Viagra is the most popular oral prescription available to treat erectile dysfunction.
It helps most men with ED improve their erections. That means they are able to achieve harder erections.
It is inhibitor and it works by having the blood vessels relax so that blood can flow into the penis. Viagra will not cause you to have an erection, but it will help you achieve an erection once you have been sexually aroused.
Viagra is taken orally as needed, ideally one tablet at least an hour before sexual activity, although it can also be taken from four hours to thirty minutes before sexual activity. It should not be taken more than once a day; the use of more or less of Viagra should be consistent with your doctor’s prescription.
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