Impotence what drugs to take

Impotence, also known as erectile dysfunction (ED), refers to sexual desire, the penis can not erect or erection is not firm, or although there is an erection and a certain degree of hardness, but can not maintain enough time for sexual intercourse, thus hindering sexual intercourse or can not complete sexual intercourse. At this stage, the most effective treatment of impotence is sildenafil citrate, also known as Viagra, Viagra, effective rate can reach 70%-80%.