Paediatric Doses Emergency Medications

This is a general guide for the "average" sized child. If doubt arises over the dosage e.g.. because of the child's size or an underlying medical condition, check the dosage in the eBNF.

Check if the dose has been quoted in mg. or ml.

Age 1-12mth 1yr 3yrs 5yrs 7yrs 9yrs 11yrs
Estimated Wt (Kg) - 10Kg 14Kg 18Kg 22Kg 26Kg 30Kg
20ml/Kg fluid bolus By wt 200ml 280ml 360ml 440ml 520ml 600ml
Paracetamol 15mg/Kg By wt 150mg 210mg 270mg 330mg 390mg 450mg
Paracetamol 30mg/Kg
(only single dose if none in previous 12 hrs)
By wt 300mg 420mg 540mg 660mg 780mg 900mg
Morphine IV (0.1mg/Kg) By wt 1.0mg 1.4mg 1.8mg 2.2mg 2.6mg 3mg
Diclofenac 1mg/Kg (PO/PR) By wt 10mg 14mg 18mg 22mg 26mg 30mg


Adrenaline   1:1000 IM 150mcg (0.15mL) IM 300mcg (0.3mL) IM
Chlorpheniramine IV/IM   2.5 - 5mg 5 - 10mg
Hydrocortisone IV/IM By wt 50mg 100mg


Diazepam PR (0.5mg/Kg approx) 2.5 5mg 5mg 10mg 10mg 10mg 10mg
Lorazepam 0.1mg/kg IV


Salbutamol Neb 2.5mg 2.5mg 5mg 5mg 5mg 5mg

Content by Dr ÍOS. Last review Dr ÍOS 27/11/22.