Ampicillin — paediatric dose
Weight-based dosing for Ampicillin in children. Category: Antibiotic.
| Dose | 25–50 mg/kg 6H (meningitis 50) |
|---|---|
| Per kg | 25–50 mg/kg |
| Maximum | 2000 mg |
| Route | IV |
| Frequency | 6H |
Clinical notes
Max 2 g/dose.
Common questions
What is the dose of Ampicillin in children?
25–50 mg/kg 6H (meningitis 50). That is 25–50 mg/kg per dose.
What is the maximum Ampicillin dose for a child?
The maximum single dose is 2000 mg. Weight-based calculation should never exceed this ceiling.
How is Ampicillin given?
Ampicillin is given by IV, 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.