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I know this topic has already been discussed but I just want to verify. I have a person who states he took one pill in the evening and then two pills in the morning of phentermine and was also taking Sudafed. I have told him that this does not explain the positive amphetamine of his DOT test. His primary care provider has told him that I am wrong and would like to talk to me to "straighten me out", His level of amphetamine was 1277. His current medications do not justify the positive amphetamine, correct??
Phentermine is a stimulant, but it is not Amphetamine. Hence, the reason why they have different names. GC/MS or LC/MS confirmation tests are very specific for the drug that screened positive by comparing the drug metabolite to an internal standard. The result is able to be quantified. All the sudafed and phentermine in the entire universe would not cause an amphetamine positive. Call that doctor yourself and let him know that you intend to straighten him out. Nothing worse than an ignorant doctor.