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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


Chemical Name

Carbamotioic acid, [2-(2-metyl-5-nitro-1H-imidazol-1-yl)etyl]-, O-metyl ester

Foreign Names

  • Carnidazolum (Latin)
  • Carnidazol (German)
  • Carnidazole (French)
  • Carnidazol (Spanish)

Generic Names

  • Carnidazole (OS: BAN, USAN)
  • R 25831 (Janssen) (IS)

Brand Names

  • Carnidazole Spartrix [veterinary use]
    Wildlife Laboratories, United States
  • Harkers Carnidazole [veterinary use]
    Harkers Ltd, United Kingdom
  • Spartrix [veterinary use]
    Elanco Deutschland GmbH, Germany; Eli Lilly Benelux, Belgium; Laboratoires Biové, France; Lilly-Elanco, Netherlands; Röhnfried, Germany


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

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.