choose any medicines known as nitrates, generally prescribed for upper body soreness, or guanylate cyclase stimulators like Adempas® (riociguat) for pulmonary hypertension. Your hypertension could fall to an unsafe degreeConsequences of Other Medicines on VIAGRA Sildenafil metabolism is principally mediated by CYP3A4 (important route) and CYP2C9 (