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A. Schuyler, NP
A. Schuyler, NP, Nurse Practitioner
Category: Health
Satisfied Customers: 16035
Experience:  Board Certified NP, MS, RN. 25 years private practice & hospitalist
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Can you fail a drug test by smelling marijuana in the same ...

Customer Question

Can you fail a drug test by smelling marijuana in the same room as you are?
Submitted: 9 years ago.
Category: Health
Expert:  A. Schuyler, NP replied 9 years ago.

Hi,

Second-hand marijuana smoke can leave traces of the chemical tetrahydrocannabinol (THC) in your urine for a day or so after breathing the smoke. Usually, the amount is not enough to make you test positive, but it is possible, especially if you have chronic exposure.

http://studenthealth.oregonstate.edu/answerspot-old/AlcoholDrugs/Testing_Marijuana.htm