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Usual Dosing (Adults)

Erectile dysfunction: 10 mg orally prior to anticipated sexual activity (given as a single dose only - not given more than once daily). Dosing range: 5-20 mg.   
Adjust dose if patient receiving an alpha blocker or CYP3A4 inhibitor.

Renal Dosing

dialysis [>50 ml/min]: No changes

[31-50]: Initial dose 5 mg once daily - maximum dose 10 mg not to be given more frequently than every 48 hours.

[< 30 or hemodialysis]: Maximum dose 5 mg.


dialysis Maximum dose 5 mg.


National Institutes of Health, U.S. National Library of Medicine, DailyMed Database.
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