Can Viagra work after 8 hours?

One hour after taking Viagra, an erection can last for 33 minutes, after 8 hours, an erection can last for 23 minutes, and after 12 hours, an erection can last for up to 16 minutes. This can vary from person to person, in fact, for most people, the effects of Viagra will wear off after 3-4 hours.Sep 8, 2021

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