Paediatric Dosage Calculator
⚠ Always confirm with prescriber. