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Does promethazine cause false positive result for THC?

Responses (2)

Stephen Treloar 12 Oct 2017

Yes it can but that is not to say it always will.

ChelleKay 12 Oct 2017

I have been on this med over 30 yrs and have never had a problem. As long as you have an rx for it, it shouldn't be a problem anyway.

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