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



CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

α₂-adrenoceptor antagonist (α₂ blocker)

Chemical Name

4-(2-Etyl-2-indanyl)imidazole (WHO)

Foreign Names

  • Atipamezolum (Latin)
  • Atipamezol (German)
  • Atipamézole (French)
  • Atipamezol (Spanish)

Generic Names

  • Atipamezole (OS: BAN, USAN)
  • MPV 1248 (IS: FarmosGroupLt)
  • UNII-03N9U5JAF6 (IS)
  • Atipamezole Hydrochloride (OS: BANM)
  • UNII-2W4279571X (IS)

Brand Names

  • Alzane (veterinary use)
    Gräub, Switzerland; Laboratorios Syva, Austria; Laboratorios Syva, Belgium; Laboratorios Syva, Ireland; Laboratorios Syva, Italy; Laboratorios Syva, Netherlands; Laboratorios SYVA S.A., Norway; Laboratorios SYVA, S.A., United Kingdom; N-vet, Sweden; Vetcare, Finland; Zoetis, Germany; Zoetis, France
  • Antidorm (veterinary use)
    Axience, France
  • Antisedan (veterinary use)
    Lilly Vet, France; Lilly-Elanco, Italy; Orion, Austria; Orion, Ireland; Orion, Israel; Orion, Netherlands; Orion Pharma Animal Health, Belgium; Orion Pharma Animal Health, United Kingdom; Orion Pharma Animal Health, Norway; Orion Pharma Animal Health, Sweden; Orion Pharma Animal Health, United States; Orion Pharma Eläinlääkkeet, Finland; Provet, Switzerland; Zoetis, New Zealand; Zoetis, South Africa; Zoetis Australia, Australia
  • Atipam (veterinary use)
    Albrecht, Germany; Dechra, Finland; Dechra, Sweden; Dechra Veterinary Products, France; Eurovet, Italy; Eurovet Animal Health, Austria; Eurovet Animal Health, Belgium; Eurovet Animal Health, Ireland; Eurovet Animal Health, Netherlands; Eurovet Animal Health BV, United Kingdom
  • Atipamezole Ilium (veterinary use)
    Ilium Veterinary Products, Australia
  • Atipazole (veterinary use)
    Vetpharma Animal Health, Belgium; Vetpharma Animal Health, S.A., United Kingdom; Veyx, Germany
  • Medased (veterinary use)
    Vetpharm, New Zealand
  • Narcostop (veterinary use)
    Ceva Santé Animale, France; Le Vet, Austria; Le Vet, Belgium; Le Vet, Netherlands
  • Nosedorm (veterinary use)
    Sogeval, France
  • Revazol (veterinary use)
    Eurovet, Norway
  • Revertor (veterinary use)
    CP Pharma, Belgium; CP Pharmaceuticals, United Kingdom; CPPharma, Germany; CP-Pharma, Austria; CP-Pharma, Ireland; CP-Pharma, Netherlands; CP-Pharma, Norway; CP-Pharma, Poland; VetMedic, Finland; Virbac, Switzerland; Virbac, France; Virbac, Italy; VM Pharma, Sweden
  • Sedastop (veterinary use)
    AST, Netherlands; Le Vet Beheer, Ireland; Le Vet Pharma B.V., United Kingdom; Faunapharma, Finland
  • Tipafar (veterinary use)
    Alvetra, Germany; Vetpharma Animal Health, S.A., United Kingdom


BANBritish Approved Name
BANMBritish Approved Name (Modified)
ISInofficial Synonym
OSOfficial Synonym
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.