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Can taking only Phenytoin EX 100 MG 3 times a day cause a false/positive for THC on a drug screen?

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kaismama 23 Feb 2015

Do you take anything else, like cold medicine or anything? My list says phenytoin causes false pos amphentamines.

amessner20 23 Feb 2015

No only that but I don't know what they gave me at the ER last week

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