Xylazine Was very first synthesized by Bayer in 1962 then authorized as an animal medicine by the FDA in 1972. It's a non-opioid used for its sedative, discomfort relieving with muscle relaxant Houses in animal (veterinary) medicine. It's not permitted via the FDA to be used in humans. This may https://twitter.com/GellerJerr67781/status/1670773328427073545?s=20