Health Library

Irritable Bowel Syndrome (IBS) in Children

Irritable bowel syndrome (IBS) is a long-term (chronic) condition that affects the intestine. IBS causes painful belly (abdominal) and bowel symptoms.

Juvenile Ankylosing Spondylitis (JAS) in Children

Juvenile ankylosing spondylitis is a type of arthritis. It affects the spine and the places where the muscles, tendons, and ligaments are attached to bone. Ankylosing means stiff or rigid. Spondyl means spine. Its refers to inflammation.

Juvenile Arthritis and Other Rheumatic Diseases

Arthritis is an inflammation of the joints that causes pain and swelling. Juvenile arthritis is the term used for arthritis in children. Read on to learn more.

Juvenile Dermatomyositis

Juvenile dermatomyositis (JDM) is a rare disease that causes muscle inflammation and a skin rash.

Juvenile Idiopathic Arthritis

Juvenile idiopathic arthritis (JIA) is a form of arthritis in children. Arthritis causes joint swelling (inflammation) and joint stiffness. JIA is arthritis that affects 1 or more joints for at least 6 weeks in a child age 16 or younger.

Juvenile Osteoporosis

Osteoporosis is a condition where the bones are thinner than normal. The condition is much more common in older adults, but it can also occur during childhood. Read on to learn more.

Kawasaki Disease in Children

Kawasaki disease is a rare illness that most often affects children. Learn more about this condition, including symptoms, diagnosis, treatment, and complications.

Keeping Your Baby Warm

Premature and low-birth-weight babies may be too immature to regulate their own temperature, even in a warm environment. Read on to learn how to safely keep them warm.

Keratitis in Children

Keratitis is an inflammation or infection of the cornea of the eye. The cornea is the clear, dome-shaped surface that covers the front of the eye.

Ketogenic Diet for Seizures in Children

A ketogenic diet is a special type of diet that causes the body to make ketones. The diet is very high in fat, and very low in carbohydrates. It includes enough protein to help your child grow.

Kidney Disease in Children

Kidney disease (renal failure) is short-term or permanent damage to the kidneys that results in loss of normal kidney function.

Kidney Transplantation in Children

Here you will find detailed information on kidney transplants, including why a kidney transplant is recommended, what is involved in kidney transplant surgery, and the long-term outlook for a child after a kidney transplant.