CDC Health Advisory: Medetomidine found in illegal drug supply leads to severe withdrawal syndrome

Published: 04/03/2026

Sources:
  • Centers for Disease Control and Prevention
Relevant To:
  • All Healthcare Organizations

Medetomidine is being detected in the illegal drug supply in more places across the United States. The Centers for Disease Control and Prevention (CDC) and the White House Office of National Drug Control Policy (ONDCP) released a health advisory though the Health Alert Network (HAN) titled Medetomidine in the U.S. Illegal Fentanyl Supply Increasing Risk for Overdose and Severe Withdrawal Syndrome.

Per the CDC, people may be unknowingly exposed to medetomidine, a sedative not approved for huma

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