Featured Article: Chickenpox
Chickenpox is a highly contagious viral disease causing hundreds of itchy, fluid-filled blisters. Learn about chickenpox causes, symptoms, tests, treatment and prevention. See more »
a-c library
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.
Bartholin’s Abscess
Bartholin’s abscess is a pus build up in Bartholin’s glands causing vaginal infection. Learn about Bartholin’s abscess causes, symptoms, treatments, and risk factors.
See more »Bartter Syndrome
Bartter's syndrome or potassium wasting causes excessive amounts of potassium to be excreted. Learn about Bartter’s syndrome causes, symptoms, treatment and prevention.
See more »Basal Cell Carcinoma
Basal cell carcinoma is a slow growing skin tumor involving cancerous basal skin cell changes. Learn about basal cell carcinoma causes, symptoms, tests, treatment and prevention.
See more »Basal Cell Nevus Syndrome
Basal Cell Nevus Syndrome information from HowStuffWorks. Learn about causes, symptoms and treatments of Basal Cell Nevus Syndrome.
See more »Basal Ganglia Dysfunction
Basal ganglia dysfunction, associated with numerous brain disorders, affects the motor control and movement brain section. Learn about basal ganglia dysfunction causes, symptoms, tests, treatment and prevention.
See more »Bassen-Kornzweig Syndrome
Bassen-Kornzweig Syndrome information from HowStuffWorks. Learn about causes, symptoms and treatments of Bassen-Kornzweig Syndrome.
See more »Bathing Trunk Nevus
Bathing trunk nevus is a darkly pigmented, disfiguring and large patch of skin present at birth. Learn about bathing trunk nevus causes, symptoms, tests, treatment and prevention.
See more »Becker's Muscular Dystrophy
Becker’s muscular dystrophy, an inherited disorder, slowly and progressively weakens leg and pelvic muscles. Learn about Becker’s muscular dystrophy causes, symptoms, tests, treatment and prevention.
See more »Beckwith-Wiedemann Syndrome
Beckwith-Wiedemann syndrome causes large body parts at birth and abdominal wall defects. Learn about Beckwith-Wiedemann syndrome causes, symptoms, treatment and prevention.
See more »Bedwetting
Bedwetting is involuntary urination in children 5-6 years old and usually occurs at night. Learn about bedwetting causes, symptoms, tests, treatment and prevention.
See more »Bell's Palsy
Bell’s palsy is when damage to cranial nerve VII causes sudden facial drooping and decreased facial mobility. Learn about Bell’s palsy causes, symptoms, tests, treatment and prevention.
See more »Benign Ear Cyst Or Tumor
Benign ear cysts or tumors are noncancerous growths within the ear cannal, pinna, or other ear parts. Learn about benign ear cyst or tumor causes, symptoms, tests, treatment and prevention.
See more »Benign Positional Vertigo
Benign positional vertigo is the sudden spinning sensation due to a disturbance of the ear’s balance organs. Learn about benign positional vertigo causes, symptoms, tests, treatment and prevention.
See more »Beriberi
Beriberi is a thiamine or vitamin B1 deficiency. Learn about Beriberi causes, symptoms, treatment and prevention.
See more »Bezoar
Bezoars are accumulated balls of swallowed indigestible material that cannot pass through the intestines. Learn about bezoar causes, symptoms, tests, treatment and prevention.
See more »Bilateral Hydronephrosis
Bilateral hydronephrosis is the distention of the pelvic and calyces of both kidneys from failed kidney drainage. Learn about bilateral hydronephrosis causes, symptoms, tests, treatment and prevention.
See more »Bile Duct Obstruction
Bile duct obstructions can occur when any of the bile ducts become blocked by gallstones or other causes. Learn about bile duct obstruction causes, symptoms, tests, treatment and prevention.
See more »Biliary Atresia
Biliary atresia is a congenital obstruction of the bile ducts from failed fetal development. Learn about biliary atresia causes, symptoms, tests, treatment and prevention.
See more »Biliary Stricture
Biliary stricture is abnormal of a biliary duct from surgical trauma, injury or cancer. Learn about biliary stricture causes, symptoms, tests, treatment and prevention.
See more »Bipolar Disorder
Bipolar disorder is defined as very abrupt mood swings between excitability and depression. Learn about bipolar disorder causes, symptoms, tests, treatment and prevention.
See more »videos: disease & conditions
Related Ad Categories
Symptom Checker
Learn more about what ails you. Here are some common symptoms.
Common Symptoms:
Diseases A-Z
A comprehensive guide with three thousand articles, including images and multimedia.
Common Conditions:
