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Nitazenes found in 5 overdose deaths in Philly – here’s what they are and why they’re so deadly

  • Written by Christopher P. Holstege, Professor of Emergency Medicine and Pediatrics, University of Virginia
imageNitazenes are a class of synthetic opioids more potent than fentanyl.Joe Lamberti/The Washington Post via Getty Images

The Philadelphia Medical Examiner’s Office found that nitazenes, a synthetic opioid up to 40 times more powerful than fentanyl, were connected to at least five overdose deaths in Philadelphia in the past two years.

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Read more: Nitazenes found in 5 overdose deaths in Philly – here’s what they are and why they’re so deadly

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