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A member asked:

How soon does viagra (sildenafil) begin to work?

4 doctors weighed in across 2 answers
Dr. George Klauber answered

Specializes in Pediatric Urology

About 20 minutes.: Viagra (sildenafil) does not begin to work immediately, it has to be absorbed from your stomach, enter the blood stream and reach the penile blood vessels. This usually takes 20 - 30 minutes.

Dr Hadied and another doctor agreed

Answered 2/20/2013

6.1k views

Thank

Viagra (sildenafil): Viagra (sildenafil) should be take on an empty stomache 1 hour prior to activity.

Answered 6/5/2018

6k views

Thank

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Do you know if there are over-the-counter meds that work just like viagra (sildenafil) in the usa?

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What to do if I do not know if its gonna work. should I buy some drugs like viagra (sildenafil) cialis?

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Do daily ED drugs (e.G., Cialis 5mg) work as well as single use ED drugs (e.G., viagra (sildenafil) 100mg, Cialis 20mg)?

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I normally take some chinese herbal viagra (sildenafil) befor doing sex and they work.But i afraid that these tablets may have side affecting.Please would you kind?

4 doctors weighed in across 2 answers

A member asked:

Does viagra (sildenafil) actually work to make your penis bigger? What are some pros and cons of it? Would u suggest them to teenagers? Where can you get them

A doctor has provided 1 answer

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