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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

Antibacterial: Fluoroquinolone (gyrase inhibitor)

Chemical Names

1-Cyclopropyl-7-(cis-3,5-dimetyl-1-piperazinyl)-5,6,8-trifluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid

1-cyclopropyl-7-(cis-3,5-dimetyl-1-piperazinyl)-55,6,8-trifluoro-1,4,dihydro-4-oxo-3-quinolinecarboxylic acid

Foreign Names

  • Orbifloxacinum (Latin)
  • Orbifloxacin (German)
  • Orbifloxacine (French)
  • Orbifloxacino (Spanish)

Generic Names

  • Orbifloxacin (OS: BAN, JAN)
  • Marufloxacin (IS)
  • Orbifloxacin (PH: BP 2010, BP vet. 2018, USP 41)
  • Orbifloxacin for veterinary use (PH: Ph. Eur. 9)
  • Orbifloxacinum ad usum veterinarium (PH: Ph. Eur. 9)

Brand Names

  • Orbax [veterinary use]
    Intervet, United States
  • Posatex [+ Mometasone, + Posaconazole] [veterinary use]
    Intervet, Belgium; Intervet, Estonia; Intervet, United Kingdom; Intervet, Iceland; Intervet, Italy; Intervet, Poland; Intervet, United States; MSD, Germany; MSD Animal, Norway; MSD Animal Health, Switzerland; Selectavet, Germany; Vet Pharma Friesoythe, Israel; MSD Santé Animale Intervet, France
  • Posatex für Hunde [+ Mometasone, + Posaconazole] [veterinary use]
    Intervet International, Austria
  • Posatex voor honden [+ Mometasone, + Posaconazole] [veterinary use]
    Intervet, Netherlands


BANBritish Approved Name
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World 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.