Aciclovir — paediatric dose

Weight-based dosing for Aciclovir in children. Category: Antifungal/Antiviral.

Dose	HSV encephalitis 20 mg/kg 8H; other 10 mg/kg 8H
Per kg	10–20 mg/kg
Route	IV
Frequency	8H

Clinical notes

Adequate hydration; renal dose adjust.

HSV encephalitis 20 mg/kg 8H; other 10 mg/kg 8H. That is 10–20 mg/kg per dose.

Aciclovir is given by IV, 8H.

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.