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Doctor insights on: Does Xanax Cause A False Positive On Drug Test

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Can xanax(alprazolam) cause a positive drug test for serax (oxazepam)?

Can xanax(alprazolam) cause a positive drug test for serax (oxazepam)?

No: Oxazepam is a metabolite of Valium but not xanax (alprazolam). It is a drug prescribed itself. Like Nexium (esomeprazole) is a metabolite of Prilosec (omeprazole). ...Read more

Dr. Alan Ali
905 doctors shared insights

Alprazolam (Definition)

Alprazolam is a short acting benzodiazepine, it does not last long in the system . So when used regularly with multiple doses to treat anxiety, it is associated with inter-dose withdrawal, tolerance and a resulting increase level of baseline anxiety. So in anxiety clinics, we use it only in cases of " flight , dentist or other infrequent anxieties, ...Read more


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If i took 0.5mg of Xanax (alprazolam) 24hrs before a pre-employment drug test will it show up as positive I am a male 49 years old 6ft2in tall 210lbs and have not used Xanax (alprazolam) before

It may: Depending on what test they use. Xanax (alprazolam) and Klonopin are not metabolized into the usual molecule that drug screening kits are looking for (at least not in large amounts) - oxazepam. There are kits that look for it. If you have a prescription for xanax, (alprazolam) that is an iron clad defense unless it is a safety=sensitive job. If it was not prescribed, you are misusing (if not abusing) the drug. ...Read more

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Took 0.5mg Xanax (alprazolam) on the 26th (prescribed) drug test for new job on the 3rd, will it test positve? Also stopped klonopin 2 months ago with that be + ?

Took 0.5mg Xanax (alprazolam) on the 26th (prescribed) drug test for new job on the 3rd, will it test positve? Also stopped klonopin 2 months ago with that be + ?

Xanax (alprazolam): Possible for xanax (alprazolam), (alprazolam) not klonopin, if testing for benzos. However, if u have documentation of xanax (alprazolam) being prescribed by a physician then u should be ok. ...Read more

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I need to know what will cause a false positive on a hair drug test i don't use illegal drugs but im on a lot of mediciations ?

Depends on the drugs: This will be connected to the drugs being looked for in the hair and what you are taking. Obviously narcotics will show up if taking over long periods of time. ...Read more

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I took metformin 500 mg and I was wondering how long after stopping that it was out of your system and could it cause a false positive drug test?

I took metformin 500 mg and I was wondering how long after stopping that it was out of your system and could it cause a false positive drug test?

Metformin 500: Metformin 500 is usually taken twice a day - out of your system every 12 hours. I don't think it can cause a faulse positive test if you are monitoring your blood sugar. If you think the metformin associated blood glucose values are too high or too low please contact your doctor. ...Read more

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Will unisom cause a false positive on a drug test!?

No: It would be very unusual to have a false positive on a urine drug screen with unisom. In the rare chance this did happen, the confirmatory test would come back negative. ...Read more

Dr. Alan Wartenberg
544 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


Xanax (Definition)

Alprazolam is a short-acting benzodiazepine which is a kind of sleep-inducing drug ...Read more