DETAILED NOTES ON HOW TO MAINTAIN AN ERECTION

take medicines known as "nitrates" (such as nitroglycerin) use Road drugs termed "poppers" including amyl nitrate or amyl nitrite, and butyl nitrate choose any medicines referred to as guanylate cyclase stimulators including riociguat (Adempas) are allergic to sildenafil, as contained in Viagra® and Revatio, or any from the substances in Viagra®.