In some countries, this medicine may only be approved for veterinary use.

In the US, Butorphanol (butorphanol systemic) is a member of the drug class narcotic analgesics and is used to treat Anesthesia, Anesthetic Adjunct, Labor Pain and Pain.

US matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Opioid analgesic

Chemical Names

(-)-17-(Cyclobutylmethyl)morphinan-3,14-diol (WHO)

(9R,13S,14S)-17-Cyclobutylmethylmorphinan-3,14-diol (IUPAC)

Foreign Names

  • Butorphanolum (Latin)
  • Butorphanol (German)
  • Butorphanol (French)
  • Butorfanol (Spanish)

Generic Names

Brand Names

  • Butrum
    Aristo, India
  • Dolorex (veterinary use)
    Intervet Ireland, Poland
  • Torbugesic (veterinary use)
    Pfizer Animal Health, United Kingdom
  • Torbutrol (veterinary use)
    Pfizer Animal Health, United Kingdom
  • Torphasol (veterinary use)
    Animalcare LTD, United Kingdom
  • Alvegesic (veterinary use)
    Alvetra, Germany; Alvetra u. Werfft, Austria; Alvetra u. Werfft AG, United Kingdom; CPPharma, Germany; Dechra, Sweden; Virbac, Switzerland
  • Apo-Butorphanol
    Apotex, Canada
  • Butador (veterinary use)
    Boehringer Ingelheim Santé Animale, France; Richter Pharma, Norway; Vetcare, Finland; Vetoquinol, Sweden
  • Butaro
    Lotus Pharmaceuticals, Taiwan
  • Butomidor (veterinary use)
    Ausrichter, Australia; Richter, Austria; Richter Pharma, Norway; Richter Pharma, Poland; Salfarm, Sweden; Vetochas, Germany
  • Butordol (veterinary use)
    Intervet, Finland
  • Butorgesic (veterinary use)
    Ilium Veterinary Products, Australia
  • Butorphanol Tartrate
    Baxter, United States; Bedford, United States; Claris, United States; Hikma, United States; Hospira, United States; Mylan, United States; Novex, United States; Roxane, United States
  • Butorphanol Tartrate (veterinary use)
    IVX, United States
  • Butorphanol
    Roxane, United States
  • Butorphic (veterinary use)
    Lloyd, New Zealand; Lloyd, United States
  • Butrum
    Aristo, India
  • Dolorex (veterinary use)
    Intervet, Belgium; Intervet, Germany; Intervet, France; Intervet, United Kingdom; Intervet, Italy; Intervet, Netherlands; Intervet, Norway; Intervet, Sweden; Intervet, United States; Intervet / Schering-Plough Animal Health, New Zealand; Intervet International B.V., Luxembourg; Intervet/Schering-Plough Animal Health, Australia; Veterinaria, Switzerland
  • Heifermax (veterinary use)
    Ivy, United States
  • Morphasol (veterinary use)
    Albrecht, Germany; Animedic, Germany; Gräub, Switzerland
  • Nuo Yang
    Hengrui, China
  • PMS-Butorphanol
    Pharmascience, Canada
  • Stadol NS
    Cephalon, United States
  • Stadol
    Bristol-Myers Squibb, Egypt; Bristol-Myers Squibb, Japan; Bristol-Myers Squibb, United States; Cephalon, United States; Sandoz, United States
  • Torbugesic (veterinary use)
    Fort Dodge Animal Health, New Zealand; Fort Dodge Animal Health, Poland; Fort Dodge Animale Health, United States; Interchem, Ireland; Pfizer Animal Health, Australia; Pfizer GmbH Tiergesundheit, Germany; Pfizer Santé Animale, France
  • Torbugesic-SA (veterinary use)
    Fort Dodge Animale Health, United States
  • Torbutrol (veterinary use)
    Fort Dodge Animale Health, United States

International Drug Name Search


BANBritish Approved Name
BANMBritish Approved Name (Modified)
IUPACInternational Union of Pure and Applied Chemistry
ISInofficial Synonym
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name
WHOWorld Health Organization

Click for further information on drug naming conventions and International Nonproprietary Names.

Important Notice: The Drugs.com international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.