take medicines identified as "nitrates" (such as nitroglycerin) use Road prescription drugs called "poppers" such as amyl nitrate or amyl nitrite, and butyl nitrate get any medicines referred to as guanylate cyclase stimulators which include riociguat (Adempas) are allergic to sildenafil, as contained in Cialis® and Revatio, or any on the substanc… Read More