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Doctor insights on: False Positive Drug Test Methamphetamine

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I recently took a preemployment drug test and failed for amphetamines& methamphetamines. I am wondering if it's possible my results are false positive?

I recently took a preemployment drug test and failed for amphetamines& methamphetamines. I am wondering if it's possible my results are false positive?

Did you take them?: If you didn't take any amphetamines I would say there is a false test. The fact that you are asking this question suggests you are looking for an excuse for you to abuse pills. Own up to your problem and get help. Looking for excusing is looking for someone to help enable your downhill course into addiction and abuse. You should tell whoever is testing all your prescribed and OTC medications. ...Read more

Dr. Alan Wartenberg
590 doctors shared insights

Drug Testing (Definition)

It is the process of examining body fluids or tissue for evidence of chemicals taken or not taken. It does not diagnose addiction however this a ...Read more


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What are some medicine that might come out positive as meth on a drug test medicine I take prometh/codeine, prednisone, advair, hydroxzine. False positive for meth

What are some medicine that might come out positive as meth on a drug test medicine I take prometh/codeine, prednisone, advair, hydroxzine. False positive for meth

None of the above: There are many false positives for all amphetamines, but not specifically methamphetamine. Proper drug testing goes beyond the screening test — if that is positive definitive testing should be done, which will eliminate essentially all false positives. Every cold medication around can give a positive amphetamine, but not a positive for methamphetamine. You need to demand the definitive test. ...Read more

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What could cause me to test positive for methamphetamine and amphetamine on a urine drug test that was confirmed using gc-ms when I do NOT use drugs?

What DO you take?: Someone else's specimen may have been mislabeled as yours. Or, you may be taking a medication that is "cross-reactive" with amphetamines and caused a false-positive result. Labs usually include such cautionary information in their reports. Go over the lab report and your meds with the ordering physician. ...Read more

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Can adderall or Afrin nasal spray or a generic form of claritin d cause a positive methamphetamine result on a drug test?

Can adderall or Afrin nasal spray or a generic form of claritin d cause a positive methamphetamine result on a drug test?

Pseudoephedrine: Since the D in Claritin had been used to manufacture methamphetamine, I would suspect that it will produce a positive drug test. As for Afrin nasal spray, it is difficult to tell since any absorption would be minor and thus likely detectable only with extremely sensitive method. I hope other members in this panel will jump in on this topic. ...Read more

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Can provigil cause positive drug test for meth?

Can provigil cause positive drug test for meth?

It should not: Although Provigil is a stimulant of sorts, its chemical makeup is dissimilar to amphetamines and should not cause a false positive drug test. ...Read more

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How does a home drug test detect drugs in your urine such as meth and why do some prescription drugs test positive?

How does a home drug test detect drugs in your urine such as meth and why do some prescription drugs test positive?

Drug tests: Drug tests are used as much to determine what the person has not taken as to what the person has taken. Drug tests may look for illegal drugs. More often they test patients to make sure that they are taking their medications. Sometimes patients sell their medications or feel that they do not need the medication and stop taking it. Drug tests are used for these purposes. ...Read more

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Been taking pseudophedrine HCl 60mg every 4-6 hrs for past 3 days due the flu. I have to take a drug test on monday. Will I test positive for meth?

Been taking pseudophedrine HCl 60mg every 4-6 hrs for past 3 days due the flu. I have to take a drug test on monday. Will I test positive for meth?

No: If drug tests are properly done, the initial test is a screening test, which then must be confirmed with more complex and sophisticated testing. Screening tests may show positive for amphetamine with use of sudafed and other decongestants, but the confirmatory tests will not be positive. If whoever is doing the test does not do confirmatory testing, you should seek your legal options if positive. ...Read more

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Currently taking Vyvanse (lisdexamfetamine) and since it has amphetamines in it, I am concerned I would come out as positive for meth in a drug test. Is this possible?

It is possible: Vyvanse (lisdexamfetamine) vs. meth. Vyvanse (lisdexamfetamine) is dextroamphetamine. Methamphetamine has the extra Methyl and is a strong oxidant with organic chemicals. A positive drug test in your case should not affect you as long as you disclose the Vyvanse (lisdexamfetamine) intake as your current medication. ...Read more

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Could I come out positive for meth if they swab my hand for an ion drug test?

