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Prifinium Bromide

Note: 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

Spasmolytic agent

Chemical Name

Pyrrolidinium, 3-(diphenylmetylene)-1,1-dietyl-2-metyl-, bromide

Foreign Names

  • Prifinii Bromidum (Latin)
  • Prifinium bromid (German)
  • Bromure de Prifinium (French)
  • Bromuro de prifinio (Spanish)

Generic Names

  • Prifinio bromuro (OS: DCIT)
  • Prifinium Bromide (OS: JAN)
  • PDB (IS)
  • Pyrodifenium bromide (IS)

Brand Names

  • Anespas
    Sanofi-Aventis, Mexico
  • Fridial
    Teriak, Tunisia
  • Fridial enfant [pediatric]
    Teriak, Tunisia
  • Prifinial [veterinary use]
    Vetoquinol, France
  • Prifinial Chats et Chiens nains [veterinary use]
    Vetoquinol, France
  • Prifinial für Hunde und Katzen [veterinary use]
    Vetoquinol Österreich, Austria
  • Prifinial N Für Hunde [veterinary use]
    Vetoquinol, Switzerland
  • Riabal
    Hikma, Lebanon; Hikma, Oman; IBI, Italy
  • Riabal [+ Paracetamol]
    Hexpharm Jaya, Indonesia
  • Riabal enfant
    Teriak, Tunisia


DCITDenominazione Comune Italiana
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
Rec.INNRecommended International Nonproprietary Name (World Health Organization)

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.