Typically this takes the form of a tick box medical questionnaire, which is then reviewed by the pharmacist prior to supply. They’re often the first line of treatment for trouble getting or keeping an erection, called erectile dysfunction ED. Lifestyle changes that can improve your sex life Before you start comparing ED meds , you may want to consider making small lifestyle changes to improve your erections. And what about drugs that decrease the effect of Viagra on your erections? Food and Drug Administration has approved fifteen drug manufacturers to market generic sildenafil in the United States. Fear of intimacy and anxiety about sexual performance can affect your ability to get and maintain an erection. On 6 May , Pfizer , which manufactures Viagra, told the Associated Press they will begin selling the drug directly to people on its site.Summary We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. Here’s our process. How we vet brands . Men will no longer require a prescription to obtain the impotence drug Viagra and will instead be able to buy it over the counter at pharmacies. The decision by the UK . Viagra, or sildenafil, was the first oral pill approved by the FDA to treat erectile dysfunction. Pfizer released Viagra in and, since then, generic versions of the drug have .