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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)
  • Marufloxacin (IS)
  • Orbifloxacin (PH: BP 2010, BP vet. 2015, USP 38)
  • Orbifloxacin for veterinary use (PH: Ph. Eur. 8)
  • Orbifloxacinum ad usum veterinarium (PH: Ph. Eur. 8)

Brand Names

  • Orbax (veterinary use)
    Essex Tierarznei, Poland; Intervet, United Kingdom; Intervet, Netherlands; Intervet, United States
  • Posatex (Orbifloxacin and Mometasone, + Posaconazole (veterinary use))
    Intervet, Belgium; Intervet, United Kingdom; Intervet, Italy; Intervet, Netherlands; Intervet, United States; Intervet International, Austria; MSD, Germany; MSD Animal, Norway; MSD Animal Health, Switzerland; Selecta, Germany; MSD Santé Animale Intervet, France


BANBritish Approved Name
ISInofficial Synonym
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.