get medicines named "nitrates" (including nitroglycerin) use Road medicines called "poppers" such as amyl nitrate or amyl nitrite, and butyl nitrate consider any medicines known as guanylate cyclase stimulators like riociguat (Adempas) are allergic to sildenafil, as contained in Viagra® and Revatio, or any of your components in Viagra®.Nocturnal … Read More