Reactive arthritis is a condition that causes inflammation, pain and swelling of the joints. It usually develops after an infection, often in the bowel or genital areas. The infection causes activity in the immune system. The normal role of your body's immune system is to fight off infections to keep you healthy. In some people this activity of the immune system causes joints to become inflamed, however the joints themselves are not actually infected. About one in ten people with specific types of infections will develop reactive arthritis.
To learn more about reactive arthritis download the information sheet to help you understand how you may be affected and what you can do to manage it, as well as where to find further information and advice.