A Delayed Presentation of Acute Generalized Exanthematous Pustulosis (AGEP)

Acute Generalized Exanthematous Pustulosis (AGEP) is a Type IVd hypersensitivity reaction that usually occurs within 1-5 days of drug exposure. The diagnosis is clinical and confirmed by skin biopsy. A scoring algorithm has been developed which assigns points to characteristic clinical signs in order to aid in the diagnosis. AGEP is a self-limited disease with a favorable prognosis in most cases. We present an unusual delayed presentation of AGEP secondary to hydroxycholoroquine