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how long does cotinine stay in your urine

A 36-year-old member asked:
Dr. Alan Ali
Dr. Alan Ali answered
31 years experience Psychiatry
Cotinine: It is a metabolite of nicotine. It has half life of @20 hours, & is detectable for up to 1 week after use of tobacco.

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A 23-year-old female asked:
Dr. Ed Friedlander
43 years experience Pathology
Can be a week or 2: Please stop now. It is very harmful and you were doing so well.
A member asked:
Dr. Michael Sparacino
36 years experience Family Medicine
See below: Up to 2 weeks.
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3 thanks
Dr. Heidi Fowler
24 years experience Psychiatry
Cotinine: “When someone stops using tobacco and nicotine products, it can take more than two weeks for the blood level of cotinine to drop to the level that a n ... Read More
A female asked:
Dr. Clarence Grim
56 years experience Endocrinology
Cotinine test: This will depend on which test they are using so ask the tester. Do no chew or dip as this will show up as well.
A 52-year-old female asked:
Dr. Paul Grin
Dr. Paul Grin answered
35 years experience Pain Management
1 week: Different people metabolize nicotine at different rates. However, cotinine has a half-life of approximately 18-27 hours. It takes approximately 6 hal ... Read More
A 34-year-old member asked:
Dr. Natarajan Raman
32 years experience Radiation Oncology
About a week: Cotinine has an in vivo half-life of approximately 20 hours, and is typically detectable for several days (up to one week) after the use of tobacco. ... Read More
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A 20-year-old female asked:
Dr. Nadine Halliburton-foster
19 years experience Family Medicine
Cotinine: Is a metabolite of nicotine and can be present in the blood for up to 2 weeks before dropping. It can also distinguish between active users and those ... Read More
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A female asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Continine: See: https://testdirectory.questdiagnostics.com/test/test-detail/90646/nicotine-and-cotinine-urine?cc=MASTER. "Cotinine, the major nicotine metabol ... Read More
A 33-year-old male asked:
Dr. Johanna Fricke
49 years experience Developmental and Behavioral Pediatrics
That depends on the: Amount & duration you smoked, how deeply you inhaled, whether the cigarettes were mentholated, your genetic set-up for the enzymes in your liver that ... Read More
A 48-year-old member asked:
Dr. Alan Wartenberg
A Verified Doctor answered
A US doctor answered Learn more
No: If you are not using nicotine in the heating chamber, and you haven't smoked tobacco in the last week, your test should be negative. I would point out ... Read More

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