What to know about the drug xylazine and why it's making fentanyl worse - ABC News

DEA issues public safety alert for mixture of powerful veterinary drug with fentanyl
In part one of a series, ABC News' Bob Woodruff examines how the powerful synthetic opioid fentanyl is devastating cities across America, and what one city is doing to respond to the epidemic.

CDC says xylazine, or tranq, increasingly found in opioid deaths

Xylazine tranquilizer mixed with fentanyl labeled 'emerging threat

Xylazine-Laced Fentanyl: The Deadly Combination Sweeping The Nation

Xylazine, the animal tranquilizer contaminating Philly's opioid

Animal Tranquilizer Xylazine Poses Major Threat

Zombie drug' growing at a rapid rate, lawmakers introduce bill to

Doctor warns 'tranq' animal sedative is worsening opioid overdoses

Cook County Sees 17% Spike In Overdose Deaths Tied to Veterinary

Congress turns its eye to fentanyl crisis

Deadly drug combination tranq reported in nearly every state