Co-trimoxazole — paediatric dose
Weight-based dosing for Co-trimoxazole in children. Category: Antibiotic.
| Dose | 4–5 mg/kg (trimethoprim component) 12H; PJP 5 mg/kg 6–8H |
|---|---|
| Per kg | 4–5 mg/kg |
| Route | IV/PO |
| Frequency | 12H |
Clinical notes
Dose by trimethoprim component.
Common questions
What is the dose of Co-trimoxazole in children?
4–5 mg/kg (trimethoprim component) 12H; PJP 5 mg/kg 6–8H. That is 4–5 mg/kg per dose.
How is Co-trimoxazole given?
Co-trimoxazole is given by IV/PO, 12H.
About this page
Compiled from standard paediatric references. Verify against a current formulary and your local protocol.
Spotted something wrong? Report an error on this page — corrections from clinicians are welcome and are reviewed before any change is published.
Last reviewed 2026-08-12.