Xylazine emerged as a popular unlawful material among those that inject drugs in Puerto Rico while in the early 2000s. At present, there is proscribed information in regards to the unlawful use, geographic prevalence, and instant or long-term effects of xylazine on humans. An official with the Drug Enforcement Administration https://arthurhnoop.thezenweb.com/the-basic-principles-of-what-drug-class-is-xylazine-64199271