How long does it take for viagra to work?


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It starts working 10 to 40 minutes after taking a 25 to 100 mg dose, and can work for up to four hours after you take it.

Answered by Lavonda L. -

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Viagra can begin working in as little as 14 minutes, and last up to 4 hours. Thanks for asking ChaCha!

Answered by Cynthia J. -

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