While physicians increasingly recognize nicorandil-related mucocutaneous ulcerations, there are still misdiagnoses, particularly in the case of unusual location and late onset ulceration after nicorandil introduction. The goal of our study was to remind clinicians about the link between nicorandil use and the development of cutaneous ulcerations and to highlight the risk of misdiagnosis. We describe five reports diagnosed by the same dermatologist, complemented by an analysis of the French pharmacovigilance database (FPVD) from 1 January 1994 to 5 January 2017.
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