorder occurring only in females and characterized by skeletal and genitourinary abnormalities and small stature....more »
    2037. Multifocal ventricular premature beats
     A form of abnormal heart rhythm that occurs in otherwise healthy individuals. Exertion or high emotions may trigger a fainting episode....more »
    2038. Multiple Sclerosis
     Autoimmune attack on spinal nerves causing diverse and varying neural problems....more »
    2039. Multiple Sclerosis, Susceptibility To, 1
     Multiple sclerosis is a nerve or spinal cord disease that causes random damage to parts of the nervous system. The result is a diverse range of possible symptoms depending on which parts of the cord are damaged, and how often the inflammation reoccurs. Ty...more »
    2040. Multiple Sclerosis, Susceptibility To, 2
     Multiple sclerosis is a nerve or spinal cord disease that causes random damage to parts of the nervous system. The result is a diverse range of possible symptoms depending on which parts of the cord are damaged, and how often the inflammation reoccurs. Ty...more »
    2041. Multiple Sclerosis, Susceptibility To, 3
     Multiple sclerosis is a nerve or spinal cord disease that causes random damage to parts of the nervous system. The result is a diverse range of possible symptoms depending on which parts of the cord are damaged, and how often the inflammation reoccurs. Ty...more »
    2042. Multiple Sclerosis, Susceptibility To, 4
     Multiple sclerosis is a nerve or spinal cord disease that causes random damage to parts of the nervous system. The result is a diverse range of possible symptoms depending on which parts of the cord are damaged, and how often the inflammation reoccurs. Ty...more »
    2043. Multiple carboxylase deficiency, propionic acidemia
     A disorder of fat metabolism where the body is unable to convert fat to energy due to the lack of a number of enzymes (carboxylases). Sufferers need to eat regularly to prevent symptoms. Symptoms are determined by the size and exact location of the tumor....more »
    2044. Multiple system atrophy
     A rare disorder where nerve degeneration causes progressive neurological problems involving the central and autonomic nervous system. The rate of progression is variable....more »
    2045. Multiple system atrophy (MSA) with orthostatic hypotension
     A progressive neurological disorder involving the central and autonomic nervous system....more »
    2046. 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 »
    2047. Muscle phosphoglycerate kinase deficiency
     An inherited genetic muscle disease where an enzyme deficiency (phosphoglycerate kinase) affects the normal processes that convert carbohydrates from food into energy....more »
    2048. Muscle-eye-brain syndrome
     A genetic disease characterized by muscle weakness, congenital brain abnormalities and eye problems as well as other defects....more »
    2049. Muscular dystrophy -- white matter spongiosis
     A very rare syndrome characterized mainly by muscle problems, seizures and mental retardation....more »
    2050. Mustard tree poisoning
     The mustard tree is found in various parts of America and contains nicotine. Ingestion of the plant can cause various symptoms. The leaves of the plant is sometimes smoked for its effects but it can result in death....more »
    2051. Myelinopathies
     Disorders where the protective myelin sheath around nerves is destroyed which affects the transmission of nerve signals. The severity of symptoms is determined by the degree of myelin destruction and the nerves affected. Multiple sclerosis is an example o...more »
    2052. Myelocerebellar disorder
     A rare genetic disorder characterized by cerebellar ataxia (nervous system disorder that causes unsteadiness and incoordination) and pancytopenia (shortage of all types of blood cells)....more »
    2053. Myiasis
     A condition that is characterised by the invasion of the body by the larvae of flies...more »
    2054. Myoclonus hereditary -- progressive distal muscular atrophy
     A rare inherited disorder characterized by myoclonus and progressive distal muscle weakness and wasting....more »
    2055. Myoclonus progressive epilepsy of Unverricht and Lundborg
     A rare genetic brain disease characterized by convulsions which become progressively worse. Modern treatment can have a big effect on the prognosis....more »
    2056. Myoclonus, cerebellar ataxia, deafness
     A very rare inherited condition characterized by progressive deafness followed by neurological symptoms such as seizures and incoordinated movements....more »
    2057. Myopathy -- growth and mental retardation -- hypospadias
     A very rare syndrome characterized mainly by muscle disease, retarded growth, mental retardation and abnormally placed urethral opening....more »
    2058. Myopathy -- growth delay -- mental retardation -- hypospadias
     A very rare syndrome characterized mainly by muscle disease, retarded growth, mental retardation and abnormally placed urethral opening....more »
    2059. Myopathy, Congenital, Batten Turner Type
     An extremely rare, benign form of congenital muscular dystrophy involving relatively minor muscle wasting. The condition progresses slowly until adulthood....more »
    2060. Ménière's disease
     Ear fluid disorder causing balance problems....more »
    2061. N syndrome
