Psoriatic arthritis is a rare form of arthritis or joint inflammation that affects both skin and joints. Read on to learn about this condition in children, from causes and symptoms to diagnosis and treatment.

Detailed information on living with a rheumatic disease.

Although it is not a perfect measure, BMI gives a fairly accurate evaluation of how much of your teen's body is made up of fat.

Detailed information on special considerations for teens with diabetes.

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.

Detailed information on pediatric arthritis and other rheumatic diseases

IgA Vasculitis is a condition that involves swelling (inflammation) of small blood vessels. The swollen blood vessels leak into the skin, joints, intestines, and kidneys.

Fibromyalgia is a condition that causes pain in muscles and soft tissues all over the body. It is an ongoing (chronic) condition. It can affect the neck, shoulders, back, chest, hips, buttocks, arms, and legs.

The cholesterol in blood comes from 2 sources: the foods your teen eats and their liver. The liver, however, makes all of the cholesterol your teen's body needs.

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