<unk>  may be self-limiting, frequently recurring, chronic or progressive. Most patients have severe symptoms lasting a few weeks to six months. 15 to 50 percent of cases involve recurrent bouts of arthritis. Chronic arthritis or sacroiliitis occurs in 15–30 percent of cases. Repeated attacks over many years are common, and patients sometimes end up with chronic and disabling arthritis, heart disease, amyloid deposits, ankylosing spondylitis, immunoglobulin A nephropathy, cardiac conduction abnormalities, or aortitis with aortic regurgitation. However, most people with<unk>  can expect to live normal life spans and maintain a near-normal lifestyle with modest adaptations to protect the involved organs.
Reactive arthritis
Behçet's disease
Rheumatoid arthritis
Septic arthritis
Psoriatic arthritis
Plantar fasciitis
Inflammatory arthritis
Rheumatism