     A rare genetic disorder characterized by mental and physical retardation, eye abnormalities, retarded growth, hearing impairment and a high risk of developing cancers, particularly leukemia. It is an extremely rare condition originally described in two br...more »
    2062. N-acetyl glutamate synthetase deficiency
     A rare inherited urea cycle disorder where a lack of a certain enzyme (N-acetyl glutamate synthetase) results in accumulation of ammonia in the blood as it can't be broken down and removed through the urine....more »
    2063. N-acetyl-alpha-D-galactosaminidase
     A very rare enzyme deficiency (N-acetyl-alpha-D-galactosaminidase) which can occur in three forms: type I (infantile-onset neuroaxonal dystrophy), type II or Kanzaki disease (adult-onset) and type III (mild or moderate form)....more »
    2064. NADH CoQ reductase, deficiency of
     A rare genetic defect where an enzyme deficiency (NADH CoQ) disrupts cellular processes and causes various organic acid disorders. Any of a variety of the components of the enzyme may be missing or defective and hence the clinical presentation and severit...more »
    2065. NOMID syndrome
     A rare autoinflammatory disease characterized by fever, rash, arthritic changes, eye problems and chronic meningitis....more »
    2066. Naegleria
     Rare bacterial infection from contaminated water...more »
    2067. Nalidixic Acid -- Teratogenic Agent
     There is evidence to indicate that exposure to Nalidixic 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 »
    2068. Narcotic addiction
     An uncontrollable desire to use narcotics on a regular basis. The drug may be used as a therapeutic medication for various conditions but it's use is also frequently abused. Examples of narcotic drugs include heroin, morphine, Demerol and codeine. Frequen...more »
    2069. Nelson syndrome I
     A rare condition involving the development of a pituitary tumor that produces excess amounts of a hormone called ACTH....more »
    2070. Neomycin -- Teratogenic Agent
     There is evidence to indicate that exposure to Neomycin 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 »
    2071. Neonatal ALD
     Progressive form of ALD in newborns....more »
    2072. Neonatal Jaundice
     Common skin yellowing jaundice in newborn babies....more »
    2073. Neonatal bacterial meningitis
     Bacterial meningitis that occurs in an infant under 3 months of age. Bacterial meningitis is a bacterial brain infection....more »
    2074. Neonatal hepatitis
     A liver inflammation that occurs during the first few months of an infant's life....more »
    2075. Nephronophthisis familial, adult -- spastic quadriparesis
     A very rare syndrome characterized mainly by progressive kidney destruction and spasticity and weakness of arms and legs....more »
    2076. Nephronophtisis familial, adult form -- spastic quadriparesia
     A rare familial condition characterized by kidney disease and spastic quadriparesis....more »
    2077. 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 »
    2078. Nerve sheath neoplasm
     Tumors that develop from the protective sheath surrounding nerves. There are two types of nerve sheath tumors: schwannomas and neurofibromas. They most often occur around the spinal cord. Symptoms are determined by the size and exact location of the tumor...more »
    2079. Nervous system conditions
     Diseases affecting the nerves and the nervous system....more »
    2080. Nervous system disorders
     Any disorder affecting the nervous system...more »
    2081. Nesidioblastosis of pancreas
     A rare genetic disorder where abnormal islets of Langerhans cells in the pancreas produce excess insulin which causes very low blood sugar levels. Untreated low blood sugar can cause permanent brain damage....more »
    2082. Neuraminidase deficiency
     A rare inherited disorder involving an enzyme (neuraminidase and beta-galactosidase) deficiency which results in a build up of glycoproteins (sialyloligosaccharides) in the urine....more »
    2083. Neuroaxonal dystrophy, infantile
     An inherited disorder involving progressive muscular and coordination problems, impaired brain function and speech and vision impairment....more »
    2084. Neuroblastoma
     Neuroblastoma is a malignant (cancerous) tumor of infants and children that develops from nerve tissue....more »
    2085. Neurodegeneration With Brain Iron Accumulation 2
     A rare, inherited, progressive neurological movement disorder where accumulation of iron in the brain causes degeneration of the nervous system. Type 2 is linked to a defect in the PLA2G6 gene on chromosome 22q13.1....more »
    2086. Neurodegeneration due to Cerebral Folate Transport Deficiency
     Brain degeneration due to the impaired transportation of folate in the brain....more »
    2087. Neurodegenerative syndrome, X-linked, Bertini type
     A very rare neurodegenerative disorder characterized mainly by reduced muscle tone, ataxia, recurring bronchopulmonary infections and psychomotor deficit. The disorder is X-linked and thus only males suffer the full extent of the symptoms whereas female c...more »
    2088. Neuroectodermal tumor, primitive
     A very rare type of tumor that occurs in children under the age of ten. It is very aggressive and has a poor prognosis with less than half of patients surviving. The tumor originates from primitive nerve cells in the brain (CNS PNET) or other parts of the...more »
    2089. 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 »
    2090. Neurofaciodigitorenal syndrome
