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Viagra is a medication from the PDE5 inhibitor class of medications. It is also the first of the class, a medication that has started the revolution, and that is still the most sold and the best-recognized medication of them all. When the drug hit the market in 1998, it was a revolution.
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Viagra was the first medication for erectile dysfunction that has ever been approved by the FDA, which meant that there was finally a medication that was proven effective and safe for use in men suffering from erectile dysfunction. Most of Viagra reviews tell about the effectiveness of the drug.
Moreover, it brought the question of erectile dysfunction into the open, making it possible for men afflicted by this condition to talk freely about it and not feel embarrassed about their condition ever again.
The way in which Viagra works is very simple if it is explained simple enough and without getting into unnecessary details. In order for an erection to be achieved, the spongy tissue in the penis, known as corpus cavernosum needs to fill with blood.
In order for the blood to get into the penis, the blood vessels that lead the blood, there need to be relaxed. This relaxation and dilation of blood vessels are achieved by a chemical known as cGMP. In cases of erectile dysfunction, this chemical, cGMP is deteriorated by another chemical, an enzyme known as PDE5 enzyme.
As a PDE5 inhibitor Viagra makes it impossible for PDE5 to do its bidding which leads to increased levels and unhindered functioning of cGMP, which then leads to the relaxation of the needed blood vessels, which in turn leads to the corpus cavernosum being filled with blood, which ultimately results in an erection. It is all a simple cause and effect chain of events, and it is pretty much easy to understand.
As it was the first medication approved for use in erectile dysfunction, it is pretty obvious why Viagra has become one of the most talked-about medications in history and why it got so much attention. Over the years, two new ED medications have been approved, Cialis and Levitra, but Viagra is still the one that is synonymous with erectile dysfunction drugs, and that is most widely used.
Of course, there are other aspects of the use of Viagra that we haven’t covered in this article, but we hope that the rest of the articles on this site will fill you in on anything you would like to know about this medication.