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If this actually has happened to you (you've gotten a positive test result and you literally have no idea why) list EVERY drug you've taken in the past month or so ... legal, illegal, prescription, non-prescription, everything ... and explain to the people running the test why and when. If you've taken anything that could interfere, they'll know about it.

If you're looking for help claiming "Oh, I took this legal drug, and so that's why my test for illegal drugs was positive" when in fact the reason your test was positive was that you DID take illegal drugs ... nice try.

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Q: What drugs have amphetamines in them what could turn a urine sample positive when no illegal drugs were used?
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