     A very rare syndrome characterized by brain problems, mental retardations, kidney and limb defects as well as a range of other physical abnormalities....more »
    2091. Neurofibromatosis Type 1 (NF-1)
     Neurofibromatosis Type 1 is a genetic disorder often leading to the development of nerve tumors. The condition is also characterized by skin pigmentation abnormalities....more »
    2092. Neurofibromatosis syndrome
     A rare genetic disorder characterized by areas of increased and decreased skin pigmentation and the development of many non-cancerous nerve and skin tumors some of which may eventually become malignant....more »
    2093. Neurofibromatosis syndrome Type II
     A rare genetic disorder characterized by areas of increased and decreased skin pigmentation, acoustic neuromas and the development of many noncancerous nerve and skin tumors some of which may eventually become malignant - it is a more severe form of type ...more »
    2094. Neurofibromatosis type 3A
     A rare genetic disorder characterized by areas of increased and decreased skin pigmentation and the development of many non-cancerous nerve and skin tumors some of which may eventually become malignant. The skin tumors tend to develop characteristically o...more »
    2095. Neurofibromatosis type 3B
     A rare genetic disorder characterized by areas of increased and decreased skin pigmentation and the development of many non-cancerous nerve and intestinal tumors some of which may eventually become malignant....more »
    2096. Neurofibromatosis, type 4, of Riccardi
     A rare genetic disorder characterized by areas of increased and decreased skin pigmentation and the development of many non-cancerous nerve and skin tumors some of which may eventually become malignant....more »
    2097. Neurofibromatosis-1
     Genetic disorder often leading to tumors on nerves....more »
    2098. Neurofibromatosis-2
     Genetic disorder often leading to tumors on nerves....more »
    2099. Neuroleptic Malignant Syndrome
     A severe, potentially fatal reaction to antipsychotic drugs....more »
    2100. Neurological disorders related to AIDS
     It usually occurs due to decreased immunity....more »
    2101. Neurological system tumors
     Tumors of the nerves or neurological system, whether cancerous or benign....more »
    2102. Neuromuscular conditions
     Conditions affecting the nerve-muscle systems....more »
    2103. Neuronal Migration Disorders
     Group of disorders caused by abnormal growth of nerves in the brain and head....more »
    2104. Neuronal intranuclear hyaline inclusion disease
     A very rare syndrome characterized mainly by muscle problems and seizures. The disorder results from the presence of hyaline compounds inside nerve cells....more »
    2105. Neuronal intranuclear inclusion disease
     A very rare syndrome characterized mainly by muscle and nerve degeneration....more »
    2106. Neuropathy -- ataxia -- retinitis pigmentosa
     A rare inherited disorder where defects in the energy producing part of cells affects the nervous system and causes symptoms such as muscle and vision problems. Severity and rang of symptoms are variable....more »
    2107. Neuropathy ataxia and retinis pigmentosa
     A rare inherited disorder where defects in the energy producing part of cells affects the nervous system and causes symptoms such as muscle and vision problems. Severity and rang of symptoms are variable....more »
    2108. Neurosarcoidosis
     A rare disorder involving sarcoidosis of the nervous system. Sarcoidosis is a chronic inflammatory disorder that can affect virtually any part of the body. Neurosarcoidosis involves inflammation and abnormal deposits in parts of the nervous system includi...more »
    2109. Neurosyphilis -- general paresis
     A complication of untreated syphilis where the infection invades the brain cells and causes a range of neurological symptoms. The condition is progressive and life-threatening....more »
    2110. Neurosyphilis -- meningovascular
     A complication of untreated syphilis where the infection invades the central nervous system and causes cranial nerve palsies and pupil abnormalities....more »
    2111. Neurosyphilis -- tabes dorsalis
     A complication of untreated syphilis where the infection invades the spinal cord and progressively impairs muscle function and nerve damage may also occur. This form of the condition is progressive and life-threatening....more »
    2112. Neurotoxicity syndromes
     Altered nervous system functioning caused by exposure to certain chemicals (manmade or natural) that affect the nervous system - essentially it is the poisoning of the nervous system. Examples of toxic compounds that may cause neurotoxicity include lead, ...more »
    2113. Nevus comedonicus syndrome
     A rare condition characterized by the development of large comedones which can occur in groups or linear arrangements. The skin lesions tend to occur mainly on the face, neck, arms and trunk. If it is associated with other congenital malformations, it is ...more »
    2114. Nevus sebaceous of Jadassohn
     A rare genetic neurocutaneous disorder characterized by epidermal nevi associated with central nervous and skeletal system abnormalities....more »
    2115. Nicolaides-Baraitser syndrome
     A very rare syndrome characterized mainly by short stature, reduced hair, short fingers, epilepsy and abnormal bone development....more »
    2116. Nielsen-Jacobs syndrome
