Juvenile Idiopathic Arthritis: Symptoms & Signs

Medically Reviewed on 9/10/2019

Juvenile idiopathic arthritis is joint disease that occurs in children. The condition was formerly referred to as juvenile rheumatoid arthritis.

Signs and symptoms of juvenile idiopathic arthritis vary according to the specific subtype present in an individual. These can include swollen joints, joint pain, joint warmth, stiff joints, limping, and favoring one limb over another. Some subtypes of juvenile idiopathic arthritis can cause other associated symptoms such as swollen lymph nodes, weight loss, fatigue, irritability, appetite loss, fever, and skin rash.

Cause of a juvenile idiopathic arthritis

The term idiopathic means the cause is not known. There are six different subtypes of juvenile idiopathic arthritis, and the cause is not known. There is a known genetic predisposition to developing the condition.

Other juvenile idiopathic arthritis symptoms and signs


The term arthritis refers to stiffness in the joints. See Answer

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Kasper, D.L., et al., eds. Harrison's Principles of Internal Medicine, 19th Ed. United States: McGraw-Hill Education, 2015.