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-dimethyl-2-phenyl-

Foreign Names

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

Generic Names

  • Fenazone (OS: DCIT)
  • Phenazone (OS: BAN)
  • Phénazone (OS: DCF)
  • Anodynin (IS)
  • Antipirina (IS)
  • Antipyrine (IS)
  • Azophen (IS)
  • Dimethyloxyquinizine (IS)
  • Methozin (IS)
  • Oxydimethylquinizine (IS)
  • Parodyne (IS)
  • Phenyldimethylpyrazolone (IS)
  • Phenylon (IS)
  • Sedatine (IS)
  • Antipyrine (PH: JP XV, USP 34)
  • Phenazon (PH: Ph. Eur. 7)
  • Phenazone (PH: BP 2011, Ph. Eur. 7)
  • Phénazone (PH: Ph. Eur. 7)
  • Phenazonum (PH: Ph. Eur. 7, Ph. Int. 2)

Brand Names

  • Anaesthetic Ear Drop (Phenazone and Tetracaine)
    Vitamed, Israel
  • Antipirina Efedrina Lafedar (Phenazone and Ephedrine)
    Lafedar, Argentina
  • Antotalgin
    Farmina, Poland
  • Auralgan (Phenazone and Benzocaine)
    Paladin, Canada; Wyeth, Oman; Wyeth, Philippines; Wyeth Consumer Healthcare, New Zealand
  • Auripax (Phenazone and Lidocaine)
    Opalia, Tunisia
  • Aurone
    Aspen Pharmacare Consumer, South Africa
  • Bideon Free (Phenazone and Ephedrine)
    Fecofar, Argentina
  • Clarisoft (Phenazone and Ephedrine)
    Vannier, Argentina
  • Coffo-Selt (Phenazone and Caffeine)
    Aponova, Austria
  • Coliria (Phenazone and Ephedrine)
    Gezzi, Argentina
  • Dropleks (Phenazone and Lidocaine)
    Rompharm, Georgia
  • Earcalm (Phenazone and Benzocaine)
    Riyadh Pharma, Oman
  • Eu-Med
    Strathmann, Germany
  • Fanalgin (Phenazone and Caffeine)
    Weifa, Norway
  • Fenazon-Koffein (Phenazone and Caffeine)
    Nycomed, Norway
  • Gotalgic (Phenazone and Lidocaine)
    Concordia, Mexico
  • Koffazon N (Phenazone and Caffeine)
    Recip, Sweden
  • Koffein-fenazon DAK (Phenazone and Caffeine)
    Nycomed, Denmark
  • Migräne-Kranit
    Krewel Meuselbach, Germany
  • Migrenin Ebisu Seiyaku
    Ebisu Seiyaku, Japan
  • Migrenin Maruishi
    Maruishi Pharmaceutical, Japan
  • Migrenin Mylan
    Mylan Seiyaku, Japan
  • Migrenin Nakakita
    Nakakita Yakuhin, Japan
  • Migrenin Yamazen Seiyaku
    Yamazen Seiyaku, Japan
  • Oricalm
    Pharmaghreb, Tunisia
  • Otalgan (Phenazone and Lidocaine)
    Vifor, Austria
  • Otalgan (Phenazone and Procaine)
    Südmedica, Germany; Vifor, Switzerland; Vifor-F, Italy
  • Otidin (Phenazone and Tetracaine)
    Teva, Israel
  • Otipax (Phenazone and Lidocaine)
    Biocodex, Bulgaria; Biocodex, Czech Republic; Biocodex, France; Biocodex, Georgia; Biocodex, Lithuania; Biocodex, Latvia; Biocodex, Malta; Biocodex, Romania; Biocodex, Russian Federation; Biocodex, Vietnam; Pharmaghreb, Tunisia; Zambon, Switzerland
  • Otirelax (Phenazone and Lidocaine)
    Rompharm, Russian Federation
  • Otocain (Phenazone and Benzocaine)
    Acromax Dominicana, Dominican Republic
  • Otocalm (Phenazone and Chlorobutanol)
    Pharco, Romania
  • Otocalmine (Phenazone and Lidocaine)
    Pharmacobel, Belgium
  • Otomax-G (Phenazone and Lidocain)
    Rompharm, Georgia
  • Otomidone (Phenazone and Procaine)
    SIT, Italy
  • Otopax (Phenazone and Procaine)
    Bruschettini, Italy
  • Tropex
    Rowa, Hong Kong; Rowa, Ireland; Rowa, Oman; Rowa, Singapore

International Drug Name Search


BANBritish Approved Name
DCFDénomination Commune Française
DCITDenominazione Comune Italiana
ISInofficial Synonym
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)

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.