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ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories


Anti-hirsutism agent

Ornithine decarboxylase inhibitor

Chemical Names

(RS)-2,5-Diamino-2-(difluormetylpentansäure (IUPAC)


DL-Ornitine, 2-(difluorometyl)-

Foreign Names

  • Eflornithinum (Latin)
  • Eflornithin (German)
  • Éflornithine (French)
  • Eflornitina (Spanish)

Generic Names

Brand Names

  • Cycladin
    Mediderm, Peru
  • Plenas
    Lafedar, Argentina
  • Vaniqa
    Almirall, Spain; Almirall, Finland; Almirall, Poland; Almirall, Portugal; LKM, Argentina
  • Eflotism 13.9%
    Apex, Egypt
  • Vaniga 11.5%
    Almirall, United Kingdom
  • Vaniqa
    Almirall, Belgium; Almirall, Canada; Almirall, Switzerland; Almirall, Denmark; Almirall, Ireland; Almirall, Iceland; Almirall, Italy; Almirall, Lithuania; Almirall, Norway; Almirall, Sweden; Almirall Hermal, Germany; CSL, Australia; Medison, Israel; SkinMedica, United States
  • Vaniqa 11,5%
    Almirall, Austria; Almirall, Greece
  • Vaniqa 11.5%
    Almirall, France


BANBritish Approved Name
DCFDénomination Commune Française
IUPACInternational Union of Pure and Applied Chemistry
ISInofficial Synonym
OSOfficial Synonym
Rec.INNRecommended 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.