Viagra is the most widely counterfeited drug on the market. A phone or video consultation is sometimes required for legal purposes. Men who are taking nitrates or nitroglycerin Those with hypotension Men who have heart disease or heart failure ED can be the first sign of other health conditions, including cardiovascular disease and diabetes. Is Sildenafil just a cheaper version of Viagra? Sildenafil viagra and the heart. Stop taking VIAGRA and call your healthcare provider right away if you have any sudden vision loss sudden hearing decrease or hearing loss. It lasts 4 to 5 hours, or longer if you have mild to moderate ED. · EXERCISING for at least 30 minutes three times a week can be just as effective as Viagra and similar medications at improving erectile function, according to a new analysis of the best research on. According to price-comparison site test1.ru, generic Revatio will cost you as little as $ per pill, depending on where you fill your prescription. That’s compared with more than $50 per. Viagra is the brand name for sildenafil, a medication for treating erectile dysfunction (ED). BlueChew and Hims offer chewable forms of these medications, which people may find easier to take.