Skip to main content

Rifaximin (International)

Note: In some countries, this medicine may only be approved for veterinary use.

In the US, Rifaximin (rifaximin systemic) is a member of the drug class miscellaneous antibiotics and is used to treat Crohn's Disease, Diarrhea, Hepatic Encephalopathy, Irritable Bowel Syndrome with Diarrhea and Traveler's Diarrhea.

US matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category


Chemical Name

(2S,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-5,6,21,23,25-Pentahydroxy-27-metoxy-2,4,11,16,20,22,24,26-octametyl-2,7-(epoxypentadeca[1,11,13]trienimino)benzofuro[4,5-e]pyrido[1,2-a]benzimidazole-1,15(2H)-dione, 25-acetate (WHO)

Foreign Names

  • Rifaximinum (Latin)
  • Rifaximin (German)
  • Rifaximine (French)
  • Rifaximina (Spanish)

Generic Names

  • Rifaximin (OS: USAN, BAN, JAN)
  • Rifaximina (OS: DCIT)
  • L 105 (IS)
  • Rifaxidine (IS)
  • Rifaximin (PH: BP 2018, Ph. Eur. 9)
  • Rifaximine (PH: Ph. Eur. 9)
  • Rifaximinum (PH: Ph. Eur. 9)

Brand Names

  • Alfa Normix
    Alfa Wassermann, Georgia; Alfa Wassermann, Russian Federation
  • Bang Yi
    Shenyang First Pharmaceutical Factory, China
  • Cefaximin-L [+ Cefacetrile] [veterinary use]
    Fatro, Italy; Fatro Industria Farmaceutica Veterinaria, Estonia
  • Colidimin 200 mg
    Gebro Pharma, Austria
  • Colidimin 400 mg
    Gebro Pharma, Austria
  • Colidur
    Deva Holding, Lebanon; Drogsan, Turkey
  • Coloximina
    Eurofarma, Argentina
  • Coloximina 400
    Eurofarma, Argentina
  • Colrifax
    Benedetti, Italy
  • Diamixin
    Errekappa Euroterapici, Italy
  • Diarix
    Galpharma, Tunisia
  • Enteronor
    Gramón Bagó, Uruguay
  • Farinil
    Roemmers, Uruguay
  • Fatrox [veterinary use]
    Fatro, Belgium; Vetoquinol, France
  • Fatroximin [veterinary use]
    Fatro, Israel; Fatro, Italy; Fatro, Poland; Fatro Industria Farmaceutica Veterinaria, Estonia
  • Fatroximin 0,294g/100g [veterinary use]
    Fatro, Poland
  • Fatroximin D.C. 100mg/5ml dla bydta For cattle [veterinary use]
    Fatro, Poland
  • Fatroximin DC 100 mg für Rinder For cattle [veterinary use]
    Fatro, Austria
  • Fatroximin Dry Cow [veterinary use]
    Fatro Industria Farmaceutica Veterinaria, Estonia
  • Flonorm
    Alfa Wassermann, Mexico; Zambon, Colombia
  • Fu Jie Ting
    Hainan Hailing Pharmacuetical, China
  • Fu Te
    Tong Lian Pharmaceutical Co. Ltd., China
  • Gastrobiotic
    Andalous, Egypt
  • Helico-Kit [+ Rabeprazole, + Clarithromycin, + Bismuth Tripotassium Dicitrate]
    Celogen, Georgia
  • Hepaximin
    Aristopharma Ltd, Myanmar
  • Hepazec
    Ilko, Turkey
  • Ifaxim
    Procaps, Colombia; Unimed, Peru
  • Ji Li Qing
    Kai Yuan Pharmaceutical, China
  • Jinxili
    Xincat Pharmaceutical, China
  • Lai Li Qing
    Lai Mei Pharm, China
  • Larifax
    Benedetti, Italy
  • Lisibacter
    Nova Argentia, Argentina
  • Lormyx
    Angelini Pharma, Greece
  • Lormyx 200mg
    Alfa Wassermann, Israel
