Cotrimoxazole Prophylaxis in HIV: Who Gets It and the Dose by Weight (WHO)
Gives WHO cotrimoxazole prophylaxis for HIV: who gets it and the once-daily dose by weight.
Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Who it is for
- Child or adolescent living with HIV
- Weight in kg
- 12
Result: Cotrimoxazole for 12 kg (10 to under 15 kg): 5 mL of suspension, 2 dispersible 100/20 mg tablets, or half a scored 400/80 mg tablet, once a day.
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Who it is for
- Weight in kg (infants and children)
- High malaria or bacterial-infection setting (adults)
- Active TB (adults)
- WHO stage 3 or 4 (adults)
- CD4 count, cells/mm³ (adults)
How this is calculated
Citation
World Health Organization. Consolidated guidelines on HIV prevention, testing, treatment, service delivery and monitoring. 2021, section 6.3; WHO optimal antiretroviral dosing guidance, 6 May 2026, Table 6. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.