November 20, 2019
Potent Synthetic Opioid – Isotonitazene – Recently Identified in the Midwestern United States
Isotonitazene has been identified in eight blood specimens associated with postmortem death investigations in the United States since August 2019. Isotonitazene was first reported in August 2019 based on the results from seized drug and toxicology casework in Europe (Belgium) and Canada (Alberta); the Canadian toxicology case was collected in March 2019.
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