What Medications Can Cause A False Positive For Methamphetamine (Page 20)

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Can certain over the counter medications or prescription medications cause a false positive for Methamphetamine in a blood test?

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381

Re: Sue (# 370) Expand Referenced Message

Did anybody answer you back on that I take the same thing

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Re: steven dixon (# 6) Expand Referenced Message

Phentermine will cause a positive for amphetamines

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383

I just started taking Jet Alert because I work 6p-6a and was wondering if it would show a false positive on a drug test?

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384

I have taken a 15 panel home drug screen and it's giving false positive I take Vistaril Geodon Acyclovir loratadine montelukast Protonix voriconazole and have taken Sudafed what should these come up as on a home drug screen

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385

Re: steven dixon (# 6) Expand Referenced Message

I am not familiar with a lot of the medications you listed. However I do take gabapentin and I have taken amitriptyline and the 1800 mg of Gabapentin is way too much That could absolutely be causing some of those symptoms. Also I think the amitriptyline could

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386

Re: steven dixon (# 6) Expand Referenced Message

Yes, alot of the drugs you mentioned cause false positives. However if the lab knew of these meds they would of done more in-depth testing.

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387

Re: drjames (# 19) Expand Referenced Message

That's not the card with me..I have to do a random urine drug test once a month and I recently ( past 3 months) been put on thyroid medicine..the past 3 random urine tests have showed (false) positive for methamphetamine! So taking Benadryl, Tylenol PM, Advil PM, Ranitidine and Trazadone long with Thyroid meds has caused the false positive. Before taking thyroid medicine I have NEVER had one bad test result in the 4 years of doing the required random testing.

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388

Re: Looking at the big picture (# 31) Expand Referenced Message

I would normally agree, as Everytime I failed a drug test I used. I have been clean from illegal street drugs for over 3 years! I am however prescribed Adderall and I take zantac and much is the case with many others here, I tested positive for methamphetamine! I'm from Jersey and that is not a drug you can find unless you are a biker! My employer and personal physician agree with me and as long as I produce the necessary documents for the amphetamine, I will be fine.

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389

Re: JonD (# 349) Expand Referenced Message

Depends how "briefly" you mean. It can soak in through your skin or even vapors in the air can get into your system. That's why the DEA will dress up like astronauts when busting a lab. Methamphetamine is a crystal substance that when made and even smoked is turned into a vapor and that vapor can get into your system. Now if you were just touching a crystal to look at it then depending on conditions it would enter your system. We're you sweating? How long were you touching it?

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390

I take bipolar meds clonipin and nortriptlen also oxycodine fie herniated disc a chronic pain trazadine over the counter meds to my urine good then negative now false positive I don’t get now they want out bother phychatrist an pain I never had a problem just this one time not even one chance I no people who get a chance I don’t get it now what do I do

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391

Re: David (# 1) Expand Referenced Message

There is a list online of all the OTC drugs that can screw up your labs and get you in big trouble

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