Juvenile idiopathic arthritis (JIA), formerly called juvenile rheumatoid arthritis (JRA) or juvenile chronic arthritis (JCA), is a disease that affects children age 16 and younger. It causes inflamed, swollen, stiff, and often painful joints. JIA may affect one or more joints and can cause a generalized illness.
The cause of JIA is unknown. Most experts believe it may be caused by a combination of the following factors:
Common symptoms of JIA include:
A child with JIA will likely be treated with a combination of medicines and physical therapy. The goals of medical treatment are to reduce your child's joint pain and to prevent disability.
For more information, see the topic Juvenile Idiopathic Arthritis.
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