Kaposi's varicelliform eruption in phenytoin-induced erythroderma

A 48-year-old female presented with 15-days-duration of erythroderma after taking phenytoin. She had erosions covered with thick yellow crusts around the oral cavity, started 12 days after erythroderma. [Figure 1]. Systemic examination and blood investigations were within normal limits. The patient was treated for erythroderma and her general condition improved, however, the perioral erosions increased in number with thick crusting. On further...