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Isoniazid
Essential medicine status
Section:
6. Anti-infective medicines 6.2. Antibacterials 6.2.5. Antituberculosis medicines
ATC codes: J04AC01
EMLc
Indication
Tuberculosis ICD11 code: 1B4Z
INN
Isoniazid
Medicine type
Chemical agent
List type
Core (EML)
(EMLc)
Additional notes
WHO recommends and endorses the use of fixed-dose combinations and the development of appropriate new fixed-dose combinations, including modified dosage forms, non-refrigerated products and paediatric dosage forms of assured pharmaceutical quality.
Formulations
Oral > Solid > dispersible tablet: 100 mg (scored) (EMLc)
Oral > Solid > tablet: 100 mg ; 300 mg
EML status history
First added in 1977 (TRS 615)
Changed in 1979 (TRS 641)
Changed in 2007 (TRS 946)
Changed in 2007 (TRS 950)
Changed in 2019 (TRS 1021)
Changed in 2021 (TRS 1035)
Changed in 2023 (TRS 1049)
Changed in 2025 (TRS 1064)
Sex
All
Age
Also recommended for children
Therapeutic alternatives
The recommendation is for this specific medicine
Patent information
Patents have expired in most jurisdictions
Wikipedia
Isoniazid
DrugBank
Isoniazid
Summary of evidence and Expert Committee recommendations
Following the review of the age-appropriateness of formulations on the EMLc, the Expert Committee recommended: - to modify the formulation descriptions to better describe the available dosage forms.