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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Can Taking Combination Of Different Medicines Cause False Positive In Meth Test?

my son is on some prescribed medications for asthma, bronchitis, anxiety , depression, prilecac for a barretts esophagus. He had a reaction last night as he took all those medications at one time. The night before. He was tested and had a positive for meth. I read where false - positives are possible with some med ication mixtures.
Wed, 15 Apr 2015
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General & Family Physician 's  Response
Hello there
Welcome to healthcaremagic.
Brief answer:Yes,Possible.
Detailed answer:Common screening test available for detecting methamphetamine is cross reactive with other drugs and furthermore consumption of different medications prior to testing,can possibly yield a false positive result.In such case,specific detection assays for meth would be needed to accurately know the result.Hope this answers your query.If any further concerns,happy to answer you.Take care.
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Can Taking Combination Of Different Medicines Cause False Positive In Meth Test?

Hello there Welcome to healthcaremagic. Brief answer:Yes,Possible. Detailed answer:Common screening test available for detecting methamphetamine is cross reactive with other drugs and furthermore consumption of different medications prior to testing,can possibly yield a false positive result.In such case,specific detection assays for meth would be needed to accurately know the result.Hope this answers your query.If any further concerns,happy to answer you.Take care.