First-Line TB Tablets by Weight: Child Dispersible and Adult FDCs (WHO)
Gives first-line TB tablets by weight from WHO tables.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Weight in kg
- 10
- Phase
- Intensive phase (first 2 months)
- Regimen
- Standard (2HRZ(E)/4HR, or the 4-month 2HRZ(E)/2HR)
Result: 10 kg (band 8 to under 12 kg), intensive phase: 2 tablets of HRZ 50/75/150 mg dispersible once a day; add 2 tablets of ethambutol 100 mg dispersible if indicated.
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Weight in kg
- Phase
- Regimen (standard if blank)
- Age in years (for HPMZ)
How this is calculated
Citation
World Health Organization. Operational handbook on tuberculosis, Module 5: children and adolescents. 2022, Tables 5.3, 5.5, 5.7, 5.8; Consolidated operational handbook, Module 4: treatment and care. April 2025, Annex 4. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.