How long does Viagra stay in your system? I want to try a free sample, but don't want to "fail" drug test

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The Doctor said it usually lasts for about 2 hours or so. If you are still erect for 3 hours or more you would need to go to the E.R. I use a product much like Viagra and I was erect for a 40 minute session!! Then 20 minutes the next morning on the same pill. Hope this helps.

Other Answers:
Viagra does not show up on "drug" tests.

your not going to fail a drug test for having viagra in your system.drug tests only test for narcotics.which viagra is not.

They do not test for viagra on drug test. They only test for specific drugs like cocaine, marijuana, opiates etc.

Check with your doctor, but I am pretty sure that the chemicals in Viagra do not show up on a drug test.

I am unsure of it's longevity in your system although it is only designed to last for 24 hours. It is not a controlled and illicit drug that is regularly checked for in drug tests. Viagra works by increasing the nitric acid in your bloodstream to help maintain and sustain an erection for people who suffer from erectile dysfunction. If you are taking it and do not suffer from ED, well then you are looking at burning out your own systems production of nitric acid that will evntually make you a true candidate for ED. By the time that happens, the Viagra will be of no use to you.
Source(s):
Research for friends who have medical conditions that may one day lead to ED. Also am an EMT.

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How long does Viagra stay in your system? I want to try a free sample, but don't want to "fail" drug test

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