COLUMBUS, Ohio — The Drug Enforcement Agency said xylazine is a growing problem in Ohio and across the country. Xylazine is often mixed with fentanyl, but the drug is an animal tranquilizer.

MONTEREY — The Combating Illicit Xylazine Act — which would list xylazine as a Schedule III controlled substance while protecting the drug’s legal use by veterinarians, farmers and ranchers ...