A month: Nicotine lasts approximately 20 days in your system. A month should be enough. Focus on quitting for good rather than on just passing a test as cigarettes can really hurt you down the road.
Answered 5/1/2013
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Saliva nicotine tes: “Nicotine & cotinine can take up to four days to be fully flushed from your saliva.” REF: https://www.healthline.com/health/quit-smoking/how-long-does-nicotine-stay-in-your-system#nicotine-inblood. “When someone stops using tobacco and nicotine products, it can take more than 2 weeks for the blood level of cotinine to drop to the level that a non-tobacco user would have and several weeks more for
Answered 8/24/2019
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