[Clinical challenges and toxicology of nitazenes].

Authors

Dorte Fris Palmqvist, Ragner Thomsen, Brian Schou Rasmussen, Eske Kvanner Aasvang, Henrik Vigh, Nanna Reiter

Published in

Ugeskrift for laeger. Volume 188. Issue 38. Sep 14, 2026. Epub Sep 14, 2026.

Abstract

Nitazenes are 2-benzylbenzimidazole opioids never approved for medical use. They are highly potent, up to 500-fold stronger than heroin, and overdoses may require higher naloxone doses compared with overdoses caused by other opioids. They are found on the illicit drug market, but their presence in Denmark - particularly in counterfeit tablets - appears to be limited. Fatal cases have occurred, and forensic detection is challenged by very low lethal concentrations. Collaboration between authorities, clinicians and forensic toxicologists is crucial to prevent nitazene-related deaths in Denmark.

PMID:
42894935
Bibliographic data and abstract were imported from PubMed on 19 Oct 2026.

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