Amyotrophic lateral sclerosis (ALS) — often known as Lou Gehrig's disease — is a degenerative condition causing loss of control of voluntary muscles.
Anaphylaxis is the most serious type of allergic reaction. It often occurs rapidly after exposure to an allergen and may be life-threatening.
Ataxia describes lack of muscle coordination while performing voluntary movements. A sign of an underlying condition, ataxia can affect any part of your body.
Bladder stones are small masses of minerals in your bladder — often forming as a result of an enlarged prostate, nerve damage or infection.
Are you worried you might have chlamydia? Find out how this common sexually transmitted infection is diagnosed and treated.
Chronic kidney disease, often caused by diabetes or high blood pressure, is the gradual loss of kidney function. Early detection and treatment can help.
Congenital adrenal hyperplasia is a genetic condition affecting the adrenal glands and interfering with normal growth and development in boys and girls.
Cushing syndrome is caused by an excess of the hormone cortisol, originating from your adrenal glands or from corticosteroid medications you're taking for another illness.
You normally lose about 10 cups (2.4 liters) of water every day — much more during exercise or illness. Learn how to stay hydrated.
Diabetes insipidus is a rare condition characterized by intense thirst and the excretion of large amounts of urine.
Hemolytic uremic syndrome is an uncommon condition that can cause life-threatening kidney failure, especially for children and older adults.
Henoch-Schonlein purpura causes inflammation of small blood vessels (vasculitis) and often a purplish rash. It's most common in children ages 2 to 6.
IgA nephropathy (Berger's disease) is a kidney disorder caused by abnormal deposits of immunoglobulin A (IgA) inside your kidneys.
Infant jaundice, a yellowing of the skin and eyes, is common after birth. Careful monitoring and treatment is important for preventing rare, but serious, complications.
Frequent urination and pelvic pain may indicate interstitial cystitis, a chronic bladder inflammation. There's no cure, but some treatments offer relief.
Most people exposed to listeria don't become ill. But for those at risk of a listeria infection — a foodborne illness — the consequences can be severe.
Prostatitis, inflammation of the prostate gland, can cause significant male pelvic pain and other symptoms.
Retrograde ejaculation occurs when semen enters the bladder instead of emerging through the penis during orgasm. Find out about symptoms and treatment.
Rickets is a severe and prolonged vitamin D deficiency that leads to softening and weakening of the bones in children.
Secondary hypertension is a type of high blood pressure that's caused by another medical condition. Prompt treatment is often necessary to avoid complications.
Excessive sweating and body odor can be embarrassing. Find out the possible causes and what you can do about this personal problem.
You don't have to accept vaginal problems as part of getting older. Discover treatment options.
Feb. 15, 2014
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