Outcomes of Other Medication on VIAGRA Sildenafil metabolism is principally mediated by CYP3A4 (important route) and CYP2C9 (slight route). Therefore, inhibitors of such isoenzymes could lessen sildenafil clearance and inducers of those isoenzymes may perhaps maximize sildenafil clearance.Should you miss out on a dose of Revatio, go ahead and take