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A member asked:

How long does cotinine stay in blood for?

A doctor has provided 1 answer
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 2/2/2020

4.9k views

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Related Questions

A member asked:

I am not a smoker but had a few cigs while drinking a few weeks ago. How likely am i to test positive for cotinine on a blood test?

4 doctors weighed in across 2 answers

A member asked:

Can a normal blood test detect nicotine and cotinine ? I do vape everyday and I take in 6mg of nicotine.

5 doctors weighed in across 2 answers

A member asked:

If I test negative for cotinine on a urine test is it likely that I will also be negative on a blood test?

3 doctors weighed in across 2 answers

A member asked:

I had a blood draw Fri and they messed up My sample for Cotinine. I smoked one cig the week before & 3 this sat. How long before I can retest?

A doctor has provided 1 answer

A member asked:

I hadn't smoked for 10 months. I smoked 2 packs of cigarrettes in 8 days. How long will cotinine be in my salvia, urine, and blood if I quit now?

A doctor has provided 1 answer

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People also searched for:

They say cotinine is cleared from blood within 2 weeks - why do they say it can bedetwcted after 6 months?
How long is cotinine detected in blood, clear in 5 days?
I have been smoke free for 28 days. Have a blood test due for cotinine in 2 days. Lets say it is very sensitive - would i test positive?
How long could the presence of cotinine be detected in the blood, after smoking 10 cigarettes in 1 day?
What do you advise if i smoke a pack a day how long before cotinine is out of my blood so i can pass a blood test?

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