Dantrolene — paediatric dose

Weight-based dosing for Dantrolene in children. Category: Other.

Dose	2.5 mg/kg rapid IV, repeat every 5-10 min up to 10 mg/kg (malignant hyperthermia)
Per kg	2.5 mg/kg
Route	IV
Frequency	repeat

Clinical notes

Stop the trigger, cool actively, treat hyperkalaemia and acidosis.

2.5 mg/kg rapid IV, repeat every 5-10 min up to 10 mg/kg (malignant hyperthermia). That is 2.5 mg/kg per dose.

Dantrolene is given by IV, repeat.

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.