Sildenafil relaxes muscles of the blood vessels and increases blood flow to particular areas of the body. Sildenafil is used to treat erectile dysfunction (impotence) in men.

What is erectile dysfunction? Erectile dysfunction (ED) is commonly called impotence. It’s a condition in which a man can’t achieve or maintain an erection during sexual performance. Symptoms may also include reduced sexual…

ED can cause a man to feel anger, frustration or sadness, or to lack confidence. Discover how to deal with these emotions, manage relationship problems, and have a fulfilling sex…

Here’s what can kill your hard-on…and what can save it.