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Sarah Morgan
Numan
How long does sildenafil last?
Sarah Morgan advises that sildenafil usually lasts for around 4 hours, and that you should take it 30 minutes before sexual contact.
Transcript
Sildenafil can last for up to four hours. But don't worry, this doesn't mean you're gonna have an erection for four hours. It just means that you'll be able to get an erection on demand during those four hours.