Sildenafil citrate, sold as Viagra, Revatio and under various other trade names, is a drug used to treat erectile dysfunction (male impotence) and pulmonary arterial hypertension ...

Why is this medication prescribed? Return to top. Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men.

Mens Health medical information on impotence, heart disease, prostate and colon cancers and hair loss, and more.

The name Sildenafil would probably draw nothing more than blank stares and general disinterest among most people.

Information about Viagra from the American Academy of Family Physicians. ... Sildenafil (brand name: Viagra) is a medicine that doctors prescribe to help men who have erectile ...