Erectile dysfunction(ED) or impotence is referred to the repeated inability assertive to get or maintain a harder erection of penis firm enough for sexual intercourse. Due to the sensitive nature of the condition, it is difficult to estimate the number of males are impacted by it. Since being a very personal problem, an individual struggling with ED rarely come forward to talk it openly with health personnel, but nowadays, it is discussed openly and more males are coming forward to address it.The most typical cause of Erection dysfunction is damage to the tissues, nerves, arteries, muscles or fibrous tissue. Conditions such as diabetes, kidney disease, chronic alcoholism, ms and cardiovascular disease account for around 70% of cases of ED. Erection dysfunction is also a side-effect of some common medications, including blood pressure level drugs, antihistamines, antidepressants and tranquilizers. According to health experts, psychological factors for example stress, anxiety, guilt, depression, low self-esteem, and fear of sexual failure cause up to 20% of cases. Smoking has also been associated with ED.viagra onlineGenerally, people associate Erection 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 the sexual life.There are numerous 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 embarrass myself to take medication with this ailment however with the development of wonder drug Sildenafil citrate or Viagra in 1990s, men have come forward to treat ED. ED is treatable at all ages, and understanding of this fact continues to be growing. More men have been seeking help and returning to normal sexual activity because of improved, successful treatments for ED.Viagra is associated with a class of drugs called phosphodiesterase inhibitors. Taken an hour or so 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 circulation.Today, with the growing utilisation of the Internet for commercial purposes, people can order Viagra or 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 quantity of pharmaceutical companies offering generous discounts on price for those who buy Viagra online.So, if you're the type of suffering from ED and embarrass myself to go over it to your peers, it is best to consult a physician and buy cheap Viagra online.