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(a) Diagnostic criteria for drug reaction with eosinophilia and systemic symptoms (DRESS) [2].
| Diagnosis of DRESS is confirmed by the presence of all of the following criteria: | |
| (1) Cutaneous drug eruption | |
| (2) Adenopathies ≥ 2 cm in diameter or hepatitis (liver transaminases ≥ 2 times upper limit of normal) or interstitial nephritis or interstitial pneumonitis or carditis | |
| (3) Hematologic abnormalities: eosinophilia ≥ 1.5 × 109 L−1 or atypical lymphocytes |
