VIAGRA incorporates sildenafil, which is similar medicine found in A further drug termed REVATIO. REVATIO is made use of to deal with a scarce sickness named pulmonary arterial hypertension (PAH).Outcomes of Other Drugs on VIAGRA Sildenafil metabolism is principally mediated by CYP3A4 (key route) and CYP2C9 (minimal route). For that reason, inhibit