Juvenile rheumatoid arthritis (JRA) is a type of arthritis that happens in children age 16 or younger. It causes joint swelling, stiffness and sometimes reduced motion. It can affect any joint, and in some cases it can affect internal organs...
But no matter what symptoms appear, hearing the word "arthritis" in a diagnosis for your child can be unexpected and confusing. ... The most prevalent form of juvenile arthritis is juvenile rheumatoid arthritis , or JRA...