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A female asked:

I quit smoking 4 days ago i also have beentakeing two azo pills a day is it safe to take a ni otine test yet?

1 doctor answer2 doctors weighed in
Dr. Jeffrey Juchau
Family Medicine 34 years experience
Urine Cotaine Test: Cotaine will be present in blood tests for about 2 weeks and in urine for several weeks more. A lot depends on what level is chosen as the cutoff for positive or negative. Good for you on quitting. Keep it up. I do not know if Azo changes the test results.
Last updated Mar 6, 2015

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