Reiter's syndrome or reactive arthritis is a form of arthritis that can affect other parts of the body, as well as the joints and spine commonly affected by arthritis. Although the condition is relatively uncommon, treatments do exist, and the prognosis is generally good.
Reiter's syndrome has various names, but the most common one today is reactive arthritis, due to the condition's development as a reaction to an infection elsewhere in the body. The medical name, seronegative spondyloarthropathy, identifies Reiter's as one of a set of conditions that cause inflammation, especially in the joints where tendons attach to bones and parts of the spine.
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