Abstract
Acute generalized exanthematous pustulosis (AGEP) is a serious and rare adverse reaction to clindamycin. This study investigated the clinical features of clindamycin-induced AGEP and provided reference for the prevention and treatment of AGEP. Case reports, case series and clinical studies of clindamycin-induced AGEP were collected by retrieving English and Chinese database from inception until May 31, 2024. Of the 35 patients included, 25 (71.4%) were female, and the median age was 57 years (1.6-88 years). The duration of AGEP onset is 2 days (range 0.04,13) after initial administration. The main clinical morphology of AGEP is a non-follicular pustular on an erythematous base, which may be accompanied by fever (54.3%) and pruritus (40.0%). These lesions mainly involved extremities and trunk. The median elevated neutrophil count was 13.3 × 109/L (range 10.3, 31.4). Histologic features of AGEP are characterized by intracorneal, subcorneal, and/or intraepidermal pustules with papillary dermal edema containing neutrophilic, lymphocytic, andeosinophilic infiltrates. Patients gradually recovered after the withdrawal of clindamycin and supportive therapy with a median time of 9 days (range 2, 30). Clinicians should be aware of AGEP as a rare adverse effect of clindamycin. When clindamycin is prescribed, it should be stopped in time when AGEP occurs, and active systemic treatment should be given. AGEP is a self-limiting disease with a good prognosis.
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