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medetomidine 'rhino tranq' withdrawal risk

April 5, 2026Ian Weissman, DO

Ian Weissman warns that medetomidine, increasingly detected in drug seizures, is not approved for humans and that stopping it after regular use can cause severe, life-threatening withdrawal.

Medetomidine, which is also known as 'rhino tranq,' or 'dex', is ​not approved for human use.
It has increasingly been detected in law enforcement drug seizures,
Stopping medetomidine after regular use can trigger severe life-threatening drug withdrawal.
Ian Weissman, DO
substance usepublic health

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