The drug exists in a lawful gray zone. Accredited 50 yrs ago because of the F.D.A. like a veterinarian-prescribed analgesic, It's not listed being a controlled compound for animals or humans and so isn't subject matter to stringent checking. Hence, it hasn't been to the radar of federal law enforcement https://martinbdcbb.blogsvila.com/26653296/everything-about-xylazine-class-of-drug