Could I come out positive for meth if they swab my hand for an ion drug test?

Sure: An ION drug test is a screening test. Like any kind of test, anybody's result can be positive or be negative. A person who tests positive is a true positive if she has the substance, but is a false positive if she has none of the substance. The technology can be helpful in other settings, such as screening passengers and cargo at airports for drugs and explosives. ...Read more

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Will focalin (dexmethylphenidate) give a positive result for meth on a hair follicle drug test?

Will focalin (dexmethylphenidate) give a positive result for meth on a hair follicle drug test?

No: Hair follicle tests are not just screening tests. They always have a full confirmation for the exact drug. ...Read more

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Hi, i just took a hair follicle drug test for pre-employment it came up positive for both amphetimine and meth 1053 pgmg but I've been clean for a year?

Hi, i just took a hair follicle drug test for pre-employment it came up positive for both amphetimine and meth 1053 pgmg but I've been clean for a year?

Do you have very: Long hair? While hair follicle tests enjoy a mixed reputation, when they do work accurately, it's hard to refute to a potential employer. Most people take other tests that are shorter-acting (urine, blood), which is what you might ask your pre-employer to accept as proof that you are clear. ...Read more

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How long does methamphetamine show up on a drug test for a regular user of 6 months?

How long does methamphetamine show up on a drug test for a regular user of 6 months?

About a week: Urine test may be positive for a week or so in a chronic user, from the last date of use. See this site for more info.
http://www.nhtsa.gov/people/injury/research/job185drugs/methamphetamine.htm. ...Read more

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How do I pass a methamphetamine mouth swab drug test in less than 24 hours?

How do I pass a methamphetamine mouth swab drug test in less than 24 hours?

Don't use meth: I'm not sure how to fake test results, but you're sure to pass the test if you haven't used meth. If you use, get help, please. ...Read more

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How long does methamphetamine and metabolites stay in saliva and urine for a drug test (both prescription and illegal)?

How long does methamphetamine and metabolites stay in saliva and urine for a drug test (both prescription and illegal)?

See below: Please visit this site for info: http://www.uritoxmedicaltesting.com/drugfacts.html
Wish you good health! - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex, if you have sex. ...Read more

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Is it true that on a drug test Adderall (dextroamphetamine and racemic amphetamine) is the same as methamphetamine?

Is it true that on a drug test Adderall (dextroamphetamine and racemic amphetamine) is the same as methamphetamine?

Yes and no: Adderal is mixed amphetamine salts, and most screening tests only look for amphetamine, so both methamphetamine and adderal will show the same. However, on definitive tests (chromatography, mass spect and others) the difference between methamphetamine and amphetamine salts can be shown in most people. ...Read more

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How can I pass amouth swab drug test with meth in my body?

How can I pass amouth swab drug test with meth in my body?

Drug Testing: Unfortunately you have asked this question of real physicians who care about health. We will not go against our ethics and help you scam a drug testing process. We want you clean and sober and happy and healthy with a real and valid life. Perhaps it is time to get to a crystal meth anonymous meeting. ...Read more

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Will ingesting baking soda make you pass a drug test / meth?

Will ingesting baking soda make you pass a drug test / meth?

No: This is a "pop" myth. I actually autopsied a girl who eat a whole box of baking soda to beat a drug test. Her foolishness cost her life. If you're involved with meth, it is very likely to ruin everything that you cherish. The stories about meth users ripping their flesh from their bones before they die are true. Somebody loves you. Get into rehab now. ...Read more

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How long will meth stay in your system with a urine drug test?

10 days or less: For most individuals having used the substance, the consensus is often noted as a maximum of 10 days that methamphetamine remains detectable via a urine drug test. Often it is more like 3-5 days. The urine test rarely gives an incorrect finding if meth is in there. It can be detected in hair for much longer. Meth is highly addictive, dangerous & harmful to mental and physical health. ...Read more

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Can I take cystex pills to pass a meth drug test if yes how many of them?

No: The color change that occurs with taking cystex would not have an impact on the test to detect amphetamines in your sample. However, the color change itself may be enough to have the testers more closely scrutinize you with other tests.
Barring sudden and unanticipated reversal by the federal government of it's "war on drugs", the best option is to get help and get clean.
Easier said than done. ...Read more