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  • Title: [Nicorandil-associated anal ulceration].
    Author: Rival AL, Allombert-Blaise C, Ly A, Grandjean JP, Faure M, Claudy A.
    Journal: Ann Dermatol Venereol; 2006 Oct; 133(10):781-3. PubMed ID: 17072194.
    Abstract:
    BACKGROUND: Nicorandil is a potassium-channel activator used in the treatment of angina pectoris. The first cases of anal ulcerations induced by nicorandil were published in 2002. CASE REPORT: A 71-year-old man presented with a 2-year history of anal ulcerations occurring within a few months of initiation of treatment with Nicorandil. Histological tests on a biopsy sample showed granulation tissue with non-specific chronic inflammation. Nicorandil was stopped and this resulted in complete healing of the ulcers after three months. DISCUSSION: Nicorandil can induce chronic and extensive anal ulcerations. The pathogenesis is unknown. Patients are usually treated with high doses of nicorandil. Dermatologists should be aware of this rare side-effect which heals after withdrawal of the drug.
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