This medication has been shown to be a very effective treatment for erectile dysfunction. It works by blocking a chemical that reverses an erection by allowing blood to flow out of the penis. Because of this effect, Viagra causes more blood to remain in the penis, which means an improved erection.
Viagra can also be used for other, "
off-label" uses, such as the treatment of:
(To learn more about what Viagra does, click Viagra Uses. This article also takes a look at whether it is safe for women and children.)
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