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

In the US, Fomepizole (fomepizole systemic) is a member of the drug class antidotes and is used to treat Ethylene Glycol Poisoning and Methanol Poisoning.

US matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories


Alcohol dehydrogenase (ADH) inhibitor

Chemical Name

1H-Pyrazole, 4-methyl-

Foreign Names

  • Fomepizolum (Latin)
  • Fomepizol (German)
  • Fomépizole (French)
  • Fomepizol (Spanish)

Generic Names

  • Fomepizole (OS: USAN, BAN)
  • Fomépizole (OS: DCF, DCF)
  • 4-MP (IS)
  • Fomepizol sulfat (IS: 2:1)

Brand Names

  • Antizol Vet (veterinary use)
    Paladin, United States
  • Antizol
    Paladin, Canada; Paladin, United States
  • Fomepizole
    Bioniche, United States; Luitpold, United States; Navinta, United States; Synerx, United States
  • Fomépizole AP-HP
    AP-HP, France
  • Fomepizole EUSA Pharma
    Eusa, Austria; EUSA Pharma, Norway; Swedish Orphan, Iceland; Swedish Orphan Biovitrum, Sweden
  • Fomepizole OPi
    Eusa, Germany; IFET, Greece; Swedish Orphan, Finland

International Drug Name Search


BANBritish Approved Name
DCFDénomination Commune Française
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.