The term Juvenile arthritis may refer to a number of different types of arthritis that occur in children and teenagers the most prevalent type is "juvenile idiopathic arthritis" (JIA), This disease is also known as juvenile rheumatoid arthritis (JRA) or juvenile chronic arthritis (JCA).

Types of juvenile arthritis include

juvenile idiopathic arthritis (or juvenile rhuematoid arthritis), including oligoarthritis, polyarticular and systemic

spondyloarthropathies, including ankylosing spondylitis, psoriatic arthritis and reactive arthritis

fibromyalgia

and other types, such as Perthes disease, lupus, dermatomyositis and scleroderma