50 mg approx 1 hr before sexual activity. May be increased to 100 mg or decreased to 25 mg. Max: 100 mg once/day.
May be taken with or without food.
Patients who use nitric oxide donors or nitrates in any form. Childn & women.
Patients w/ anatomical deformation of the penis or conditions which may predispose to priapism. Patients w/ bleeding disorders or active peptic ulcer. Retinitis pigmentosa. When sexual activity is inadvisable.