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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Is Passive Smoking Of Weed Reflected In A Drug Test?

was at a house that was well vented and the other two were smoking weed, I am on probation hand have a drug test tomorrow... party was friday night... should I be worried? Did not really get close to the smoke... but a little panicky ht 5-11 wt 230 and no other medical stuff to mention
Fri, 27 Mar 2015
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Addiction Medicine Specialist 's  Response
No, this has been extensively tested and always found to not show up with one extreme exception involving very high amounts of second hand smoke of specially made marijuana and a very closed environment. This is not likely to occur except under literally laboratory conditions (and testing IMMEDIATELY afterwards).
Make sure they hold a sample back for retesting because false positives occur with the simple dipstick method. Not common for false positives.
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Is Passive Smoking Of Weed Reflected In A Drug Test?

No, this has been extensively tested and always found to not show up with one extreme exception involving very high amounts of second hand smoke of specially made marijuana and a very closed environment. This is not likely to occur except under literally laboratory conditions (and testing IMMEDIATELY afterwards). Make sure they hold a sample back for retesting because false positives occur with the simple dipstick method. Not common for false positives.