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Medicines containing active substance Isoniazid

This site has the patient leaflet or the SPC of 10 medicines with the active substance isoniazid.

Medicines containing only isoniazid

MedicineLegal category
Isoniazid 100 mg tablets SPC Prescription only (POM)
Isoniazid 50 mg tablets SPC Prescription only (POM)
Isoniazid tablets BP 100 mg SPC Prescription only (POM)
Isoniazid tablets BP 50 mg SPC Prescription only (POM)
Isoniazid 50 mg / 2 ml solution for injection SPC no longer supplied –

Combinations with isoniazid

MedicineLegal category
Isoniazid + Pyrazinamide + Rifampicin
Rifater 50, 120, 300 mg tablets Prescription only (POM)
Rifater tablets SPC Prescription only (POM)
Isoniazid + Rifampicin
Rifinah 150/100 mg tablets SPC Prescription only (POM)
Rifinah 300/150 mg coated tablets SPC Prescription only (POM)

Medicines with 4 or more active substances

MedicineOther active substancesLegal category
Voractiv film-coated tablets, Rimstar film-coated tablets SPC Ethambutol hydrochloride, Pyrazinamide, Rifampicin Prescription only (POM)

ATC groups

The ATC classification sorts medicines by the organ they act on and by their effect – the group pages list the other medicines of the group too.

Sources: the MHRA product information and the European Medicines Agency (patient leaflets and SPCs), the NHS Dictionary of Medicines and Devices (dm+d), NHS Business Services Authority (substances, ATC codes and legal categories). Contains public sector information licensed under the Open Government Licence v3.0. Ask your doctor or pharmacist which medicine is right for you.