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



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category


Chemical Name

(RS)-alpha-Cyano-4-fluoro-3-phenoxybenzyl (1RS,3RS:1RS,3SR)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate

Foreign Name

  • Cyfluthrin (German)

Generic Names

  • Cyfluthrin (OS: BAN)
  • Bay V1 1704 (IS: Bayer)
  • Cyfoxylate (IS)
  • EPA Pestizide Chemical Code 128831 (IS)

Brand Names

  • Bayofly (veterinary use)
    Bayer, Germany; Bayer Animal Health, Belgium; Bayer HealthCare, Poland; Bayer Sanità Animale, Italy; Bayer Santé Animale, France
  • Bolfo (Cyfluthrin and Pyriproxyfen (veterinary use))
    Bayer, Germany; Bayer Portugal, SA., Portugal
  • Cylence (Cyfluthrin and Piperonyl Butoxid (veterinary use))
    Bayer Australia Ltd Animal Health, Australia
  • Cylence (veterinary use)
    Bayer Animal Health, South Africa
  • Fleegard (Cyfluthrin and Pyriproxyfen (veterinary use))
    Bayer Animal Health, South Africa
  • Indoor Outdoor (veterinary use)
    Exelpet Products, Australia
  • Responsar (veterinary use)
    Bayer Portugal, SA., Portugal
  • Tamirex (Cyfluthrin and Pyriproxyfen (veterinary use))
    Bayer, Germany

International Drug Name Search


BANBritish Approved Name
ISInofficial Synonym
OSOfficial Synonym

Click for further information on drug naming conventions and 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.