1. complication of inadequately treated strep throat or scarlet fever
  2. Strep throat and scarlet fever are caused by an infection with group A streptococcus bacteria.


  1. Painful and tender joints — most often the ankles, knees, elbows or wrists; less often the shoulders, hips, hands and feet
  2. Pain in one joint that migrates to another joint
  3. Red, hot or swollen joints
  4. Small, painless nodules beneath the skin
  5. Chest pain
  6. Heart murmur
  7. a temperature of 101°F or above
  8. tonsils that are red and swollen
  9. tonsils with white patches or pus
  10. small, red spots on the roof of their mouth
  11. a headache
  12. nausea
  13. vomiting


group A streptococcus bacteria.

  1. strp throat
  2. scarlet fever

Risk Factors

  • family history
  • types of strep bacteria
  • environmental factors

Diagnostic Tests

  • looking for rash or skin nodules, which are hard bumps beneath the skin
  • listening to their heart to check for abnormalities
  • performing movement tests to determine their nervous system dysfunction
  • examining their joints for inflammation
  • testing their blood for strep bacteria
  • performing an electrocardiogram, which measures the electric waves of their heart
  • performing an echocardiogram, which uses sound waves to produce images of their heart


  • antibiotics
  • Anti inflamatory treatment
  • anticonvulsant medication


  • aspirin
  • naproxen (Anaprox, Naprosyn, others)
  • prednisone
  • valproic acid (Depakene)
  • carbamazepine (Carbatrol, Equetro, others)


  • covering your mouth when coughing or sneezing
  • washing your hands
  • avoiding contact with people who are sick
  • avoiding sharing personal items with people who are sick