Regulatory PathRegulatory requirements compared

Active substances

Isoniazid + Rifampicin

Open in the medicines table

SFDA Saudi Arabia — SFDA human drug list

Trade nameStrengthForm · routePackPublic priceTypeCompanyStatus
RIFINAH150,100 mg,mgCoated tablet · Oral use8 BlisterSAR 35.65Generic · PrescriptionSANOFI S.P.A.Valid
RIFINAH300,150 mg,mgCoated tablet · Oral use8 BlisterSAR 64.45Generic · PrescriptionSANOFI S.P.A.Valid
Indications — CHI Daman Drug Formulary

LATENT TUBERCULOSIS; PERITONITIS, PERITONEAL DIALYSIS-RELATED PERITONITIS; TUBERCULOSIS

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

ProductStrengthForm · routeApplicantStatusFirst approved
RIFAMATE150MG;300MGcapsule · oralSANOFI AVENTIS USDiscontinued11 Jul 1975
RIFAMPIN AND ISONIAZID150MG;300MGcapsule · oralHIKMA INTL PHARMSDiscontinued29 Jul 2005

Prices — United States and England

SourceProduct as listedPriceUnit / packDate
NHS Drug TariffRifampicin 150mg / Isoniazid 100mg tablets£19.0984 tablet1 Oct 2026
NHS Drug TariffRifampicin 300mg / Isoniazid 150mg tablets£25.2256 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.

WHO WHO Model List of Essential Medicines (2025)

  • 6.2.5. Antituberculosis medicines · core
    Tuberculosis
    Oral > Solid > dispersible tablet: 50 mg + 75 mg (EMLc) | Oral > Solid > tablet: 75 mg + 150 mg (EML); 150 mg + 300 mg (EML)

Components

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.