Cephalexin — paediatric dose

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

Common questions

12.5-25 mg/kg 6H. That is 12.5–25 mg/kg per dose.

The maximum single dose is 1000 mg. Weight-based calculation should never exceed this ceiling.

Cephalexin is given by PO, 6H.

Reviewed by Dr Santanu Ghosh — MBBS, MD Paediatrics (Army), IDPCCM (IAP, ICH Kolkata). Paediatrician and paediatric critical care specialist.

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.