May cause false positive result on PCP immunoassay

By rray, 4 April, 2024
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<sup>1</sup> Pristiq. Prescribing information. Pfizer Inc; 2023.
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<sup>2</sup> Rengarajan A, Mullins ME. How often do false-positive phencyclidine urine screens occur with use of common medications? <i>Clin Toxicol (Phila).</i> 2013 Jul;51(6):493-6. <a href=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4384887/pdf/nihms571773.pdf><u>Free, full-text PDF</u></a>
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<sup>3</sup> Bonjesta. Prescribing information. Duchesnay Inc; 2022.
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<sup>4</sup> Marchei E, et al. Are false-positive phencyclidine immunoassay instant-view multi-test results caused by overdose concentrations of Ibuprofen, metamizol, and dextromethorphan? <i>Ther Drug Monit.</i> 2007 Oct;29(5):671-3. <a href=https://journals.lww.com/drug-monitoring/citation/2007/10000/are_false_positive_phencyclidine_immunoassay.22.aspx><u>Article preview</u></a>
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<sup>5</sup> Moeller KE, et al. Clinical Interpretation of Urine Drug Tests: What Clinicians Need to Know About Urine Drug Screens. <i>Mayo Clin Proc.</i> 2017 May;92(5):774-796. <a href=https://www.mayoclinicproceedings.org/action/showPdf?pii=S0025-6196%2816%2930825-4><u>Free, full-text PDF</u></a>
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<sup>6</sup> Shannon M. Recent ketamine administration can produce a urine toxic screen which is falsely positive for phencyclidine. <i>Pediatr Emerg Care.</i> 1998 Apr;14(2):180.
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<sup>7</sup> Geraci MJ, et al. Phencyclidine false positive induced by lamotrigine (Lamictal®) on a rapid urine toxicology screen. <i>Int J Emerg Med.</i> 2010 Nov 6;3(4):327-31. <a href=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3047872/pdf/12245_2010_Article_235.pdf><u>Free, full-text PDF</u></a>
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<sup>8</sup> Macher AM, Penders TM. False-positive phencyclidine immunoassay results caused by 3,4-methylenedioxypyrovalerone (MDPV). <i>Drug Test Anal.</i> 2013 Feb;5(2):130-2.
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<sup>9</sup> Effexor XR. Prescribing information. Viatris Inc; 2023.
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May cause false-positive result on PCP immunoassay: