Laudanum n. : Tincture of opium, used for various medical purposes.

Example:
My dog is drinking the Laudanum from the home surgery kit I got at a flea market, does it have a shelf life?

Taxonomy
opium tincture, laudanum, opium, morphine, dose, drug, mL, pain, paregoric, tincture of opium, alkaloids, opioids, overdose, diarrhea, treatment, alcohol, Confusion, United States.

Defination from the web:
Laudanum contains almost all of the opium alkaloids, including morphine and codeine. A potent narcotic by virtue of its high morphine concentration, laudanum was historically used to treat a variety of ailments, but its principal ...