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Doctor insights on: Herbal Supplements Cause Positive Urine Drug Test

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Which herbal supplements cause false positive on a urine drug test?

Which herbal supplements cause false positive on a urine drug test?

I think NONE: I am not aware of any herbal supplement that consistently causes a positive urine drug tests. Even poppy seeds which used to have false positives for morphine, do not typically find this now, because of the cut off levels. ...Read more

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Urine (Definition)

Urine is the product of the kidneys, which is produced to eliminate the waste products of metabolism, manage body fluid balance, &maintain acid-base balance. The blood is first filtered by the kidneys, and the composition of the resulting fluid is then altered depending on the body's needs. It is composed of mostly water, and breakdown products from blood cells impart ...Read more


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Will a testosterone booster supplement that is sold on bodybuilding.Com or GNC alert on a steroid drug test or urine drug test?

Will a testosterone booster supplement that is sold on bodybuilding.Com or GNC alert on a steroid drug test or urine drug test?

Who knows?: Since no one knows what's in those "supplements", there's no way to tell. However, they won't "boost" you testosterone or anything else, other than boosting the $$ out of your wallet and into their pocket. Don't get your medical info from tv or the internet. Avoid the supplements and save your money and your health. ...Read more

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Does gabapentin cause a false positive on a urine drug test?

Does gabapentin cause a false positive on a urine drug test?

Not Likely: It is unlikely that Neurontin (Gabapentin) will trigger a false positive urine test for drugs. However, if you are taking other medications then these medication may alone or in combination with Neurontin trigger a positive urine screen. Also, poppy seeds and other foods, fermented or otherwise may result in positive screen. Here's a reference: http://dig.pharm.uic.edu/faq/2011/Feb/faq1.aspx ...Read more

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What amount of benzodiazapines would cause the minimum of 200 ng/ml to register on a urine drug test as a positive result?

Benzodiazepines: Drug testing can be positive for benzodiazepines for weeks after use. It gets worse the more you have taken or the longer time you have taken them. But, it can be six or so weeks till your urine test do not return positive for benzos. ...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 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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Could maga-green t supplements cause a drug test to be positive or taking basic vitamins?

Could maga-green t supplements cause a drug test to be positive or taking basic vitamins?

Mega T Green Tea: Unless the drug test is looking for caffeine (which is in these supplements) along with other substances usually checked for, it's unlikely to be positive. And unless the basic vitamins are adulterated in some way, they will not trigger a positive drug test either. That said, mega green tea says its contents are "proprietary, " meaning you don't know amounts of constituents from the label. ...Read more

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Will mega-T green tea supplements cause a drug test to be positive?

Will mega-T green tea supplements cause a drug test to be positive?

Not that I know of: unless they are testing for caffeine, which would rarely, if ever, be done. However, the label says that the ingredients are "proprietary" which means they don't have to tell you everything that is in it. However, I have never seen any reports of false positives secondary to any kind of tea. In any case, false positives on screening tests can be ruled out with confirmatory tests. ...Read more

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Do focalin (dexmethylphenidate) and cocaine trigger the same positive urine drug test?

Do focalin (dexmethylphenidate) and cocaine trigger the same positive urine drug test?

Unlikely: There are screening tests and there are definitive tests. The screening tests can have false positives and false negatives, but the definitive tests are about 99% accurate. Especially with cocaine, it is very unlikely to have a false positive, Focalin (dexmethylphenidate) is a form of methylphenidate (ritalin) and is more closely related to amphetamine than cocaine. ...Read more

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How long does cocaine stay in your urine and turn drug test positive?

How long does cocaine stay in your urine and turn drug test positive?

1-4 days: Most sources list the time for positive Cocaine in the urine from urine drug screen to be 1 to 4 days, with an average time of 3 days. Confirmatory testing for Cocaine rarely reveals a false positive screening. ...Read more

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Will Zanaflex (tizanidine) cause you to fail a urine drug test?

No.: Urine drug testing using modern gas chromatography and mass spectroscopy for confirmatory chemical analysis will not mistake tizanidine (zanaflex) for another substance. ...Read more

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What would cause a false negative urine drug test for fentanyl patches?

What would cause a false negative urine drug test for fentanyl patches?

Errors: 1. Not wearing the patch, an exhausted patch, a placebo patch 2. The test was not specific for fentanyl 3. Lab error 4. Specimen misidentification. ...Read more

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Can diabetes give a false positive for cocaine in a urine drug test or would it cancel the test?

Myths: No. Not in any way would having diabetes cause a false positive or negative on a drug screening process for cocaine. ...Read more

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When getting a annual physical does the blood work include a drug test, and does the physical require a urine sample? I'm worried about false positive

When getting a annual physical does the blood work include a drug test, and does the physical require a urine sample? I'm worried about false positive

It does not: You can only be tested for drugs of abuse with your consent. Your physician doing your routine history and physical will not screen you for recreational substances. False-positive drug-of-abuse tests that have medicolegal consequences are very uncommon as the results must be verified by a test using a different chemical principle. And even if you're actually using, your physician is your friend. ...Read more

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Dr. Randy Baker
2,040 doctors shared insights

Supplements (Definition)

A dietary supplement, also known as food supplement or nutritional supplement, is a preparation intended to supplement the diet and provide nutrients, such as vitamins, minerals, fiber, fatty acids, or amino acids, that may be missing or may not be consumed in sufficient quantities in a person's diet. Some countries define dietary supplements as foods, while ...Read more


Dr. Alan Wartenberg
574 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