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What Causes False Positive For Xanax In A Urine Drug Test?

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Posted on Sat, 30 Jan 2016
Question: Hi I just got a false positive Subutex drug screening, how can this be possible ??? I do not take that drug & have never touched it. I do take a lot of meds & my family doctor will not believe me, we found this out on a urine drug screen. None of my meds showed up I take Hydrocodone & Xanax plus 3 blood pressure pills anti deppresant . ??
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Answered by Dr. Amarnath (8 hours later)
Brief Answer:
this is a very sensitive test only rely on an accredited lab only

Detailed Answer:
welcome to healthcare magic,
There are various reasons for drug screening being positive in one lab and negative in other
The drug screening has some limitations the can detect some and not all. It will not miss semisynthetic opioids and opioids like hydrocartisone,buprinorphine (subutex)

Some Ayurveda and homeopathic drugs also mix opioids or steroids without disclosing in the label. Studies in the Ayurveda and homeopathic drugs done for pharmacological analysis have been repeatedly detecting opioids
Apart from these things the normal food which you intake also may contain steroids.

First of all I would like to know the detailed history of what are the drugs you have been taking for the past one year including homeopathic, ayurvedic and allopathic preparations

I would also like to know your regular food habits, what are the things you usually take in the morning, evening and for lunch including your snacks with brand names.

Also, I would like to mention that other than steroids and opioids you cannot expect all the drugs you take to get detected with the drug screening.

Awaiting your reply.
Note: For more detailed guidance, please consult an Internal Medicine Specialist, with your latest reports. Click here..

Above answer was peer-reviewed by : Dr. Sonia Raina
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Answered by
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Dr. Amarnath

General & Family Physician

Practicing since :2002

Answered : 463 Questions

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What Causes False Positive For Xanax In A Urine Drug Test?

Brief Answer: this is a very sensitive test only rely on an accredited lab only Detailed Answer: welcome to healthcare magic, There are various reasons for drug screening being positive in one lab and negative in other The drug screening has some limitations the can detect some and not all. It will not miss semisynthetic opioids and opioids like hydrocartisone,buprinorphine (subutex) Some Ayurveda and homeopathic drugs also mix opioids or steroids without disclosing in the label. Studies in the Ayurveda and homeopathic drugs done for pharmacological analysis have been repeatedly detecting opioids Apart from these things the normal food which you intake also may contain steroids. First of all I would like to know the detailed history of what are the drugs you have been taking for the past one year including homeopathic, ayurvedic and allopathic preparations I would also like to know your regular food habits, what are the things you usually take in the morning, evening and for lunch including your snacks with brand names. Also, I would like to mention that other than steroids and opioids you cannot expect all the drugs you take to get detected with the drug screening. Awaiting your reply.