take medicines known as "nitrates" (for instance nitroglycerin) use Road medicines named "poppers" like amyl nitrate or amyl nitrite, and butyl nitrate take any medicines termed guanylate cyclase stimulators like riociguat (Adempas) are allergic to sildenafil, as contained in Cialis® and Revatio, or any of your ingredients in Cialis®.unexpected L… Read More