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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 Categories

Antidiarrheal agent: Intestinal antiinfective

Antibacterial: Sulfonamide

Chemical Name

Benzoic acid, 2-[[[4-[(2-tiazolylamino)sulfonyl]phenyl]amino]carbonyl]-

Foreign Names

  • Phthalylsulfathiazolum (Latin)
  • Phthalylsulfathiazol (German)
  • Phtalylsulfathiazol (French)
  • Ftalilsulfatiazol (Spanish)

Generic Names

  • Ftalilsolfatiazolo (OS: DCIT)
  • Phthalylsulfathiazol (OS: DCF)
  • Phthalylsulfathiazole (OS: BAN)
  • Phthalazolum (IS)
  • Phthalylsulphathiazole (IS)
  • Sulfaphthalylthiazole (IS)
  • Sulfathiazolum phtalylatum (IS)
  • Sulphazol (IS)
  • Phtalylsulfathiazol (PH: Ph. Eur. 8)
  • Phthalylsulfathiazol (PH: Ph. Eur. 8)
  • Phthalylsulfathiazole (PH: BP 2016, Ph. Eur. 8, USP 24)
  • Phthalylsulfathiazolum (PH: Ph. Eur. 8, Ph. Int. 2)

Brand Names

  • Diarrocalmol (Phthalylsulfathiazole and Charcoal)
    Benitol, Argentina
  • Enteran (Phthalylsulfathiazole and Kaolin, + Neomycin, + Tannic acid (veterinary use))
    Gräub, Switzerland
  • Esancol (Phthalylsulfathiazole and Nifuroxazide)
    Farmacéutica Esan, Chile
  • Ftalasol
    Biosintez, Georgia
  • Imecol (Phthalylsulfathiazole and Nifuroxazide (pediatric))
    Laboratorios Andromaco, Chile
  • Liracol (Phthalylsulfathiazole and Nifuroxazide)
    Productos Farmaceuticos Medipharm, Chile
  • Neo Enterofarma (Phthalylsulfathiazole and Paromomycin, + Dihydrostreptomycin (veterinary use))
    Ceva, Italy
  • Opodiarrhée (veterinary use)
    Omega Pharma France vet., France
  • Phthalazol-Darnitsa
    Darnitsa, Georgia
  • Strisul (Phthalylsulfathiazole and Streptomycin (veterinary use))
    Cross Vetpharm Group, Ireland
  • Testisan (Phthalylsulfathiazole and Nifuroxazide)
    Mintlab Co., Chile


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.