Conditions

Juvenile ankylosing spondylitis (JAS) is a type of arthritis that affects the spine and the sites where the muscles, tendons, and ligaments are attached to bone. Learn more about this condition.

Juvenile dermatomyositis (JDM) is a rare disease that causes muscle inflammation and a skin rash. It is one of the conditions in a group of conditions called the dermatomyositis/polymyositis complex and is the condition most often seen in children. Learn more about this condition.

Fibromyalgia, also called fibrositis, is a chronic, widespread pain in muscles and soft tissues surrounding the joints throughout the body, accompanied by fatigue. Learn more about this condition.

Henoch-Schönlein purpura (HSP) is a condition that involves swelling (inflammation) of small blood vessels. Learn more about this condition.

Kawasaki disease is a form of vasculitis, or blood vessel inflammation, that primarily affects children.

Rheumatic fever is a complicated, involved disease that affects the joints, skin, heart, blood vessels and brain that may develop after an infection with streptococcus bacteria. Learn more about this condition.

Systemic lupus erythematosus, also known as SLE or simply lupus, is a disease that is characterized by periodic episodes of inflammation of and damage to the joints, tendons, other connective tissues and organs. Learn more about this condition.

There are two forms of scleroderma: localized scleroderma and systemic sclerosis. Localized scleroderma may involve patches of the skin on the trunk, arms, legs or head. Systemic sclerosis is a chronic, degenerative disease that affects the joints, skin, and internal organs. Learn more about these conditions.

Psoriatic arthritis is a form of arthritis associated with psoriasis, a chronic skin and nail disease characterized by red, scaly rashes and thick, pitted fingernails. Learn more about this condition.

There are two forms of scleroderma: localized and systemic.