     A rare condition where damage to the part of the brain called the cingulated gyri results in agnosia, apraxia and aphasia. The cingulated gyri is responsible for emotions, memory, learning and processing skills....more »
    2117. Niemann-Pick disease
     A rare inherited biochemical disorder involving the deficiency of an enzyme (acid sphingomyelinase) needed to break down certain lipids which results in an accumulation of these lipids in the body....more »
    2118. Niemann-Pick disease, type A
     Niemann-Pick disease is an inherited metabolic disorder where lipids are not able to be metabolized adequately and hence build up and cause damage in various parts of the body such as the spleen, liver, lungs, bone marrow and brain. The different types of...more »
    2119. Niemann-Pick disease, type C1
     Niemann-Pick disease is an inherited metabolic disorder where lipids are not able to be metabolized adequately and hence build up and cause damage in various parts of the body such as the spleen, liver, lungs, bone marrow and brain. The different types of...more »
    2120. Niemann-Pick disease, type C2
     Niemann-Pick disease is an inherited metabolic disorder where lipids are not able to be metabolized adequately and hence build up and cause damage in various parts of the body such as the spleen, liver, lungs, bone marrow and brain. The different types of...more »
    2121. Niemann-Pick disease, type D
     Niemann-Pick disease is an inherited metabolic disorder where lipids are not able to be metabolized adequately and hence build up and cause damage in various parts of the body such as the spleen, liver, lungs, bone marrow and brain. Type D is no longer a ...more »
    2122. Nimesulide -- Teratogenic Agent
     There is evidence to indicate that exposure to Nimesulide 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 »
    2123. 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 »
    2124. 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 »
    2125. 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 »
    2126. Non-diarrheal (D-) HUS syndrome
     A rare condition characterized by hemolytic anemia, thrombocytopenia and kidney failure that is not associated with diarrhea which means that it is not a result of bacterial gastroenteritis. This form of hemolytic uremic syndrome may be caused by kidney t...more »
    2127. Non-ketotic hyperglycinemia
     A rare disorder of amino acid metabolism where glycine and proline are unable to be metabolized properly due to defects in the glycine cleavage system....more »
    2128. Non-lissencephalic cortical dysplasia
     A brain development abnormality characterized by the development of small brain convolutions that generally cause mental retardation. Symptoms depend on the location and extent of the abnormality....more »
    2129. Norethindrone -- Teratogenic Agent
     There is evidence to indicate that exposure to Norethindrone 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 »
    2130. Norfloxacin -- Teratogenic Agent
     There is evidence to indicate that exposure to Norfloxacin 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 »
    2131. Norman-Roberts lissencephaly syndrome
     A very rare form of the brain formation disorder called lissencephaly where the brain surface is abnormally smooth rather than convoluted....more »
    2132. Nova syndrome
     A very rare syndrome characterized mainly by a birth mark and brain abnormalities....more »
    2133. Nutritional deficiency
     Any deficiency of the nutrients that are required to sustain human life...more »
    2134. Nystatin -- Teratogenic Agent
     There is evidence to indicate that exposure to Nystatin 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 »
    2135. Nytol -- Teratogenic Agent
     There is evidence to indicate that exposure to Nytol 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 and ...more »
    2136. OFD syndrome type 8
     A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps and finger abnormalities....more »
    2137. OFD syndrome type Figuera
     A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps, finger abnormalities and absence of all or part of the fibula....more »
    2138. OFD syndrome type IX
     A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps and finger and retinal abnormalities....more »
    2139. Obesity
     An increase in the body weight greater than that required for normal function that is characterised by the accumulation of excessive fat...more »
    2140. Obliterative portal venopathy
     A rare condition characterized by abnormal hardening of liver blood vessels (portal veins), portal hypertension and an enlarged spleen. The condition usually occurs in adults but can rarely occur in children. The exact cause of the condition is unknown bu...more »
    2141. 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 »
    2142. Obstructive biliary disease
     A disease process that causes obstruction or blockage in one of the bile ducts which are vessels that carry bile from the liver to the digestive system or gallbladder. Diseases that can cause such obstructions includes tumors, gallstones, parasites, bile ...more »
    2143. Occupational Cancer -- Liver cancer
     Occupational exposure to vinyl chloride can increase the risk of developing liver cancer....more »
    2144. Occupational lead exposure -- ammunition production
     Exposure to lead can occur in people employed as ammunition makers if adequate precautions are not taken. Lead exposure can cause elevated levels of lead in the blood which in turn can cause various symptoms depending on the severity and duration of the e...more »
