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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 Name

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

Foreign Names

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

Generic Names

Brand Names

  • Butador (veterinary use)
    Richter Pharma AG, Ireland
  • Butrum
    Aristo, India
  • Dolorex (veterinary use)
    Intervet, Netherlands; Intervet Ireland, Poland
  • Stadol
    GlaxoSmithKline, Egypt
  • Torbugesic (veterinary use)
    Zoetis, United Kingdom
  • Torbutrol (veterinary use)
    Zoetis, United Kingdom
  • Torphasol (veterinary use)
    aniMedica, United Kingdom
  • Alvegesic (veterinary use)
    Alvetra, Germany; Alvetra, Ireland; Alvetra u. Werfft, Austria; Alvetra u. Werfft, Netherlands; Alvetra u. Werfft, Norway; Alvetra u. Werfft AG, United Kingdom; CPPharma, Germany; Dechra, Finland; Dechra, Sweden; Dechra Veterinary Products, France
  • Alvegesic 1% forte (veterinary use)
    Virbac, Switzerland
  • Apo-Butorphanol
    Apotex, Canada
  • Butador (veterinary use)
    Boehringer Ingelheim Santé Animale, France; Richter Pharma, United Kingdom; Vetoquinol, Sweden
  • Butaro
    Lotus Pharmaceuticals, Taiwan
  • Butomidor (veterinary use)
    Ausrichter, Australia; Ausrichter, New Zealand; Dechra, Netherlands; Richter Pharma, Austria; Richter Pharma, Belgium; Richter Pharma, Norway; Salfarm, Sweden; Streuli Pharma, Switzerland; Vetochas, Germany
  • Butordol (veterinary use)
    MSD Animal Health, Finland
  • Butorgesic (veterinary use)
    Ilium Veterinary Products, Australia
  • Butorphanol Richter (veterinary use)
    Gedeon Richter, Ireland
  • Butorphanol Tartrate Bayer (veterinary use)
    Bayer Animal Health, United States
  • Butorphic (veterinary use)
    Lloyd, New Zealand; Akorn, United States
  • Butrum
    Aristo, India
  • Dolorex (veterinary use)
    Intervet, Belgium; Intervet, United Kingdom; Intervet, Italy; Intervet, Sweden; Intervet, United States; Intervet Ireland, Ireland; MSD, Germany; MSD, New Zealand; MSD Animal, Norway; MSD Animal Health, Australia; MSD Animal Health, Switzerland; MSD Santé Animale Intervet, France
  • Ilium Butorgesic (veterinary use)
    Troy Laboratories NZ, New Zealand
  • Morphasol (veterinary use)
    Albrecht, Germany; aniMedica, Germany; aniMedica, Norway; Gräub, Switzerland; aniMedica, Austria; aniMedica, Ireland; aniMedica, Netherlands
  • Morphasol Cheval (veterinary use)
    aniMedica, Belgium
  • Morphasol Chiens, Chats (veterinary use)
    aniMedica, Belgium
  • Nargesic (veterinary use)
    Acme, Italy
  • Nuo Yang
    Hengrui, China
  • Orfadol
    Jiangsu Sihuan, Philippines
  • PMS-Butorphanol
    Pharmascience, Canada
  • Torbugesic (veterinary use)
    Fort Dodge Animal Health, Poland; Orion Pharma Animal Health, Sweden; Zoetis, Germany; Zoetis, France; Zoetis, Ireland; Zoetis, Italy; Zoetis, Netherlands; Zoetis, New Zealand; Zoetis, United States; Zoetis Australia, Australia; Zoetis Belgium, Belgium
  • Torbugesic 1% (veterinary use)
    Zoetis, France
  • Torbugesic-SA (veterinary use)
    Zoetis, United States
  • Torbuphanol (veterinary use)
    Zoetis, Ireland
  • Torbutrol (veterinary use)
    Zoetis, United States
  • Torphasol (veterinary use)
    Axience, France; Esteve, Italy; Faunapharma, Finland; VM Pharma, Sweden
  • Torpudor (veterinary use)
    Vetcare, Finland
  • Ziphanol
    Myungmoon, Philippines


BANBritish Approved Name
BANMBritish Approved Name (Modified)
DCITDenominazione Comune Italiana
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name
WHOWorld Health Organization

Further information on drug naming conventions: International Nonproprietary Names.

Important Notice: The 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.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.