Arthritis in children, with onset before 16 years of age. The terms juvenile rheumatoid arthritis (JRA) and juvenile idiopathic arthritis (JIA) refer to classification systems for chronic arthritis in children. Only one subtype of juvenile arthritis (polyarticular-onset, rheumatoid factor-positive) clinically resembles adult rheumatoid arthritis and is considered its childhood equivalent.
Also Known As:
Juvenile Idiopathic Arthritis; Juvenile Chronic Arthritis; Arthritis, Juvenile; Enthesitis-Related Arthritis, Juvenile; Juvenile Rheumatoid Arthritis; Juvenile-Onset Still Disease; Juvenile-Onset Stills Disease; Oligoarthritis, Juvenile; Polyarthritis, Juvenile, Rheumatoid Factor Negative; Polyarthritis, Juvenile, Rheumatoid Factor Positive; Psoriatic Arthritis, Juvenile; Still Disease, Juvenile-Onset; Systemic Arthritis, Juvenile; Arthritides, Childhood; Arthritis, Childhood; Arthritis, Juvenile Enthesitis-Related; Arthritis, Juvenile Psoriatic; Arthritis, Juvenile Systemic; Childhood Arthritides; Chronic Arthritis, Juvenile; Enthesitis Related Arthritis, Juvenile; Idiopathic Arthritis, Juvenile; Juvenile Enthesitis-Related Arthritis; Juvenile Oligoarthritis; Juvenile Onset Still Disease; Juvenile Onset Stills Disease; Juvenile Psoriatic Arthritis; Juvenile Systemic Arthritis; Juvenile-Onset Still's Disease; Rheumatoid Arthritis, Juvenile; Still Disease, Juvenile Onset; Still's Disease, Juvenile Onset; Stills Disease, Juvenile-Onset; Arthritis, Juvenile Chronic; Arthritis, Juvenile Idiopathic; Arthritis, Juvenile Rheumatoid; Childhood Arthritis; PCJIA; PJIA Polyarticular Juvenile Idiopathic Arthritis; Polyarticular Juvenile Idiopathic Arthritis; Polyarticular-Course Juvenile Idiopathic Arthritis; Still's Disease, Juvenile-Onset