Drug Dosage Calculator
Patient Name    Date       Patient Weight (Kg)      
This calculator is a tool to assist the prescriber. It is the prescribers responsibility to ensure the appropriate dosage of a drug is prescribed.
Airway 
Muscle Relaxant Sedatives
Atracurium   0.5mg/kg Fentanyl    (Titrate 1-5 micrograms/kg)   2 micrograms/kg
Pancuronium   0.1mg/kg Ketamine   2mg/kg
Rocuronium   1mg/kg Midazolam  (Titrate 0.1-0.2mg/kg)   0.1mg/kg
Suxamethonium   2mg/kg (If < 10kg else 1mg/kg) Propofol  (Titrate 2-4mg/kg)   2mg/kg
Vecuronium   0.1mg/kg Thiopentone  (Titrate 2-4mg/kg)   2mg/kg
Respiratory 
Adrenaline Racemic Nebulized (Croup) Adrenaline 1:1000 Nebulized (Croup)
<1yr: 0.25ml, >1yr: 0.5ml, Dilute with 3ml 0.9% NaCl <1yr: 2.5ml, >1yr: 5ml, Use if Racemic not available
Adrenaline 1:1000 IM Anaphylaxis   (0.01ml/kg) Dose limit 0.5ml
Dexamethasone IM   Croup 0.6mg/kg Hydrocortisone IV Asthma   4mg/kg
Ipratropium Nebulized Magnesium Sulphate IV   50 mg/kg Dose limit 2g
1-5yr old: 125μg >5yrs old: 250μg Dilute 10% w/v (100mg/1ml with 0.9 Nacl & infuse over 20 mins.Beware hypotension).
Salbutamol Nebulized   0.15mg/kg/dose Dose limit 5mg
Circulation 
Adenosine IV  (Titrate 0.1-0.5mg/kg)   0.1mg/kg Atropine IV   0.02mg/kg
Large vein,rapid bolus & flush. ECG monitoring with defibrillator. Dose limit 12mg Min dose 0.1mg, max 0.6mg
Adrenaline 1:10000 IV / IO Resuscitation    0.1ml/kg 1:10,000Dose limit 10ml Amiodarone IV / IO Resuscitation    5mg/kgDose limit 300mg
Calcium Chloride 10% IV Resuscitation    0.1ml/kgDose limit 10ml NaHCO3 8.4% IV Resuscitation    1ml/kg
Central Neurological System 
Diazepam Rectal   0.5mg/kg Dose limit 10mg Lorazepam IV   0.1mg/kg Dose limit 4mg
Mannitol IV 20%   2.5ml/kg Midazolam Buccal   0.3mg/kg Dose limit 10mg  
Midazolam IV bolus    0.1mg/kg Morphine IV   bolus 50-100 micrograms/kg
Paraldehyde Rectal   0.4ml/kg Phenobarbitone IV   20mg/kgDose limit 800mg
(Dilute in equal volume of oil). Dose limit 10ml
Phenytoin IV   20mg/kgDose limit 1000mg 3% Saline IV   3ml/kg
Other Systems