    2145. Occupational lead exposure -- battery manufacturing
     Exposure to lead can occur in people employed in the battery manufacturing industry if adequate precautions are not taken. Lead exposure can cause elevated levels of lead in the blood which in turn can cause various symptoms depending on the severity and ...more »
    2146. Occupational lead exposure -- brass foundry
     Exposure to lead can occur in people employed in the brass foundry industry if adequate precautions are not taken. Lead exposure can cause elevated levels of lead in the blood which in turn can cause various symptoms depending on the severity and duration...more »
    2147. Occupational lead exposure -- ceramic production
     Exposure to lead can occur in people employed in the ceramic production industry if adequate precautions are not taken. Lead exposure can cause elevated levels of lead in the blood which in turn can cause various symptoms depending on the severity and dur...more »
    2148. Occupational lead exposure -- explosives production
     Exposure to lead can occur in people employed in the explosives production industry if adequate precautions are not taken. Lead exposure can cause elevated levels of lead in the blood which in turn can cause various symptoms depending on the severity and ...more »
    2149. Occupational lead exposure -- furniture refinishing
     Exposure to lead can occur in people employed in the furniture refinishing industry if adequate precautions are not taken. Lead exposure can cause elevated levels of lead in the blood which in turn can cause various symptoms depending on the severity and ...more »
    2150. Occupational lead exposure -- lead glass factory
     Exposure to lead can occur in people employed in lead glass factories if adequate precautions are not taken. Lead exposure can cause elevated levels of lead in the blood which in turn can cause various symptoms depending on the severity and duration of th...more »
    2151. Occupational lead exposure -- lead mine
     Exposure to lead can occur in people employed in lead mines if adequate precautions are not taken. Lead exposure can cause elevated levels of lead in the blood which in turn can cause various symptoms depending on the severity and duration of the exposure...more »
    2152. Occupational lead exposure -- lead smelting
     Exposure to lead can occur in people employed in the lead smelting industry if adequate precautions are not taken. Lead exposure can cause elevated levels of lead in the blood which in turn can cause various symptoms depending on the severity and duration...more »
    2153. Occupational lead exposure -- painter
     Exposure to lead can occur in painters if adequate precautions are not taken. Lead exposure can cause elevated levels of lead in the blood which in turn can cause various symptoms depending on the severity and duration of the exposure....more »
    2154. Occupational lead exposure -- pottery making
     Exposure to lead can occur in people involved in pottery making if adequate precautions are not taken. Lead exposure can cause elevated levels of lead in the blood which in turn can cause various symptoms depending on the severity and duration of the expo...more »
    2155. Occupational lead exposure -- radiator repair
     Exposure to lead can occur in people employed in the radiator repair industry. The soldering required to repair the radiator can lead to the lead exposure if adequate precautions are not taken. Lead exposure can cause elevated levels of lead in the blood ...more »
    2156. Occupational lead exposure -- ship building
     Exposure to lead can occur in people employed in the ship building industry if adequate precautions are not taken. Lead exposure can cause elevated levels of lead in the blood which in turn can cause various symptoms depending on the severity and duration...more »
    2157. Occupational lead exposure -- ship repairing
     Exposure to lead can occur in people employed in the ship repairing industry if adequate precautions are not taken. Lead exposure can cause elevated levels of lead in the blood which in turn can cause various symptoms depending on the severity and duratio...more »
    2158. Occupational lead exposure -- smelting
     Exposure to lead can occur in people employed in the smelting industry if adequate precautions are not taken. Lead exposure can cause elevated levels of lead in the blood which in turn can cause various symptoms depending on the severity and duration of t...more »
    2159. Oculo cerebro acral syndrome
     A very rare syndrome characterized mainly by eye, brain, ear and limb abnormalities....more »
    2160. Oculo-dento-digital dysplasia dominant
     A rare disorder characterized by webbing of some fingers, small corneas, enamel abnormalities and slow-growing, dry hair....more »
    2161. Oculocerebral hypopigmentation syndrome, type Preus
     A very rare syndrome characterized mainly by eye, brain and pigmentation abnormalities....more »
    2162. Oculocerebral syndrome with hypopigmentation
     A rare inherited disorder involving lack of pigmentation and eye and brain defects caused by central nervous system abnormalities....more »
    2163. Oculodentoosseous dysplasia dominant
     A very rare dominantly inherited syndrome characterized mainly by eye, tooth and finger abnormalities....more »
    2164. Oculopalatocerebral syndrome
