After 12 weeks, sildenafil, though well-tolerated, was not perceived as improving the sexual response in either group. That’s not to say there aren’t just as many illegitimate sites. There are two tiers of subscription plans. You’ll soon start receiving the latest Mayo Clinic health information you requested in your inbox. Most erectile dysfunction medications belong to the drug class known as PDE5 inhibitors , which help relax the muscles and increase blood flow to allow for a full erection. Finally, we checked customer reviews to better understand user experiences with each platform.Given the success of drugs to treat erectile dysfunction, such as sildenafil (Viagra), tadalafil (Cialis) and vardenafil (Levitra, Staxyn), drug companies have sought a similar drug for . Siriporn Kaenseeya/EyeEm/Getty Images The FDA has approved two drugs to address FSIAD: Vyleesi (bremelanotide) The FDA states that this medication can treat FSIAD in . Where Is It Available? Consulting With a Provider Treating Underlying Causes Though often called “female Viagra,” Addyi (flibanserin) and Vyleesi (bremelanotide) are designed to .