Regulatory PathRegulatory requirements compared

Active substance

Rifaximin

Open in the medicines table

SFDA Saudi Arabia — SFDA human drug list

Trade nameStrengthForm · routePackPublic priceTypeCompanyStatus
XIFAXAN550 mgFilm-coated tablet · Oral use56 BlisterSAR 1106.60NCE · PrescriptionAlfasigma S.p.AValid
XIFAXAN 200MG F.C.TABLET200 mgFilm-coated tablet · Oral use12 BlisterSAR 83.90NCE · PrescriptionAlfasigma S.p.AValid
Indications — CHI Daman Drug Formulary

IRRITABLE BOWEL SYNDROME

US FDA United States — FDA approvals (Drugs@FDA)

ProductStrengthForm · routeApplicantStatusFirst approved
XIFAXAN200MG; 550MGtablet · oralSALIX PHARMSPrescription25 May 2004
XIFAXAN550MGtablet · oralSALIX PHARMSPrescription24 Mar 2010
RIFAXIMIN550MGtablet · oralACTAVIS LABS FL INCPrescription19 Mar 2026

Canada Canada — marketed products (Health Canada)

BrandDINStrengthForm · routeCompany
ZAXINE02410702550 MGTABLET · ORALSALIX PHARMACEUTICALS INC

Prices — United States and England

SourceProduct as listedPriceUnit / packDate
NHS Drug TariffRifaximin 200mg tablets£15.159 tablet1 Oct 2026
NHS Drug TariffRifaximin 550mg tablets£259.2356 tablet1 Oct 2026

NADAC: average price US retail pharmacies pay to buy the medicine. NHS Drug Tariff Part VIIIA: basic price reimbursed to pharmacies in England and Wales.

Safety signals and safety-related labeling changes

All safety entries for rifaximin →

Values as published by each source: SFDA human drug list (4-2026, as published by the Council of Health Insurance; indications from the CHI Daman Drug Formulary), Drugs@FDA, EMA medicines data, Health Canada Drug Product Database (Open Government Licence – Canada), CMS NADAC, NHS Drug Tariff Part VIIIA (NHSBSA Copyright, Open Government Licence v3.0), WHO Model List of Essential Medicines (CC BY 3.0 IGO; regrouped by active substance, not created by WHO), EMA PRAC, US FDA safety-related labeling changes and MHRA Drug Safety Update (Open Government Licence v3.0). Sources and reuse. Not a substitute for the official registers or the product information.