As a potent ED pill, Viagra is quite popular among men who are suffering from the health condition of erectile dysfunction. There are a number of erectile dysfunction medications which have been introduced in the market of ED pills, but Viagra continues to play a key role. A majority of impotent men prefer this little blue pill because of its proven efficiency. You can even find Viagra online in a number of online drug stores today. But before you use it, here’s what you should know about it. Why is Viagra used? Viagra is an erectile dysfunction medicine that is used to improve erectile capacity in men. When there is a decrease in the blood flow to the penile nerve, the erection capability of the person diminishes. This medication simply facilitates the increase in the blood flow such that an erection can obtained. Its active ingredient which makes it work is Sildenafil. It was initially found to be used for the treatment of pulmonary hypertension and a chest pain called angina, but later it was found to be useful for improving erection in men. This is how, after a number of tests and experiments, the Food and Drug Administration (FDA) approved its use in the treatment of erectile dysfunction. When is this ED pill not used?
How does it improve erectile capacity? The working mechanism of Viagra is mainly about blocking the functions of an enzyme called PDE5 (phosphodiesterase type 5). This enzyme can affect the conversion process of GTP (guanosine triphosphate) molecule to cGMP (cyclic guanosine monophosphate), which take place as a result of sexual stimulation. The active drug Sildenafil basically helps in facilitating this conversion process, by blocking the actions of PDE5. As a result, with the help of cGMP, the muscles around the blood vessels expand; the blood easily flows to different parts of the body, including the penile nerve. As the erectile tissue gets filled with blood, an erection can be obtained easily for a physical intercourse. The effects generally last for 4 hours to be exact. And so, you must take the dose accordingly as prescribed by your doctor. A few guidelines for this are as follows- Viagra dosing guidelines:
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January 2019
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