Polyarticular juvenile idiopathic arthritis–rheumatoid factor negative. This is the second most common type, affecting five or more joints in the first 6 months. Tests for rheumatoid factor are negative. The rheumatoid factor blood test checks for autoimmune disease, especially rheumatoid arthritis, which is an adult form of arthritis. Some ...

Arthritis is caused by inflammation of the joints. Find out all you need to know about juvenile arthritis. Juvenile Idiopathic Arthritis (JIA) Basics: Overview, Symptoms, and Causes

Treating juvenile idiopathic arthritis typically requires a team approach that involves several different health care providers. JIA is primarily treated by: Pediatric rheumatologists, who specialize in treating arthritis and other diseases in children that involve the joints, bones, muscles, and immune system.

Although joint inflammation is a symptom or sign rather than a specific diagnosis, the term arthritis is often used to refer to any disorder that affects the joints. There are many types of arthritis, including ankylosing spondylitis, gout, juvenile arthritis, osteoarthritis, psoriatic arthritis, reactive arthritis, and rheumatoid arthritis.

What is rheumatoid arthritis? Rheumatoid arthritis (RA) is a chronic (long-lasting) disease that mostly affects joints, such as the wrist, hands, feet, spine, knees, and jaw. In joints, RA causes inflammation that leads to: Pain. Swelling; Stiffness. Loss of function. Rheumatoid arthritis is an autoimmune disorder because the immune system ...

You are more likely to get rheumatoid arthritis if you have certain risk factors. These include: Age. The disease can happen at any age; however, the risk for developing rheumatoid arthritis increases with older age. Children and younger teenagers may be diagnosed with juvenile idiopathic arthritis, a condition related to rheumatoid arthritis. Sex.

For a doctor to diagnose your child with juvenile arthritis, symptoms must have started before age 16. Doctors usually suspect juvenile arthritis, along with several other possible conditions, when they see children with persistent joint pain or swelling, unexplained skin rashes, and fever associated with swelling of lymph nodes or inflammation of internal organs.

Treatment of Rheumatoid Arthritis. Treatment of rheumatoid arthritis continues to improve, which can give many people relief from symptoms, improving their quality of life. Doctors may use the following options to treat RA: Medications. Physical therapy and occupational therapy. Surgery. Routine monitoring and ongoing care. Complementary therapies.

Juvenile arthritis describes arthritis in children. Arthritis is caused by inflammation of the joints ...

The symptoms of reactive arthritis often clear up on their own within a few weeks or months, but they may become chronic (long-lasting) in some people. Causes of Reactive Arthritis Reactive arthritis is triggered by an infection—frequently a sexually transmitted or food-borne bacterial infection—but it is separate from the infection and ...