The Causes and Treatment of ArthritisAbout This Hardback Any disorder that affects the joints can be termed as arthritis. Joint pain and stiffness are its key characteristics. Some other symptoms may also occur, such as warmth, swelling, redness and decreased range of motion around the affected joints. The onset of arthritis can be sudden or gradual. Osteoarthritis, ankylosing spondylitis, rheumatoid arthritis, juvenile idiopathic arthritis, septic arthritis, gout and pseudo gout are