Certain factors increase your risk of reactive arthritis:

  • Your age. Reactive arthritis occurs most frequently in people 20 to 40 years old.
  • Your sex. Women and men are equally likely to develop reactive arthritis in reaction to foodborne infections. However, men are more likely than are women to develop reactive arthritis in response to sexually transmitted bacteria.
  • Hereditary factors. A specific genetic marker has been linked to reactive arthritis. But many people who have this marker never develop reactive arthritis.
Feb. 19, 2014