A newer form of the medicine that dissolves on the tongue might work faster than the pill that you swallow. Recent heart or blood vessel problems. This medication is taken with or without food an hour before sex. Yes, usually. More serious side effects may include a drop in blood pressure or an erection that lasts longer than four hours.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 . These medicines all work well for ED. When choosing one, tell your doctor or other health care professional what your preferences are, such as cost, ease of use, how long the . CHOOSE BRAND-NAME VIAGRA The original little blue pill prescribed by doctors for over 20 years Clinically proven to treat men with erectile dysfunction (ED) Ongoing .