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Doctor insights on: False Positives For Benzodiazepines

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Can Zoloft (sertraline) cause a false positive urine drug screen for benzodiadepines?

Can Zoloft (sertraline) cause a false positive urine drug screen for benzodiadepines?

Possible: It is possible and there is some data to support: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2728940/#__ffn_sectitle This could be a class effect with that class of drugs. Always talk to your doctor for anything medical. ...Read more

Benzodiazepines Level (Definition)

Testing blood levels of benzodiazepines is not a routine or common clinical test. It is done by simply taking a blood sample and testing it in the lab. It is most commonly done in research studies. An example of clinical use would be when there is a discrepancy between the prescribed dosage and ...Read more


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Tetrahydrocanabinol what causes for false negative and false positive?

Tetrahydrocanabinol what causes for false negative and false positive?

Great question: I think dilute urine is the most likely source for false negatives. I am not familiar with other substances outside of the cannabinoid class of compounds (some of the newer synthetics?) that will react with standard immunoassays. If one is concerned, however, about a false positive there is confirmatory testing that can determine for sure whether it was a false positive or not. ...Read more

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Can ADHD medications cause a false positive for opiates?

Can ADHD medications cause a false positive for opiates?

It's unlikely: Adhd medications are either stimulants, non-stimulants (anti-hypertensives), or anti-depressants. ...Read more

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False posotive for drug test what can causr a false positive for THC on an institant drug test

False posotive for drug test what can causr a false positive for THC on an institant drug test

A lot of products.: A screening drug test is not perfect. A site i would recommend for a list of over the counter medications and the associated false positives is: http://www.Askdocweb.Com/falsepositives.Html. ...Read more

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Can benzocaine cause false positive for cocaine?

Can benzocaine cause false positive for cocaine?

In short,: No. There are no structural similarities between these 2 drugs. ...Read more

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Which medications will cause false positive urine analysis results for opiates?

Which medications will cause false positive urine analysis results for opiates?

Test: Urine opiate test are looking for metabolic derivatives of opioids other similar molecules can cause reactions during test, showing false positive results. The most famous: poppy seeds on the bagels. Also dexomethorphan and perylamine among many others. ...Read more

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Can narcane givin before a uds cause a false positive for opiods?

Can narcane givin before a uds cause a false positive for opiods?

Opioid urine test: Narcane is a true antagonist of the opioids. Although his metabolits are similar in structure with the opioids, the reaction remains negative. No positive urine test. ...Read more

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Can cardura (doxazosin) cause a false positive on drug screenings for marijuana?

Can cardura (doxazosin) cause a false positive on drug screenings for marijuana?

Not to my knowledge: People have many reasons to claim all kinds of "false positives" with drug tests. Problem with mj is that thc stays in fat of body for quite a long time after last use, especially compared to other recreational drugs. This means some people end up very surprised by positive test when last use was many weeks ago. Not truly a false positive from strictly technical point of view. ...Read more

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Will amoxicillin cause a false positive for cocaine?

Will  amoxicillin cause a false positive for cocaine?

False + test cocaine: You need to look at the specific test done and see what things give a false positive test. Not likely is my guess or they would have warned you. ...Read more

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Can benzocaine cause a false positive test for cocaine?

Can benzocaine cause a false positive test for cocaine?

No: Use of anesthetic agents, including benzocaine, tetracaine, and lidocaine, should not cause false-positive Cocaine test results in urine testing for any drugs of abuse, including cocaine. ...Read more

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Is there any medical reason for an abnormally large number of false positives for benzodiazepines on urine drug screens?

Is there any medical reason for an abnormally large number of false positives for benzodiazepines on urine drug screens?

Benzodiazepines: Nope. But remember benzos can stay positive in the urine for six weeks. One false positive is occasionally seen, but not repeated testing. ...Read more

Benzodiazepine (Definition)

They are used for anxiety ...Read more