Keep testing positive for meth and haven't done it

Posted by terrimindy @terrimindy, Mar 23, 2023

Was told metformin can have you test positive for meth

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I've had 2 hair follicle tests, and a fingerprint test in the last 6 months. I've also had numerous urine tests. I pass all urine tests, but fail hair follicle and fingerprint tests. I never have used meth. but thats what i keep testing positive for on hair and fingerprint tests. I don't use any medications. I have a habit of sucking on cough drops, and I smoke menthol cigarettes. I also have 2 pilar cysts on my head. Any ideas on what can be causing false positives. I'm at a loss. And on probation, so there probably going to send me to jail for something I'm not doing.

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@roch

@southpaw11

If you have been doing Google searches, you may have read some of them.

You might try searching PubMed for published medical articles on subject.
https://pubmed.ncbi.nlm.nih.gov/
Example, here is one, but it is very old (2015):
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6170116/
Also, found this from Univ of Michigan about different types of tests and what interferes testing:
https://medicine.umich.edu/sites/default/files/downloads/MOC%20DRUG%20TESTING%20ORDERING%20AND%20REFERENCE.pdf
What type of documentation do you require?

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Thank you for your help.
The Lawyer wants a support letter from a professional who can confirm that Metformin can result in false positive tests for methamphetamine. He suggested our MD or pharmacist but they won't put their signature to a support letter for "privacy reasons"??
We have shown him the internet pages from Pubmed but he wants a name to the letter.

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@ksdm

The pharmacist is the person to talk to regarding this issue.

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Ok thank you for the advice. For some reason, the pharmacist doesn't want to put his name on a short support letter, due to privacy issues??

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These days you have to be careful I was renting a room with so called friends and I found out that my drink had been tampered with more than a few times I'm livid to this day but now I am super vigilant
Best of luck

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I recently have done some research on this subject. If the dr or pharmacist has told you they are aware of this but will not do a letter to support such then ask your lawyer if you can supeona them and show them the articles from known medical authorities and ask there knowledge or even opinion. Just saying that’s what I would do. Maybe the information sheet the pharmacist
Puts with each prescription when you purchase it would have a detailed in depth fact sheet about the medication or ask them to
Print you one. I’m currently researching for a friend a there is a lengthy list of medications that can give false positives. Over the counter medicines as well as prescription medication also. Like Vick’s vapor inhaler or trazodone, any cold medication basicly they have an antihistamine or decongestant that could test positive. Certain antidressants I found a list on drugs.com. I just done search after search wording it different ways each time. It’s alot of reading but who knows it might help.

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