Health Information Library

A rare heart rhythm disorder that can cause dangerously fast and irregular heartbeats.

Irritation and swelling of the ear, often from infection.

A rare but serious infection caused by bacteria spread by small animals and their fleas.

A cancer that starts in the prostate, a small walnut-shaped gland that produces seminal fluid.

A group of viruses that commonly cause stomach upset and diarrhea, especially in children.

Pain in the inner or outer ear that can affect hearing. Often caused by fluid buildup and infection.

A condition in which the kidneys lose their ability to filter waste and excess fluid from the blood.

A testicle that hasn't moved into the bag of skin below the penis before birth.

A condition that causes a frequent and sudden urge to urinate that may be hard to control.

An infection of the nose and throat caused by a virus.

An infection of the air-filled space behind the eardrum, also known as the middle ear.

A blockage of blood flow to the heart. Also called a heart attack.

Death of body tissue caused by an infection or lack of blood flow.

A common condition in which narrowed arteries reduce blood flow to the arms or legs.

A genetic disease in which fluid-filled sacs called cysts grow mainly in the kidneys.

A buildup of fluid in the lungs that can be life-threatening.

Pain in the lowest part of the stomach and pelvis.

Condition in which blood has fewer red cells, white cells and platelets than usual.

An itchy rash that can happen during the last three months of pregnancy.

Malnutrition caused by a serious lack of protein in the diet.