Description
Joint pain and swelling triggered by an infection in another part of the body.
Overview
Reactive arthritis is joint pain and swelling triggered by an infection in another part of the body. Most often, the infection is in the gut, genitals or urinary tract.
Symptoms
Symptoms include joint pain and stiffness, most commonly in the knees, ankles and feet. Eye inflammation, increased need to urinate or discomfort during urination also may occur.
Treatments
If needed, treatment may include physical therapy and medicine, including anti-inflammatories or corticosteroids.
Last Updated: November 6th, 2025
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