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Experts Warn: Nitazenes Surge Amid Rising Overdose Crisis

9/19/2025

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Summary

Story summary

Experts warn that nitazenes, synthetic opioids up to 20 times more potent than fentanyl, are increasingly present in the U.S. illegal drug market.
Developed in the 1950s, nitazenes were never approved for medical use due to overdose risks.
They evade standard drug tests, complicating overdose treatment, with naloxone potentially requiring higher doses.
The DEA reports a rise in nitazene-related overdoses, especially in Tennessee and Pennsylvania.
Authorities emphasize the need for public education and improved access to testing and naloxone.

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Story summary

Experts warn that nitazenes, synthetic opioids up to 20 times more potent than fentanyl, are increasingly present in the U.S. illegal drug market.
Developed in the 1950s, nitazenes were never approved for medical use due to overdose risks.
They evade standard drug tests, complicating overdose treatment, with naloxone potentially requiring higher doses.
The DEA reports a rise in nitazene-related overdoses, especially in Tennessee and Pennsylvania.
Authorities emphasize the need for public education and improved access to testing and naloxone.