Can This Child Take the 4-Month TB Regimen? (WHO, Non-Severe TB)
Says whether a child can take the WHO 4-month TB regimen.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Age in years
- 4
- Weight in kg
- 15
- What is available
- Chest X-ray and bacteriology available
- Chest X-ray pattern
- One lobe, no cavities, no miliary pattern
- Xpert or smear result
- Xpert low
- Isolated peripheral lymph node TB
- No
- Any danger or high-priority sign
- No
- Severe acute pneumonia
- No
- TB treated in the past 2 years
- No
- Drug-resistant TB suspected or known
- No
The other 2 values
- Living with HIV
- No
- High HIV or isoniazid-resistance setting
- No
Result: 4 months (2HRZ/2HR): a chest X-ray consistent with non-severe TB, Xpert low, and mild symptoms (Box 5.3 A).
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Age in years (for infants, 3 months = 0.25)
- Weight in kg
- What is available
- Chest X-ray pattern
- Xpert or smear result
- Isolated peripheral lymph node TB
- Any danger or high-priority sign, asymmetric persistent wheeze, other extrapulmonary TB, SAM, respiratory distress, fever over 39 °C, severe pallor, restlessness, irritability or lethargy
- Severe acute pneumonia
- TB treated in the past 2 years
- Drug-resistant TB suspected or known
The other 2 fields
- Living with HIV
- High HIV or isoniazid-resistance setting
How this is calculated
Citation
WHO. Operational handbook on tuberculosis. Module 5: management of tuberculosis in children and adolescents. Geneva: WHO; 2022. Boxes 5.2 and 5.3 and sections 5.2.4-5.2.5 (pp. 90-94). Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.