What drugs will result in false positive for THC?
18 Feb 2010
The following drugs can give a false positive for cannabis...
Ibuprofen (Advil, Nuprin, Motrin, Excedrin IB etc)
Ketoprofen (Orudis KT)
Promethazine (Phenergan, Promethegan)
Riboflavin (B2, Hempseed Oil)
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