Reactive poststreptococcal arthritis

Background

• Arthritis of one or more joints after GAS pharyngitis
  • May represent mild form of rheumatic fever or separate entity
• Not a/w other Major Jones criteria; milder illness than rheumatic fever

Diagnosis

• Begins approx 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

Treatment

• Penicillin if GAS is recovered from the throat
• NSAIDs

Disposition

• Discharge

See Also

Arthritis

Source

Tintinalli