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Common Symptoms:
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Diseases and Medical Conditions A - C provides down-to-earth, comprehensive definitions of hundreds of ailments and illnesses beginning with the letters A-C. Each listing identifies causes, incidence and risk factors, notes symptoms, outlines tests and discusses treatments and support groups where applicable.
Featured Article: Cirrhosis
Cirrhosis is the coagulopathy, portal hypertension or hepatic encephalopathy due to chronic liver disease. Learna bout cirrhosis causes, symptoms, tests, treatment and prevention. See more »
Anaphylaxis
Anaphylaxis is a sudden, severe and life-threatening allergic reaction occurring throughout the body. Learn about anaphylaxis causes, symptoms, tests, treatment and prevention.
See more »Anaplastic Thyroid Cancer
Anaplastic thyroid carcinoma is a rapidly growing and aggressive form of thyroid cancer. Learn about anaplastic thyroid carcinoma causes, symptoms, tests, treatment and prevention.
See more »Androgen Insensitivity Syndrome
Androgen insensitivity syndrome (AIS) is when male hormone resistance inhibits male body part development. Learn about AIS causes, symptoms, tests, treatment and prevention.
See more »Anemia
Anemia is an abnormally low number of red blood cells in the blood that has various causes and types. Learn about anemia types, causes, symptoms, tests, treatment and prevention.
See more »Anemia - B12 Deficiency
Anemia - B12 deficiency is a drop in the number of red blood cells from lack of vitamin b12. Learn about anemia – B12 deficiency causes, symptoms, treatment and prevention.
See more »Anemia Of Chronic Disease
Anemia - chronic disease develops due to extended inflammation or infection. Learn about anemia – chronic disease causes, symptoms, treatment and prevention.
See more »Anencephaly
Anencephaly is a fatal neural tube defect of a fetus that causes the absence of a large portion of the brain and skull. Learn about anencephaly causes, symptoms, tests, treatment and prevention.
See more »Aneurysm
Aneurysms are the abnormal widening or ballooning of portions of an artery that may cause death if ruptured. Learn about aneurysm causes, symptoms, tests, treatment and prevention.
See more »Aneurysm In The Brain
Aneurysm in the brain can exist as a sac of blood attached to a blood vessel or as the dilation of an area of a blood vessel. Learn about aneurysm in the brain causes, symptoms, tests, treatment and prevention.
See more »Angina
Angina is when inadequate blood flow through the coronary vessels of the myocardium causes chest discomfort. Learn about angina types, causes, symptoms, tests, treatment and prevention.
See more »Angiodysplasia Of The Colon
Angiodysplasia of the colon is when stretched and fragile blood vessels cause occasional gastrointestinal blood loss. Learn about angiodysplasia causes, symptoms, tests, treatment and prevention.
See more »Angioedema
Angioedema or a welt is swelling beneath the skin due to infection, illness or an allergic reaction. Learn about welt causes, symptoms, tests, treatment and prevention.
See more »Ankylosing Spondylitis
Ankylosing spondylitis, a chronic inflammatory disease, affects vertebral spine joints and the joints between the spine and pelvis. Learn about ankylosing spondylitis causes, symptoms, tests, treatment and prevention.
See more »Annular Pancreas
Annular pancreas is a pancreatic tissue ring that abnormally encircles and may constrict the duodenum. Learn about annular pancreas causes, symptoms, tests, treatment and prevention.
See more »Anorchia
Anorchia, the absence of testes at birth, occurs because of abnormal or failed fetus development. Learn about anorchia causes, symptoms, tests, treatment and prevention.
See more »Anorectal Abscess
An anorectal abscess is a collection of pus in the anal or rectal region commonly caused by an infection. Learn about anorectal causes, symptoms, treatments, and prevention.
See more »Anorexia Nervosa
Anorexia nervosa, an eating disorder, is when inadequate calorie intake or excessive energy expenditure causes extreme weight loss. Learn about anorexia support, causes, symptoms, tests, treatment and prevention.
See more »Anthrax
Anthrax is an infectious bacterial disease that can be contracted by inhalation, ingestion or contact with a cut. Learn about anthrax risks, symptoms, tests, treatment and prevention.
See more »Antisocial Personality Disorder
Antisocial personality disorder is defined by chronic manipulation, exploitation or violation of other’s rights. Learn about antisocial personality disorder causes, symptoms, tests, treatment and prevention.
See more »Aortic Arch Syndrome
Aortic arch syndrome is a group of symptoms associated with structural abnormalities in aortic arch arteries. Learn about aortic arch syndrome causes, symptoms, tests, treatment and prevention.
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Common Conditions:
