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A member asked:

How long is cotinine (nicotine) detectable in a blood or urine teat?

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in 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 non-tobacco user would have and several weeks more for the urine level to decrease to a very low concentration.” REF: http://labtestsonline.org/understanding/analytes/nicotine/tab/test/

Dr Hickerson agreed

Answered 9/6/2019

144 views

Thank

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