Hmm…
https://kstp.com/5-investigates/good-luck-a-warning-from-philadelphia-as-xylazine-spreads-to-minnesotas-drug-supply/
Mixed into fentanyl.. horse tranquilizer. “ Xylazine is not an opioid, so the life-saving reversal drug, Narcan, has no effect on it. Users often fall into a deep sleep and develop severe withdrawal symptoms if they stop using the drug.”