In the year 1998, with the launch of the wonder called Viagra, the pharmaceutical company Pfizer tapped on to a new market of about 30 million users. Until the time Viagra was launched, the market of anti sexual dysfunction pills was a virgin market waiting for a miracle drug like Viagra to take it by storm. Buy Viagra online - Since the launch of Viagra, the pharmaceutical industry has seen the rise of a plethora of medicines, which claim to give better results than the blue pill, but none of them has been able create more waves than Viagra. Before Viagra, there was not a single genuine medicine that delivered what they advertised i.e. a complete solution to Erectile Dysfunction.

The history behind the discovery of Viagra is as miraculous as its results. This drug was originally devised to treat cardio vascular ailments but later the researchers found out that the drug did wonders when it was given to patients suffering from erectile dysfunction as well. The principle component of this drug is Sildenafil Citrate which is an anti PDE5 substance. The main action of this chemical involves the dilation of the arteries of the penis. Buy Viagra Online - Dilation of the blood vessels causes more blood to flow into the penis and as a result the smooth muscles also relax, thereby helping the patient to achieve and maintain an erection. Viagra lowers the blood pressure of the patients in a way so that the flow of blood into the penis is facilitated. Viagra has also helped patients suffering from erectile dysfunction due to diabetes or a spinal cord injury and various other reasons.

This medicine comes in the form of a pill and is easy to consume as the chemicals contained in this medicine are easily absorbed into the blood stream. The medicine is even more reliable considering the fact that the metabolites of this medicine can be easily excreted with the urine and the fecal matters. Buy Viagra UK as the effect of Viagra lasts for about four hours approximately and the erection is sustained long enough for a sexual intercourse. But it should be kept in mind that Viagra only helps in maintaining an erection but without appropriate stimulation even Viagra can not work.

Viagra is one of those drugs, which has brought about a revolution in the world of science and has changed the way people used to look at sexual dysfunction. Previously a person suffering from sexual dysfunction would suffer from depression, and hopelessness but now all that has changed thanks to Viagra.

But like most other medicines Viagra has its own share of side effects as well.

Most of the people who take this pill on a regular basis complain of certain side effects like headaches, temporary blurry vision, facial flushing, and stomach upset etc.

Some other patients also complain of severe nasal congestion and infection of the respiratory tract. Finally, it should be mentioned that this wonder drug is not something that everyone can have, so it is better that you consult your physician before consuming it.