Products
Butorphanol is commercially available as an injectable solution for animals. It has been approved in many countries since 1998.
Structure and properties
Butorphanol (C21H29NO2, Mr = 327.5 g/mol)
Effects
Butorphanol (ATCvet QN02AF01) has analgesic and cough-irritant properties. It is an agonist at the κ-opioid receptor and an antagonist at the μ-opioid receptor.
Indications
For the treatment of pain in horses, dogs, cats, rabbits, guinea pigs, and ferrets and for the treatment of cough in dogs.