WebAug 1, 2010 · The over-the-counter antitussive medication dextromethorphan (DXM) can cause false-positive results for phencyclidine (PCP) upon urine drug screening (UDS). It is believed that DXM can also cause a false positive for opiates, presumably due to structural similarities. This could have serious implications, as DXM abuse is reported to be … WebYeah, there are several takeaways. First, although rare, false positive results can be seen in mass spectrometry and it is generally accepted that a particular drug is present if the drug has been detected by two different methods based on different principles. Despite the use of two independent methods, false positive results can still happen.
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WebJul 24, 2024 · There are many drugs that have been reported to cause a "false-positive" for benzodiazepines. These include: NSAIDs (Non-steroidal anti-inflammatory drugs) like naproxen and oxaprozin. In terms … WebAug 15, 2010 · False-positive results for methadone, opioids, phencyclidine, barbiturates, cannabinoids, and benzodiazepines were also reported in patients taking commonly … how to stake slp to ron
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WebDec 3, 2024 · Pathology 46 years experience. Yes : Certain tumors produce HCG and these will produce a false-positive pregnancy test even in a man. A chemical pregnancy (in which the conception is lost very early) might be considered a false-positive. I trust the specimen is not contaminated. Good luck; i hope that whatever comes next is what you want. WebSep 5, 2024 · 11 /11. Several of these medications for mental disorders can lead to false positive tests. Quetiapine, which treats schizophrenia and bipolar disorder, can wrongly show that you have methadone in ... WebAug 18, 2016 · In addition, ibuprofen can cause a false-positive PCP level. 1-2,4 Consider minimizing the use of NSAIDs in high-risk patients and recommending acetaminophen instead. The cough suppressant … reach mobile game