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Show Notes
Author: Michael Hunt, MD
Educational Pearls:
- Like all tests, urine toxicology (utox) screens can have false positives
- Prescription medications such as demerol, antipsychotics, ketamine, and tramadol can all produce a false positive utox for PCP
- Over-the-counter medication such as dextromethorphan also mimic PCP on utox
References
Doyon S. (January 2014). False Positive Urine Screens for Phencyclidine. ToxTidbits. Retrieved from https://www.mdpoison.com/media/SOP/mdpoisoncom/ToxTidbits/2014/January%202014%20ToxTidbits.pdf
Summarized by Will Dewispelaere, MS3 | Edited by Erik Verzemnieks, MD