How Viagra Works

When taken correctly Viagra can often solve erectile dysfunction and essentially it does this by preventing the breakdown of cyclic GMP within the body.  The reason why it is so important to prevent this breakdown is because cyclic GMP allows the blood vessels within the penis to relax and this allows more blood to enter therefore allowing an erection to take place.

It is important to remember that for Viagra to work sexual stimulation is needed as the chemical messengers which are needed for an erection to happen still need to be activated. This is because Viagra is not a hormone so if you have taken a Viagra pill and you have not been sexually stimulated then you will not be able to have an erection. After you have had sex Viagra allows your erection to go away naturally and without having to wait until a certain time to allow the effects to wear off.

How long Viagra lasts

After taking the Viagra pill you are able to have an erection within roughly 30 to 40 minutes. In the majority of cases the effects of the Viagra drug can last up to 4 hours, although the longer it has been in your body the less effective it will be. If you want to get the best results out of Viagra it is advised that you should take the pill on an empty stomach as taking it alongside a big meal can reduce the effects of it.

It is also important to remember that you should not take Viagra more than once in a 24 hour period as this could cause serious damage to your health and even lead to further problems with erectile dysfunction.

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