     A rare inherited syndrome characterized mainly by short stature, small head, mental retardation, cleft palate and eye problems....more »
    2165. 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 »
    2166. Ofloxacin -- Teratogenic Agent
     There is evidence to indicate that exposure to Ofloxacin 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 »
    2167. Ohtahara Syndrome
     A very rare syndrome characterized mainly by epilepsy that starts within a month of birth....more »
    2168. Oligodendroglioma
     Slow-growing brain tumor...more »
    2169. Olivopontocerebellar Atrophy
     A group of diseases progressive degeneration occurs in a particular area of the brain (olivopontocerebellar area) which results in various neurological symptoms....more »
    2170. Olivopontocerebellar atrophy -- deafness
     A very rare syndrome characterized mainly by brain abnormalities and deafness....more »
    2171. Olivopontocerebellar atrophy I
     A disorder where degeneration of certain parts of the brain and spinal cord and results in symptoms such as muscle problems, chorea and speech disturbance....more »
    2172. Olivopontocerebellar atrophy type 3
     A disorder where degeneration of certain parts of the brain and spinal cord results in symptoms such as blindness, tremor, speech problems and ataxia....more »
    2173. Olivopontocerebellar atrophy type IV
     A rare group of disorders caused by degeneration of certain specific parts of the brain (cerebellum, pons, inferior olives) and resulting in symptoms such as balance problems, loss of coordination and difficulties with speaking....more »
    2174. Olivopontocerebellar atrophy, type V
     A disorder where degeneration of certain parts of the brain results in symptoms such as tremor, ataxia and mental deterioration....more »
    2175. Ondine syndrome
     A rare condition involving defects in the mechanism that control breathing....more »
    2176. Ondine's curse
     A condition involving defects in the mechanism that control breathing....more »
    2177. Onychodystrophy -- deafness
     A very rare inherited disorder involving deafness (D), onychodystrophy (O - nail malformation), osteodystrophy (O - bone malformation) and mental retardation (R)....more »
    2178. Opitc atrophy and cataract, autosomal dominant
     A very rare, dominantly inherited disorder characterized mainly by progressive optic nerve dysfunction, cataracts and neurological symptom. The neurological symptoms are usually very mild or don't even occur....more »
    2179. Opitz G Syndrome
     A rare genetic disorder characterized by defects along the midline of the body. The type and severity of symptoms can vary considerably. There are two subtypes of the disorder: one is inherited in a X-linked manner and the other is inherited in an autosom...more »
    2180. Opitz G/BBB Syndrome
     A rare genetic disorder characterized by defects along the midline of the body. The type and severity of symptoms can vary considerably. There are two subtypes of the disorder: one is inherited in a X-linked manner and the other is inherited in an autosom...more »
    2181. Opitz G/BBB Syndrome, X-linked
     A rare genetic disorder characterized by defects along the midline of the body. The type and severity of symptoms can vary considerably. There are two subtypes of the disorder: type I is inherited in a X-linked manner and type II is inherited in an autoso...more »
    2182. Opitz G/BBB Syndrome, type I
     A rare genetic disorder characterized by defects along the midline of the body. The type and severity of symptoms can vary considerably. There are two subtypes of the disorder: type I is inherited in a X-linked manner and type II is inherited in an autoso...more »
    2183. Opitz G/BBB syndrome, Autosomal dominant
     A rare genetic disorder characterized by defects along the midline of the body. The type and severity of symptoms can vary considerably. There are two subtypes of the disorder: type I is inherited in a X-linked manner and type II is inherited in an autoso...more »
    2184. Opitz syndrome , X-linked
     A congenital disorder characterized by distinctive facial features, genital abnormalities, esophageal defect and difficulty swallowing. Males are more severely affected than females....more »
    2185. 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 »
    2186. 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 »
    2187. Optic Atrophy 3, Autosomal Dominant
     A rare syndrome characterized mainly by progressive dysfunction of the optic nerve which results in vision impairment. Vision impairment ranges from moderate to severe. Type 3 is inherited in an autosomal dominant manner and is caused by a genetic defect ...more »
    2188. Optic pathway glioma
     A type of tumor that arises in the optic nerve which sends messages from the eye to the brain. These tumors tend to occur mainly in children under the age of 10. The tumor may affect the hormone center of the brain and hence can affect such things as grow...more »
    2189. Oral facial digital syndrome
     A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps and finger abnormalities....more »
    2190. Oral facial digital syndrome, type IV
     A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps, finger abnormalities, brain defects and short stature....more »
    2191. Organic acidemia
