Rapid Action Drug Alerts and Response (RADAR) Alert: Nitazenes

Last updated: 26 October 2026

27 October 2026 - Version 2.1: Inclusion of the latest data on testing and toxicology.
12 August 2025 - Version 2.0: Alert comprehensively updated to include updated intelligence and changes to content and design.
13 March 2025 - Version 1.5: Addition of signposting to the Scottish Drugs Forum resource on rapid-onset overdoses.
16 January 2025 - Version 1.4: The legal status section of this alert was updated in January 2025 to reflect amendments to the Misuse of Drugs Act (1971).
08 July 2024 - Version 1.3: Inclusion of information on increasing detections in heroin and benzodiazepines.
20 November 2023 - Version 1.2: Inclusion of post-mortem toxicology data.
29 March 2023 - Version 1.1: Inclusion of information on new detections.
24 January 2023 - Version 1.0: First published