  • Mai E Ke Si
    Mingxin Pharmaceutical, China
  • Normix
    Alfa, Turkey; Alfa Wassermann, Bulgaria; Alfa Wassermann, Lebanon; Alfa Wassermann, Philippines; Alfa Wassermann, Romania; Alfa Wassermann, Tunisia; Alfasigma, Italy; Alfasigma, Slovakia; Farmakonsuma, Peru; Hanall Biopharma, South Korea; Laboratorios Andromaco, Chile
  • Normix 200 mg
    Alfa Wassermann, Hungary
  • Normix 400 mg/20 ml
    Alfa Wassermann, Hungary
  • Ou Ke Shuang
    Bai Li Pharmaceutical, China
  • Qian Er Fen
    Yangzhou No. 3 Pharmaceutical, China
  • Redactiv
    Alfasigma, Italy
  • Refero
    Alfasigma, Slovakia
  • Refidex
    Ilko, Turkey
  • Ribolac
    Laboratorios Recalcine, Chile
  • Rifabac
    Garmisch, Colombia
  • Rifacol
    Formenti, Italy; Vianex, Greece
  • Rifadom
    Dominguez, Argentina
  • Rifadom 550
    Dominguez, Argentina
  • Rifagut
    Opsonin, Bangladesh
  • Rifamax
    Incepta, Bangladesh
  • Rifax
    Abbott, Colombia
  • Rifaximina Alter
    Alter, Italy
  • Rifaximina Brunifarma
    Brunifarma, Italy
  • Rifaximina D&G
    D & G, Italy
  • Rifaximina Doc Generici
    DOC Generici, Italy
  • Rifaximina Germed
    Germed Pharma, Italy
  • Rifaximina Krugher
    Krugher Pharma, Italy
  • Rifaximina Sandoz
    Sandoz, Italy
  • Rifaximina So.Se.Pharm
    So.Se. Pharm, Italy
  • Rifaximin-Humanity
    Celogen, Georgia
  • Rifaxol
    Celsius, Uruguay
  • Rifaxtril
    Ariston, Argentina
  • Rifixine
    Taha Pharma, Tunisia
  • Rixmin
    Cipla, India
  • Rociamin 200
    Bernabo, Argentina
  • Rociamin 400
    Bernabo, Argentina
  • Sa Fen
    Junan Bio Pharmaceutical, China
  • Sanecol
    So.Se. Pharm, Italy
  • Spiraxin
    Bama-Geve, Spain; LENIS, Slovenia
  • Targaxan
    Norgine, Belgium; Norgine, Finland; Norgine, United Kingdom; Norgine, Ireland
  • Targaxan 550mg
    Norgine, Luxembourg
  • Tixtar
    Alfa Wassermann, Greece; Alfasigma France, France
  • Tixteller
    Alfa Wassermann, Greece; Alfa Wassermann, Poland; Alfa Wassermann, Romania; Alfasigma, Belgium; Alfasigma, Sweden; Alfasigma S.p.A, Netherlands
  • Trencedia
    Marcyrl, Egypt
  • Xi Jie
    Sanye Pharm, China
  • Xifaxan
    Alfa Wassermann, Hong Kong; Alfa Wassermann, Poland; Alfa Wassermann, Portugal; Apta Medica Internacional, Slovenia; CARSL, New Zealand; Euro Registratie, Netherlands; Medcor Pharmaceuticals, Netherlands; Norgine, Denmark; Norgine, Netherlands; Norgine, Norway; Norgine, Sweden; Originalis, Netherlands; Salix, United States
  • Xifaxan 200mg
    Norgine, Australia
  • Xifaxan 550mg
    Alfasigma, Switzerland; Norgine, Australia; Norgine, Germany
  • Xifaxanta
    Norgine, United Kingdom
  • Xifushen
    Alfa Wassermann, China
  • Zaxine
    Salix Pharmaceuticals, Canada
  • Zi Jun
    Southwest Pharmaceutical, China


BANBritish Approved Name
DCITDenominazione Comune Italiana
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name
WHOWorld 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.