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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

Antibacterial: Sulfonamide

Chemical Name

Benzenesulfonamide, 4-amino-N-(6-metoxy-3-pyridazinyl)-

Foreign Names

  • Sulfamethoxypyridazinum (Latin)
  • Sulfamethoxypyridazin (German)
  • Sulfaméthoxypyridazine (French)
  • Sulfametoxipiridazina (Spanish)

Generic Names

  • Sulfamethoxypyridazine (OS: BAN)
  • Sulfaméthoxypyridazine (OS: DCF)
  • Sulfametoxipiridazina (OS: DCIT)
  • FA 24 (IS)
  • Novosul (IS)
  • RP 7522 (IS)
  • Sulfa Spirig (IS)
  • Sulphamethoxypyridazine (IS)
  • Sulfamethoxypyridazin für Tiere (PH: Ph. Eur. 9)
  • Sulfamethoxypyridazine (PH: Ph. Int. 6)
  • Sulfamethoxypyridazine for veterinary use (PH: Ph. Eur. 9)
  • Sulfaméthoxypyridazine pour usage vétérinaire (PH: Ph. Eur. 9)
  • Sulfamethoxypyridazinum (PH: Ph. Int. 6)
  • Sulfamethoxypyridazinum ad usum veterinarium (PH: Ph. Eur. 9)
  • Sulfametoxypyridazine (PH: BP vet. 2018)
  • Sulfametoxypyridazine for Veterinary Use (PH: Ph. Eur. 9)

Brand Names

  • Aicol [+ Nitrofurantoin]
    Daw Jih, Taiwan
  • Amphoprim [+ Trimethoprim] [veterinary use]
    Virbac, New Zealand
  • Amphoprim Bolus [+ Trimethoprim] [veterinary use]
    Virbac, New Zealand
  • Avemix [+ Trimethoprim] [veterinary use]
    Vetoquinol, France
  • Cochilin [+ Nitrofurantoin]
    Hwang's, Taiwan
  • Coli Mix Plus [+ Trimethoprim] [veterinary use]
    Ceva AH, South Africa
  • Septotryl [+ Colistin] [veterinary use]
    Vetoquinol, France
  • Septotryl [+ Trimethoprim] [veterinary use]
    Vetoquinol, France
  • Septotryl Chats-Chiens nains [+ Trimethoprim] [veterinary use]
    Vetoquinol, France
  • Septotryl Chiens [+ Trimethoprim] [veterinary use]
    Vetoquinol, France
  • Tandozin [+ Sulfadimidine] [veterinary use]
    Gräub, Switzerland
  • Uropac [+ Nitrofurantoin, + Phenazopyridine]
    EMS, Brazil
  • Urosima [+ Tetracycline, + Nitrofurantoin]
    Sima, Paraguay
  • Vetkelfizina [veterinary use]
    Ceva, Italy
  • Chloridazine [+ Chlortetracycline] [veterinary use]
    Coophavet, France
  • Metasulfa [veterinary use]
    AFI, Italy


BANBritish Approved Name
DCFDénomination Commune Française
DCITDenominazione Comune Italiana
ISInofficial Synonym
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.