Erectile dysfunction (ED), sometimes referred to as impotence, is the repeated inability of a man to get or maintain an erection of penis firm enough for sexual intercourse. Today, ED has become a serious sexual health problem in men as it affects a person psychologically. Since being a very personal problem, a person suffering from Erectile dysfunction rarely come forward to talk it openly with health personnel, but nowadays, it is discussed openly and more men are coming forward to treat it.

According to the National Ambulatory Medical Care Survey conducted in the U.S., for every 1,000 men 7.7 physician office visits were made for ED in 1985. By 1999, that rate had nearly tripled to 22.3.

ED may be caused by various factors. Damage to nerves, arteries, smooth muscles, and fibrous tissues is the most common cause of ED. General diseases, like diabetes, kidney failure, alcoholism, multiple sclerosis, atherosclerosis, vascular disease, and neurologic disease, are other major factors that causes ED.

Psychological problems like depression, stress, financial crisis, performance failure anxiety, relationship conflicts are also accountable for ED. Apart from this, common medications for blood pressure, antihistamines, antidepressants, tranquilizers and appetite suppressants may bring ED as a side effect affecting men