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Opioids.

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newsMedetomidine and xylazine in Europe 2026: the sedatives creeping into the supplyA 2026 briefing on xylazine ("tranq") and medetomidine ("rhino tranq") in Europe — what these veterinary sedatives are, why they are turning up in heroin, ketamine and fake benzos, and how to respond to an overdose naloxone alone cannot fix.