I am on the prescribed drug robaxin 750 milligrams I tested positive for amphetamines in my system and I don't understand why is robaxin capable of giving false results for amphetamines
Robaxin contains methocarbamol, and as you know it is a muscle relaxant.
The answer is no, it does not cause a false positive for amphetamines.
Perhaps it is a problem of the test itself or the lab it was sent to. Ask them to repeat the test.
All the best,
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