Table 2.

Histopathologic clues which could help for the differential diagnosis between viral exanthem and drug-induced reaction.

Patients	Dermal eosinophilic infiltrate	Vacuolar change of basal keratinocyte	Apoptotic keratinocyte	Lymphocytic exocytosis
Patient 1	Discrete	No	No	No
Patient 2	No	Rare	No	Discrete
Patient 3	No	Rare	No	Discrete
Patient 4	No	Rare	Rare	Discrete
Patient 5	No	Rare	No	Discrete
Patient 6	Discrete	No	No	Discrete