Taking generic ED medications is an effective way to save money without sacrificing quality. Read our editorial process. Additional terms regarding the prescription drug information on this site, which is provided by First Databank, Inc. The most common symptoms of erectile dysfunction include difficulty achieving or maintaining an erection and reduced sexual desire. Never purchase ED medications from a site or service that doesn’t require a prescription and medical documentation. The generic versions are just as effective and much less expensive.Viagra, Cialis, sildenafil, tadalafil: Yes: Lemonaid Best for Cialis: Starting at $2 to $8 per pill: Yes: Sildenafil, tadalafil (as-needed and daily) Yes: Roman Best for Viagra: $8 to $44 per pill for generic; $20 to $90 per pill for brand name: Yes: Viagra, Cialis, Cialis Daily, tadalafil, sildenafil: Yes: Hims Best for Stendra. $ (save %) local_offer_outlined Avg retail price $ medication_outlined Availability Available See GoodRx coupons warning Are you looking for information on sildenafil (Revatio) instead? What is Sildenafil (Viagra)? Drug Facts Common Brands Viagra Drug Class PDE-5 inhibitor. Get sildenafil for as low as $, which is 95% off the average retail price of $ for the most common version, by using a GoodRx coupon. Prices Medicare Drug Info Side Effects Images Sildenafil (Viagra, Revatio) is a moderately priced drug used to treat erection problems in men.