1. joint pain and swelling triggered by an infection in another part of your body
  2. a sexually transmitted infection (STI) or bacterial infection in the intestines causes reactive arthritis


  1. joint pain, tenderness and swelling – usually in weight-bearing joints such as your knees, feet and ankles
  2. lower back and buttock pain
  3. swelling of your fingers and toes
  4. joint stiffness – particularly in the morning
  5. pain or a burning sensation when you pee
  6. urinating more often than usual
  7. having a sudden urge to pee
  8. a discharge of fluid from the penis or vagina
  9. red eyes
  10. watery eyes
  11. eye pain
  12. swollen eye lid


infections by:

  1. Chlamydia
  2. Salmonella
  3. Shigella
  4. Yersinia
  5. Campylobacter
  6. poor immune system
  7. genetics

Risk Factors

  • age
  • gender
  • hereditary factors

Diagnostic Tests

  • blood test-HLA B27 gene
  • joint fluid test
  • white blood cell count
  • X rays


  • Corticosteroids
  • Rheumatoid arthritis drugs
  • Nonsteroidal anti-inflammatory drugs (NSAIDs)
  • disease-modifying anti-rheumatic drug (DMARD)
  • physical therapy


  • prednisolone
  • sulfasalazine
  • indomethacin (Indocin)
  •  methotrexate (Trexall) or etanercept (Enbrel)