Quincy police have a warning out after four overdoses in the city just within 24 hours this past weekend. Drug dealers are selling prescription pills laced with potentially deadly opioids. Police said the problem is only getting worse, with people in Quincy thinking they are taking ADHD medication or painkillers, when really they are swallowing potentially lethal doses of fentanyl…

A six-point plan from the White House’s drug control office aims to scale up testing, treatment and efforts to intercept illegal shipments of xylazine, which is being mixed into fentanyl and other illicit opioids.

The Biden administration declared the dangerous illegal drug cocktail an “emerging threat” in April for its role in fueling a wave of overdose deaths.

A powerful animal sedative in the illicit drug supply is complicating the U.S. response to the opioid crisis. It’s called xylazine (pronounced ZY’-lah-zeen).

Cash, jewelry, cars, guns and drugs with a value in excess of $1 million were seized as part of a massive drug bust spanning multiple Massachusetts communities, authorities announced at a press conference Thursday afternoon. As a result of the 2-year investigation, 15,000 pills containing fentanyl and methamphetamine were seized, along with large quantities of cocaine, methamphetamine and amphetamines, according…

President Joe Biden’s drug czar on Wednesday declared that fentanyl mixed with xylazine, an animal tranquilizer known as “tranq” that has been linked to a rising number of overdose deaths across the U.S., represents an “emerging threat” facing the nation.

Everything to know about the the veterinary tranquilizer linked to an increase of overdose deaths nationwide.

New Hampshire health officials are warning residents about an increasingly popular and possibly deadly animal tranquilizer being added to drugs like fentanyl and heroin. Xylazine is used by veterinarians to sedate large animals, but health officials have been seeing it appear more often in the illicit drug supply. Also known as “tranq,” xylazine isn’t an opioid, but the New...

State and federal health officials are warning about the growing threat of an animal tranquilizer being added to opioids, causing serious skin reactions and some fatal overdoses.

[[Editor’s note: The name “Fred” is a pseudonym NBC10 Boston is using to protect the interview subject’s identity.]] As Fred lifted his pants leg he winced in pain. His jeans, damp from the freshly fallen snow, stuck to the open scab that stretched from his knee to his ankle, peeling away bits of skin as he revealed his wound....