Reactive arthritis can develop following an infection of the bowel or genital tract, causing painful, swollen joints. There are no specific tests to diagnose it, so doctors may use a range of Reactive arthritis is a form of spondyloarthritis, a group of arthritis conditions that typically involve the sacroiliac joints in the lower back, and entheses (places where tendons or ligaments attach to bones). It may involve one or more joints, though usually six or fewer. It causes pain and stiffness in your joints, especially in your lower body. ReA commonly afflicts the lower extremities, especially the knees and/or ankles, and is often asymmetric. May 20, 2023 · ReA typically occurs anywhere from 3 days to 6 weeks after the antecedent infection. Reactive arthritis (Reiter’s syndrome) is a rare, temporary form of inflammatory arthritis that’s triggered by a bacterial infection. . May 21, 2025 · REACTIVE ARTHRITIS OVERVIEW Reactive arthritis is a very uncommon type of arthritis in which the joints become painful and swollen within four weeks after an infection in another part of your body. Reactive arthritis is a type of arthritis caused by certain types of bacterial infection. Learn the causes, symptoms and treatments. Foot pain in people with reactive arthritis is usually due to inflammation of entheses. Dec 22, 2025 · Reactive arthritis is a condition that causes joint pain and swelling, also called inflammation, after an infection in another part of the body. The goals of therapy in reactive arthritis is to provide symptomatic relief and prevent chronic complications. Reactive arthritis, formerly called Reiter's syndrome, is a type of arthritis that occurs as a 'reaction' to a bacterial infection in another part of the body. Non-steroidal anti-inflammatory drugs (NSAIDS) are the initial treatment of choice in the acute phase. The infection typically starts in the gut, genitals or urinary tract. May 13, 2021 · It involves joint pain, swelling, and potential discoloration, mainly affecting the feet, ankles, back, and knees. It most often occurs in the joints of the lower limbs (knees, ankles, toes), but can also occur in the upper limbs. The most common joints affected are those in the lower extremities such as the knees and the ankles. This condition typically affects the knees, ankles and feet. Reactive arthritis refers to pain, stiffness, redness or swelling in a joint resulting from a previous infection.

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