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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

Antiprotozoal: Agent against coccidiosis

Chemical Name


Foreign Names

  • Toltrazurilum (Latin)
  • Toltrazuril (German)
  • Toltrazuril (French)
  • Toltrazurilo (Spanish)

Generic Names

  • Toltrazuril (OS: USAN, BAN)
  • Bay Vi 9142 (IS: Bayer)

Brand Names

  • Baycox (veterinary use)
    Bayer, Germany; Bayer Animal, Netherlands; Bayer Animal, New Zealand; Bayer Animal Health, Belgium; Bayer Animal Health, United Kingdom; Bayer Animal Health, Ireland; Bayer Animal Health, Luxembourg; Bayer Animal Health, Norway; Bayer Animal Health, Sweden; Bayer Animal Health, South Africa; Bayer Australia Ltd Animal Health, Australia; Bayer HealthCare, Poland; Bayer Sanità Animale, Italy; Bayer Santé Animale, France; Bayer Tiergesundheit, Austria; Orion, Finland; Provet, Switzerland
  • Cevazuril (veterinary use)
    Ceva, Austria; Ceva, Germany; Ceva, France; Vetem, Italy
  • Procox (Toltrazuril and Emodepside (veterinary use))
    Bayer Animal Health, United Kingdom; Bayer Animal Health, Norway; Bayer Animal Health, Sweden
  • Toltarox (veterinary use)
    Krka, United Kingdom
  • Toltracox (veterinary use)
    Bomac Animal Health, Australia
  • Toltranil (veterinary use)
    Krka, United Kingdom; Virbac, Germany; Virbac, France
  • Tratol (veterinary use)
    Krka, United Kingdom

International Drug Name Search


BANBritish Approved Name
ISInofficial Synonym
OSOfficial Synonym
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name

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.