Table 2.
Diagnostic criteria for drug-induced hypersensitivity syndrome (DiHS) established by the Japanese Consensus Group *** [13].
| 1 | Maculopapular rash developing >3 weeks after starting with a limited number of drugs |
| 2 | Prolonged clinical symptoms 2 weeks after discontinuation of the causative drug |
| 3 | Fever >38 °C |
| 4 | Liver abnormalities (alanine aminotransferase >100 U/L) |
| 5 | Leucocyte abnormalities (at least one present) |
| a | Leucocytosis (>11 × 109/L) |
| b | Atypical lymphocytosis (>5%) |
| c | Eosinophilia (>1.5 × 109/L) |
| 6 | Lymphadenopathy |
| 7 | HHV-6 reactivation |
*** The diagnosis is confirmed by the presence of the seven criteria (typical DiHS) or of five criteria (atypical DiHS).