Reactive poststreptococcal arthritis

Background

  • Arthritis of one or more joints after Group A strep pharyngitis
    • May represent mild form of rheumatic fever or separate entity
  • Not associated with other Major Jones criteria; milder illness than rheumatic fever

Clinical Features

  • Begins approximately 10d after strep infection (compared to 21d for rheumatic fever)
  • Arthritis
    • Generally more severe than that in RF
    • Non-migratory, mono or oligoarthritis
    • ASA-resistant
  • Erythema nodosum and erythema multiforme are frequently seen

Differential Diagnosis

Monoarticular arthritis

Algorithm for Monoarticular arthralgia

Polyarthritis

Algorithm for Polyarticular arthralgia

Evaluation

Management

Disposition

  • Discharge

See Also

References

Authors:

Ross Donaldson