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How does it work?

Viagra tablets contain the active ingredient sildenafil, that is a medicine employed in the treatment of erectile dysfunction (impotence). Sildenafil is additionally on the market without a whole name, ie because the generic medication.

Sildenafil is termed a phosphodiesterase type five inhibitor, and works by preventing the action of a chemical within the body called phosphodiesterase kind 5.

An erection is created via a complicated chain of events, involving signals from the nervous system and the discharge of chemical messengers at intervals the tissues of the penis. One of those chemical messengers is called cyclic GMP.

Cyclic GMP causes the blood vessels in the penis to widen by relaxing a thin layer of muscle found in the blood vessel walls. This permits additional blood to enter the penis, which ultimately ends up in the penis changing into rigid and erect.

Cyclic GMP is generally softened by another chemical within the body called phosphodiesterase type five. Sildenafil works by preventing the action of phosphodiesterase kind five, therefore stopping the breakdown of cyclic GMP. This means that that the blood vessels are kept dilated for longer, improving blood flow to the penis and maintaining an erection.

As sildenafil enhances the actions of the chemical messengers accountable for producing an erection, it can solely work once these messengers are present. This suggests that that sexual stimulation is required for it to supply and maintain an erection. The dose should be taken approximately one hour before you propose to own sex
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