In this report, we present a case of a woman currently on HIV antiretroviral therapy who presented with oral mucosal and cutaneous skin lesions with a target-like appearance following completion of a five-day course of Paxlovid™ for symptomatic COVID-19 infection. The patient was treated with intravenous steroids and oral antihistamines with mild improvement. However, she returned in one week with worsening skin lesions. The biopsy and infectious workup were non-contributory. It was determined that the patient had developed erythema multiforme (EM), secondary to Paxlovid™.
Keywords: covid-19; erythema multiforme; hiv positive; medication interaction; nirmatrelvir-ritonivir; paxlovid.
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