What is viagra?

What is viagra?
Viagra (Sildenafil) is used to treat male sexual function problems (impotence or erectile dysfunction) by blocking a indisputable enzyme (phosphodiesterase-PDE5) in the body. In combination near sexual stimulation, sildenafil works by helping the blood flow into the penis to achieve and uphold an erection.
This drug is taken by mouth as needed, at least 30 minutes, but no more than 4 hours, up to that time sexual activity (1 hour beforehand is the most effective). Do not take more recurrently than once daily, and pocket as directed.
More about viagra usage can be found here - http://www.viagra.su/how-to-use-viagra.h...
and for side effects look here - http://www.viagra.su/viagra-side-effects...
HAPPY PILLS
My pharmacist said "would you similar to to try Viagra"?
I said " can I get it over the counter"?
He said yeah, if you pinch two".
Viagra is used by men to help them hold an erect penis during intercourse.

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