Benzylpenicillin — paediatric dose
Weight-based dosing for Benzylpenicillin in children. Category: Antibiotic.
| Dose | 30–60 mg/kg (50,000–100,000 U/kg) 4–6H |
|---|---|
| Per kg | 30–60 mg/kg |
| Maximum | 2400 mg |
| Route | IV |
| Frequency | 4–6H |
Clinical notes
Meningococcaemia: give early.
Common questions
What is the dose of Benzylpenicillin in children?
30–60 mg/kg (50,000–100,000 U/kg) 4–6H. That is 30–60 mg/kg per dose.
What is the maximum Benzylpenicillin dose for a child?
The maximum single dose is 2400 mg. Weight-based calculation should never exceed this ceiling.
How is Benzylpenicillin given?
Benzylpenicillin is given by IV, 4–6H.
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.