A member asked:

How do i pass a nicotine/cotinine test after stopping smoking for one week?

A doctor has provided 1 answer

You already have: cotinine, the main metabolite of nicotine, is pretty much gone from blood in 2-3 days, and from urine in 3-4 days, and nothing should be detectable after a week. If they are doing hair follicle tests, however, nicotine use can be detected going back several months.

Answered 8/26/2018

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