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A 18-year-old female asked:

I have to do a saliva test and urine sample to see if i have stopped smoking how long would i need to stop for so it can't be detected?

2 doctor answers • 6 doctors weighed in
Dr. J. Blake Perkins
Dr. J. Blake Perkinsanswered
Dentistry 22 years experience
Depends: Nicotine can stay in your system from as little as 3-4 days, up to 3 weeks. It also depends on what you are smoking...If it is marijuana, thats a different story...
5.2k viewsReviewed >2 years ago
Thank
Dr. Douglas Tavenner, jr.
Dr. Douglas Tavenner, jr. agrees1 doctor agrees
Dr. Earl Sandroff
Dr. Earl Sandroffanswered
Dentistry 44 years experience
A few weeks: Depending on what you are smoking...Wait at least 4-6 weeks to be safe. But honestly...Urine and saliva tests are the say ones to pass. The deal breaker could be a hair analysis. That is getting to be more common and more reliable about a person's past.
5.2k viewsReviewed >2 years ago
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Dr. Pamela Pappas
Dr. James Eitner
Dr. Thomas Wright
Dr. Pamela Pappas and 3 doctors agree4 doctors agree

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Last updated Nov 10, 2014

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Urine

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