Reactive arthritis is joint pain and swelling triggered by an infection. It ranges from mild to severe. It often goes away on its own. For some, it can be long lasting.
Reactive arthritis is usually caused by an infection in the genitals or digestive system. The body overreacts to the infection. This causes inflammation, even after the infection is gone. Genes may also play a role.
Things that may raise the risk of reactive arthritis are:
García-Kutzbach A, Chacón-Súchite J, et al. Reactive arthritis: update 2018. Clin Rheumatol. 2018;37(4):869-874.
Questions and answers about reactive arthritis. National Institute of Arthritis and Musculoskeletal and Skin Diseases website. Available at: https://www.niams.nih.gov/health-topics/reactive-arthritis. Accessed April 1, 2021.
Reactive arthritis. American College of Rheumatology website. Available at: https://www.rheumatology.org/I-Am-A/Patient-Caregiver/Diseases-Conditions/Reactive-Arthritis. Accessed April 1, 2021.
Reactive arthritis. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/reactive-arthritis . Accessed April 1, 2021.
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