DEA: Dangerous drug combination known to cause more overdose deaths Tuesday February 21, 2023 Written by Brian Hamrick - WLWT Xylazine is secretly being added to fentanyl and other opioids by street drug manufacturers to intensify the effects of the drugs. “Xylazine is particularly dangerous. It really isn't approved for human consumption. It's actually a veterinary sedative hypnotic,” said St. Elizabeth addiction medicine expert Mike Kalfas. Read more at WLWT.com Share on Facebook Share on Twitter Share by E-Mail Share on LinkedIn