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Animal tranquilizer triggers new wave of overdoses

U.S. health officials are already grappling with a street drug supply of fentanyl laced with “tranq,” or xylazine, an animal tranquilizer that causes terrible flesh wounds. Now another chemical long used by veterinarians is turning up in the street drug supply that suppresses heart activity.

NPR’s Brian Mann reports.

This article was originally published on WBUR.org.

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