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Linsidomine is a vasodilator. Linsidomine (SIN-1) is a metabolite of the antianginal drug molsidomine and acts by releasing NO from the endothelial cells nonenzymatically. It also hyperpolarizes the cell membrane through influencing the sodium-potassium pump and thereby rendering it less responsive to adrenergic stimulation ). Linsidomine injection at a dose of 1 mg produces usable erection in about 70% of patients and full erection in up to 50% of patients . Linsidomine does not appear to be associated with priapism .
