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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

Analgesic and antipyretic agent

Chemical Name

3H-Pyrazol-3-one, 1,2-dihydro-1,5-dimetyl-2-phenyl-

Foreign Names

  • Phenazonum (Latin)
  • Phenazon (German)
  • Phénazone (French)
  • Fenazona (Spanish)

Generic Names

  • Antipyrine (OS: JAN)
  • Fenazone (OS: DCIT)
  • Phenazone (OS: BAN)
  • Phénazone (OS: DCF)
  • Anodynin (IS)
  • Antipirina (IS)
  • Azophen (IS)
  • Dimethyloxyquinizine (IS)
  • Methozin (IS)
  • Oxydimethylquinizine (IS)
  • Parodyne (IS)
  • Phenyldimethylpyrazolone (IS)
  • Phenylon (IS)
  • Sedatine (IS)
  • Antipyrine (PH: JP XVI, USP 38)
  • Phenazon (PH: Ph. Eur. 8)
  • Phenazone (PH: BP 2016, Ph. Eur. 8)
  • Phénazone (PH: Ph. Eur. 8)
  • Phenazonum (PH: Ph. Eur. 8, Ph. Int. 2)

Brand Names

  • Anaesthetic Ear Drop (Phenazone and Tetracaine)
    Vitamed, Israel
  • Antipirina Efedrina Lafedar (Phenazone and Ephedrine)
    Lafedar, Argentina
  • Auralgan (Phenazone and Benzocaine)
    Deston Therapeutics, United States; Paladin, Canada; Wyeth, Oman; Wyeth Consumer Healthcare, New Zealand
  • Aurax (Phenazone and Benzocaine)
    Acella, United States
  • Auripax (Phenazone and Lidocaine)
    Opalia, Tunisia
  • Aurodex (Phenazone and Benzocaine)
    Major, United States
  • Aurone
    Aspen Pharmacare Consumer, South Africa
  • Bideon Free (Phenazone and Ephedrine)
    Fecofar, Argentina
  • Clarisoft (Phenazone and Ephedrine)
    Vannier S.A., Argentina
  • Coffo-Selt (Phenazone and Caffeine)
    Aponova Pharma, Austria
  • Coliria (Phenazone and Ephedrine)
    Gezzi, Argentina
  • Conta Flu (Phenazone and Chlorphenamine, + Pseudoephedrine)
    Eipico, Egypt
  • Dizene (Phenazone and Diminazene (veterinary use))
    Virbac, South Africa
  • Dropleks (Phenazone and Lidocaine)
    Rompharm, Georgia
  • Earcalm (Phenazone and Benzocaine)
    Riyadh Pharma, Oman
  • Ear-Gesic (Phenazone and Phenylephrine, + Benzocaine)
    Qualitest, United States
  • Eu-Med
    Strathmann, Germany
  • Fanalgin (Phenazone and Caffeine)
    Weifa, Norway
  • Fenazon-Koffein (Phenazone and Caffeine)
    Takeda, Norway
  • Finoten (Phenazone and Lidocaine)
    Vip Pharma, Estonia
  • Kalopsis (Phenazone and Ephedrine)
    Roux-Ocefa, Argentina
  • Koffazon N (Phenazone and Caffeine)
    Recip, Sweden
  • Koffein-fenazon DAK (Phenazone and Caffeine)
    Takeda Pharma, Denmark
  • Migräne-Kranit
    Krewel Meuselbach, Germany
  • Migrenin Hoei
    Mylan Seiyaku, Japan
  • Migrenin Kenei Seiyaku
    Kenei Sakai Seiyaku, Japan
  • Migrenin Maruishi
    Maruishi Pharmaceutical, Japan
  • Migrenin Nakakita
    Nakakita Yakuhin, Japan
  • Migrenin Nipro
    Nipro, Japan
  • Oricalm
    Pharmaghreb, Tunisia
  • Otalgan (Phenazone and Procaine)
    Novartis Consumer Health, Italy; Südmedica, Germany; Vifor Consumer Health, Switzerland
  • Otic Edge (Phenazone and Benzocaine, + Policosanol)
    River's Edge, United States
  • Otidin (Phenazone and Tetracaine)
    Teva, Israel
  • Otipax (Phenazone and Lidocaine)
    Biocodex, Bosnia & Herzegowina; Biocodex, Bulgaria; Biocodex, Czech Republic; Biocodex, France; Biocodex, Georgia; Biocodex, Hungary; Biocodex, Lebanon; Biocodex, Lithuania; Biocodex, Malta; Biocodex, Romania; Biocodex, Tunisia; Biocodex, Vietnam; Pharmaghreb, Tunisia; Zambon, Switzerland
  • Otirelax (Phenazone and Lidocaine)
    Rompharm, Bulgaria; Rompharm, Russian Federation
  • Otirilin (Phenazone and Lidocaine)
    Euroetika, Colombia
  • Otocalm (Phenazone and Chlorobutanol)
    Pharco, Egypt; Pharco, Romania
  • Otocerol
    Lafedar, Argentina
  • Otofix (Phenazone and Lidocaine)
    Sopharma, Bulgaria
  • Otomax-G (Phenazone and Lidocain)
    Rompharm, Georgia
  • Otopax (Phenazone and Procaine)
    Bruschettini, Italy
  • Otosept (Phenazone and Benzocaine)
    Amriya, Egypt
  • Otozin (Phenazone and Benzocaine, + Glycerol, + Zinc Acetate)
    Allegis Pharmaceuticals, United States
  • Spasmin Inf. (Phenazone and Drofenine)
    Pharco, Egypt
  • Spasmo Cibalgin (Phenazone and Drofenine)
    Novartis, Egypt
  • Tinarin (Phenazone and Benzocaine)
    Horizon, Egypt
  • Tropex
    Rowa, Hong Kong; Rowa, Oman; Rowa, Singapore
  • Tropex 5%
    Rowa, Malta
  • Veriben (Phenazone and Diminazene (veterinary use))
    Ceva AH, South Africa


BANBritish Approved Name
DCFDénomination Commune Française
DCITDenominazione Comune Italiana
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
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.