Thanks for requesting me.
What did you test positive for exactly?
In fact, any positive result is then sent for confirmatory testing.
This is called GC/MS testing.
That gets rid of any false positives and correctly identifies the exact drug.
If they did not do this second stage, then they can not validly claim a positive.
If they did do this second stage, the result is not due to your other medications.
OK, so that is an initial answer….so........
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