The drug, although originally developed for humans, is not recognized for human use but is often found cut into street drugs like fentanyl. Lawmakers proposed the veterinary exemption during the 2025 regular legislative session, although that bill did not pass. “The Florida Veterinary Medical Association (FVMA) supports the xylazine veterinary exemption proposed by Florida Attorney General James Uthmeier,” the FVMA said to the Phoenix. “It seems that they are using the veterinary drugs because no one’s really looking for them at first and it’s hard to test for,” Mathias said. A common indicator people have injected Xylazine, Mathias said, is ulcers near the area the drug where the drug was administered, which he said can be “pretty severe.”The drug cannot be reversed with naloxone, unlike opioids.