Histopathologic features of exanthematous (morbilliform) drug eruption
Histopathologic features of exanthematous (morbilliform) drug eruption
The histologic features of morbilliform drug eruptions are typically those of an interface dermatitis with scattered, dyskeratotic keratinocytes along the dermoepidermal junction. There is also a superficial, perivascular, lymphocytic infiltrate with scattered eosinophils and mild papillary edema.