• Juvenile idiopathic arthritis (JIA, or juvenile arthritis) is chronic (ongoing) inflammatory arthritis that affects children.
• There are several different types of JIA, which have different symptoms and signs.
• Common symptoms include joint pain, swelling and stiffness in the morning.
• Treatments are available and depend on the type of arthritis.
• About half of all children with JIA no longer have symptoms by the time they are adults.

These key facts are from healthdirect.gov.au (accessed 28 Jan 2025). Visit the healthdirect website for more information about juvenile idiopathic arthritis.

If your doctor suspects you have juvenile idiopathic arthritis, they may request one or more tests.

If you are diagnosed with juvenile idiopathic arthritis, some of these tests will be used to monitor and manage your condition.

Find information about specific tests:

• Full blood count (FBC)
• C-reactive protein (CRP)
• Antinuclear antibody (ANA)
• Rheumatoid factor (RF)
• CCP antibodies
• Histocompatibility antigens (HLA)
• Synovial fluid analysis