PediRounds

Rifampicin — paediatric dose

Weight-based dosing for Rifampicin in children. Category: Antibiotic.

Dose10 mg/kg (meningococcal prophylaxis 10 mg/kg 12H x2 days)
Per kg10 mg/kg
Maximum600 mg
RoutePO/IV
Frequency12-24H

Clinical notes

Orange secretions; potent enzyme inducer.

Common questions

What is the dose of Rifampicin in children?

10 mg/kg (meningococcal prophylaxis 10 mg/kg 12H x2 days). That is 10 mg/kg per dose.

What is the maximum Rifampicin dose for a child?

The maximum single dose is 600 mg. Weight-based calculation should never exceed this ceiling.

How is Rifampicin given?

Rifampicin is given by PO/IV, 12-24H.

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.