Arthritis is acute or chronic inflammation of one or more joints, typically causing pain, stiffness, swelling, and sometimes loss of movement. The most common type of arthritis is osteoarthritis, but rheumatoid arthritis is also a common form of arthritis.
In Our Own Words
These different kinds of arthritis all tend to involve joint pain, stiffness, and varying degrees of inflammation. Depending on the kind of arthritis, there may be other symptoms outside the joints. The most common kind of arthritis is osteoarthritis, which is very common with age. Other forms of arthritis commonly encountered in medicine are rheumatoid arthritis and gouty arthritis. Rheumatoid arthritis is an autoimmune arthritis while gout results from a disorder of a persons metabolism of uric acid.