Major criteria | Fever ≥39 °C lasting ≥1 week |
Arthralgia or arthritis lasting ≥2 weeks | |
Typical nonpruritic salmon-colored rash | |
Leukocytosis ≥10,000/μl with granulocytes ≥80% | |
Minor criteria | Sore throat |
Lymphadenopathy | |
Splenomegaly | |
Abnormal liver function tests | |
Negative tests for antinuclear antibody and rheumatoid factor | |
Exclusion criteria | Infection |
Malignancy | |
Other rheumatic disease (vasculitis) |