     High blood levels of organic acids which is caused by abnormal protein metabolism. Maple syrup urine disease and propionic academia are examples of organic acidemias. Deficiency of certain metabolic enzymes one of the main causes of organic academia....more »
    2192. 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 »
    2193. Ornithine Transcarbamylase Deficiency
     A rare metabolic disorder where a deficiency of the enzyme ornithine transcarbamylase means that nitrogen isn't removed from the body and builds up in the blood in the form of ammonia....more »
    2194. Ornithine transcarbamylase (OTC) Deficiency
     A rare metabolic disorder where a deficiency of the enzyme ornithine transcarbamylase means that nitrogen isn't removed from the body and builds up in the blood in the form of ammonia....more »
    2195. Orofaciodigital syndrome Thurston type
     A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps and finger abnormalities....more »
    2196. Orofaciodigital syndrome type 10
     A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps, finger abnormalities and absence of all or part of the fibula....more »
    2197. Orofaciodigital syndrome type I
    2198. Orofaciodigital syndrome type1
     A rare genetic disorder characterized by variable malformations of the face, digits and inside the mouth. Type 1 is distinguished from the other types of this condition by the presence of polycystic kidneys and a X-linked dominant inheritance....more »
    2199. Orofaciodigital syndrome, type 3
     A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps and finger, teeth and eye abnormalities....more »
    2200. Oromandibular-limb hypogenesis spectrum
     A rare disorder characterized by a spectrum of disorders....more »
    2201. Ossification anomalies -- psychomotor development
     A rare syndrome characterized by reduced mineralization of the skull bones and other skeletal anomalies as well as psychomotor retardation....more »
    2202. Osteogenesis imperfecta congenita, microcephaly, and cataracts
     A rare genetic connective tissue disorder charactedrized by blue sclerae, cataracts and microcephaly - a lethal form of osteogenesis imperfecta....more »
    2203. Osteogenesis imperfecta type II
     A rare lethal form of the genetic connective tissue disorder characterized by fragile bones, blue sclerae and facial and tooth abnormalities....more »
    2204. Osteogenesis imperfecta, type 2
     A rare lethal form of the genetic connective tissue disorder characterized by fragile bones, blue sclerae and facial and tooth abnormalities....more »
    2205. Osteogenesis imperfecta, type 2A
     A rare lethal form of a genetic connective tissue disorder characterized by fragile bones, blue sclerae and facial and tooth abnormalities. Type IIA has a different origin of the genetic mutation but the clinical features are similar. Type IIA involves a ...more »
    2206. Osteogenesis imperfecta, type 3
     A rare genetic connective tissue disorder characterized by progressive limb deformity and normal sclerae....more »
    2207. Osteogenesis imperfecta, type IIB
     A rare, recessively inherited, lethal form of a genetic connective tissue disorder characterized by fragile bones, blue sclerae and facial and tooth abnormalities. Type IIB has a different origin of the genetic mutation but the clinical features are simil...more »
    2208. Osteopetrosis lethal
     A severe, lethal form of the brittle bone condition called osteopetrosis....more »
    2209. Osteopetrosis, autosomal recessive 2
     A rare disorder characterized primarily by increased bone density as old bone is not resorbed and replaced with new bone - is also known as marble bone disease. This form is relatively mild with survival possible for a couple of decades in some cases....more »
    2210. Osteopetrosis, intermediate form
     A recessively inherited bone disease characterized bybrittle bones with increased density. The intermediate form is less severe than the infantile form but more severe than the adult form....more »
    2211. Osteosclerosis, abnormalities of nervous system and meninges
     A very rare syndrome characterized mainly by increased bone density and nervous system abnormalities....more »
    2212. Otitis
     Any type of ear inflammation or infection (otitis)...more »
    2213. Otosclerosis, familial
     Increased density of bones of the inner and middle ear which can affect hearing. Complete hearing loss is rare and progression is often slow....more »
    2214. Ovarian Cancer
     Cancer of the ovaries....more »
    2215. Ovarian cysts
     Cysts occurring in the ovaries....more »
    2216. 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 »
    2217. PANDAS
     A rare disorder characterized by the association of a tic disorder or OCD (obsessive-compulsive disorder) with a streptococcal infection and neuropsychiatric symptoms. The symptoms can start suddenly and recovery is slow with frequent relapses. It is beli...more »
    2218. PEHO-like syndrome
     A rare birth disorder characterized by brain anomalies due to prenatal ischemia. Clinically it is the same as true PEHO syndrome but differs in the type of brain abnormality involved. True PEHO syndrome is inherited and tends to involve an underdeveloped ...more »
    2219. 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 »
    2220. PHACE association
     A very rare syndrome characterized mainly by a brain malformation (involving the posterior fossa), large facial hemangioma and eye, heart and artery anomalies....more »
    2221. PIBIDS syndrome
