With a few exceptions, vet and human drugs are the same. The opioids routinely used in veterinary practice may have packaging restrictions and warnings limiting them to animal use only, but, chemically, they are the same and usually come from the same productions lines as opioids packaged for human use.
“With a few exceptions, vet and human drugs are the same.”
True -— but oxycodone, hydrocodone, morphine, and heroin are rarely if ever used or dispensed in a typical, ordinary Veterinary Practice -— at least not here in Texas.