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Does Metformin Cause False Positive Results For Heroin During Swab Test?
Hi, A couple of months ago I took a swab test for my pain management. I came up positive for heroin, which I have never done in my life. The only medication that has been added was Metformin. I was discharged and left out to hang with a problem getting my pain meds. Could this medication have caused the results?
Mon, 20 Apr 2015
Hello. Read your query and noted the contents.
Its unlikely that metformin would have caused it though a variety of medications are known to cause false positive results. I will give you a link and you can try to recollect if you were on any of those.
http://dig.pharm.uic.edu/faq/2011/Feb/faq1.aspx
Please feel free to drop in any more queries if need be.
Warm regards,
Dr Praveen
Its unlikely that metformin would have caused it though a variety of medications are known to cause false positive results. I will give you a link and you can try to recollect if you were on any of those.
http://dig.pharm.uic.edu/faq/2011/Feb/faq1.aspx
Please feel free to drop in any more queries if need be.
Warm regards,
Dr Praveen
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