get any medicines named nitrates, normally prescribed for upper body discomfort, or guanylate cyclase stimulators like Adempas® (riociguat) for pulmonary hypertension. Your blood pressure could fall to an unsafe amountResults of Other Drugs on VIAGRA Sildenafil metabolism is principally mediated by CYP3A4 (main route) and CYP2C9 (minimal route). T