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A member asked:

How long do the effects last of viagra (sildenafil)?

A doctor has provided 1 answer
Dr. Ashley Peterson answered

4 hoirs: Approximately 4 hours, but it varies.

Dr Ali agreed

Answered 4/21/2013

5.7k views

Thank

Related Questions

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I don't get hard erections and i wana last longer in bed.. Is there any natural remedy for this rather than pills like viagra (sildenafil)?

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How long does these side effects last? The most common side effects of viagra (sildenafil) are headache, flushing of the face, and upset stomach.

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Can i tell me how i can use viagra (sildenafil) for make sex longer ?

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I use Viagra (sildenafil) now and then for Ed but it doesn't seem to help my erection , still a soft erection that last only a short time . What can help ?

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