A member asked:

I smoke very often how long should i stop before doing a blood test , and passing it ( showing im not a smoker ) ?

2 doctors weighed in across 2 answers
Dr. Robert Grindstaff answered

Specializes in Addiction Medicine

Depends: tobacco about 24-48 hrs Cannabis days in the blood and up to 6 weeks in the urine.

Answered 10/26/2014

3.6k views

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5 days: Depends on the type of test,can take from 4 days to 30 days,also depends of how much you have been smoking.

Answered 10/27/2014

3.6k views

Thank

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