Juvenile arthritis is observed in children of age below 16 years who develop swelling (inflammation) of joints and their surrounding tissues including the synovium. This is an autoimmune disease without any known exact cause. It is related to genetics, environmental factors, and infections.
Children with juvenile arthritis may or may not have symptoms. Some of the commonly noticed symptoms include joint stiffness, pain, swelling, limping, persistent fever, rash, irritability, tiredness and vision problems.