A member asked:

Why is every doctors answer different. my friend and i are arguing- if she smoked 2 cigs in the last 2 wks and is being tested- will cotinine show up?

4 doctors weighed in across 2 answers

Dr. Alan Ali answered

Specializes in 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.

Answered 4/29/2015

2.9k views

Thank

Dr. Heidi Fowler answered

Specializes in Psychiatry

That depends on.....: That depends on if saliva, urine, blood or hair is being tested. That also depends on if she is a heavy smoker normally or if she smokes quite rarealy

Dr Ferguson and another doctor agreed

Answered 8/28/2019

144 views

Thank

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A member asked:

Why is every doctors answer different. my friend and i are arguing- if she smoked 2 cigs in the last 2 wks and is being tested- will cotinine show up?

4 doctors weighed in across 2 answers

Dr. Alan Ali answered

Dr. Heidi Fowler answered

Dr Ferguson and another doctor agreed

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