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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 Categories

Non-steroidal anti-inflammatory drug, NSAID

Cyclo-oxygenase 2 (COX-2) inhibitor

Antirheumatic agent

Chemical Name

{5-ethyl-2-[(2,3,5,6-tetrafluorophenyl)amino]phenyl}acetic acid (WHO)

Foreign Names

  • Robenacoxibum (Latin)
  • Robenacoxib (German)
  • RobĂ©nacoxib (French)
  • Robenacoxib (Spanish)

Generic Name

  • UNII-Z588009C7C (IS)

Brand Names

  • Onisor (veterinary use)
    Novartis Tiergesundheit, Germany
  • Onsior (veterinary use)
    Novartis Animal Health, Austria; Novartis Animal Health, United Kingdom; Novartis Animal Health, Norway; Novartis Animal Health, Poland; Novartis Animal Health, Sweden; Novartis Animal Health, United States; Novartis Santé Animale, France; Novartis Tiergesundheit, Switzerland

International Drug Name Search


ISInofficial Synonym
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
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.