Erectile dysfunction(ED) or impotence is referred to the repeated inability of a man to get or maintain an erection of penis firm enough for sexual intercourse. Due to the sensitive nature of the condition, it is difficult to estimate how many men are affected by it. Since being a very personal problem, a person suffering from ED 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.

The most common cause of Erectile dysfunction is damage to the tissues, nerves, arteries, muscles or fibrous tissue. Conditions such as diabetes, kidney disease, chronic alcoholism, multiple sclerosis and cardiovascular disease account for around 70% of cases of ED. Erectile dysfunction is also a side effect of some common medications, including blood pressure drugs, antihistamines, antidepressants and tranquilizers. According to health experts, psychological factors such as stress, anxiety, guilt, depression, low self-esteem, and fear of sexual failure cause up to 20% of cases. Smoking has also been linked to ED.

Generally, people associate Erectile dysfunction with the natural process of aging. But according to several clinical studies, men of any age can be affected by this problem at some point of their sexual life.

There are various ways to treat ED. Doctors will consider psychotherapy for patients who are likely to benefit, but alternatives include drugs, vacuum devices, and surgery. Most men feel embarrassed to take medication for this ailment but with the introduction of wonder drug Sildenafil citrate or Viagra in 1990s, men have come forward to treat ED. ED is treatable at any age, and awareness of this fact has been growing. More men have been seeking help and returning to normal sexual activity because of improved, successful treatments for ED.

Viagra belongs to a class of drugs called phosphodiesterase inhibitors. Taken an hour before sexual activity, these drugs work by enhancing the effects of nitric oxide, a chemical that relaxes smooth muscles in the penis during sexual stimulation and allows increased blood flow.

Today, with the growing use of the Internet for commercial purposes, people can order Viagra or any other anti-ED drugs from home. Buying Viagra online can protect the privacy of a buyer. The drug can be delivered to your doorsteps confidentially. Moreover, there are number of pharmaceutical companies offering generous discounts on price for those who buy Viagra online.

So, if you are among those suffering from ED and feel embarrassed to discuss it to your peers, it is better to consult a doctor and buy cheap Viagra online.