     A rare inherited skin disorder characterized by photosensitivity (P), red, dry, scaly skin (I - ichthyosis), brittle hair (B), impaired physical and mental development (I), decreased fertility (D) and short stature (S). It is the same as IBIDS syndrome bu...more »
    2222. PTEN Hamartoma Tumor Syndrome
     PTEN Hamartoma Tumor Syndrome is a group of conditions caused by a mutation in the PTEN gene. The primary characteristic of the condition is the development of multiple hamartomas (tumor-like growth) in virtually any part of the body. The growths are gene...more »
    2223. Pachygyria -- mental retardation -- seizures
     A very rare syndrome characterized by mental retardation and seizures caused by abnormal structural brain development called pachygyria....more »
    2224. Pachygyria, frontotemporal
     A recessively inherited disorder characterized by abnormal brain development (pachygyria), mental retardation and various other abnormalities....more »
    2225. Paine syndrome
     A rare inherited disorder characterized by a small head, mental and physical retardation and vision and movement problems....more »
    2226. Pallister Killian Mosaic Syndrome
     Pallister Killian Mosaic Syndrome is a very rare disorder genetic disorder involving abnormalities in chromosome 12. The severity of symptoms is variable and tends to include a wide range of defects and abnormalities....more »
    2227. Pallister Mosaic Syndrome Tetrasomy 12p
     A very rare disorder genetic disorder involving abnormalities in chromosome 12. The severity of symptoms is variable and tends to include a wide range of defects and abnormalities....more »
    2228. Pallister-Killian Syndrome
     A rare genetic disorder due to tetrasomy of the 12th chromosome...more »
    2229. 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 »
    2230. Pancreatic insufficiency
     Impaired pancreatic functioning. The pancreas does not produce sufficient digestive enzymes to properly digest lipids and proteins. Pancreatic insufficiency may be caused by such things as pancreatic cancer, cystic fibrosis, pancreatic resection and chron...more »
    2231. Pantothenate kinase-associated neurodegeneration
     A rare, inherited, progressive neurological movement disorder where accumulation of iron in the brain causes degeneration of the nervous system....more »
    2232. 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 »
    2233. 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 »
    2234. Paraneoplastic Neurologic Disorders
     A term used to describe the distant neurological effects of cancer. It results from an autoimmune attack against antigens present in cancer and the nervous system. Peripheral nerves, central nervous system and muscle controlling nerves may be affected. Of...more »
    2235. Paraneoplastic cerebellar degeneration
     Disorders of the cerebellum associated with tumors. The cerebellum is the part of the brain that controls coordination. It is believed that the body's immune system's attempt to destroy the tumor results in damage to the cerebellum. The main tumors associ...more »
    2236. Paraneoplastic limbic encephalitis
     Limbic encephalitis is an inflammation of the limbic system which is the part of the brain responsible for basic autonomic functions. In the paraneoplastic type, the inflammation is caused by cancers such as small cell lung cancer....more »
    2237. Paraneoplastic syndromes
    2238. Paratyphoid fever
     A condition which is caused by the bacterium Salmonella Paratyphi...more »
    2239. Parkinson disease 10 (PARK10)
     Type 10 Parkinson disease is linked to a genetic mutation on chromosome 1p32. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements....more »
    2240. Parkinson disease 11 (PARK11)
     Type 11 Parkinson disease is linked to a genetic mutation on chromosome 2q21.2. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements....more »
    2241. Parkinson disease 12 (PARK12)
     Type 12 Parkinson disease is linked to a genetic mutation on chromosome Xq21-q25. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements....more »
    2242. Parkinson disease 13 (PARK13)
     Type 13 Parkinson disease is linked to a genetic mutation on chromosome 2p12. This form of the condition tends to progress slowly. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slo...more »
    2243. Parkinson disease 2, autosomal recessive juvenile (PARK2)
     Type 2 Parkinson disease is juvenile form of the condition and is linked to a genetic mutation on chromosome 6q25.2-q27. The condition may be inherited in a recessive manner and symptoms tend to be milder following sleep. Parkinson's disease is a chronic,...more »
    2244. Parkinson disease 3
     A genetic form of Parkinson disease which involves progressive degeneration of the central nervous system....more »
    2245. Parkinson disease 3, autosomal dominant Lewy body (PARK3)
     Type 3 Parkinson disease is linked to a genetic mutation on chromosome 2p13. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements....more »
    2246. Parkinson disease 4, autosomal dominant Lewy body (PARK4)
     Type 4 Parkinson disease is linked to a genetic mutation on chromosome 4q21. This form of the condition tends to start around the age of 45 years and progresses rapidly. Parkinson's disease is a chronic, progressive, degenerative brain disorder characteri...more »
    2247. Parkinson disease 5 (PARK5)
     Type 5 Parkinson disease is linked to a genetic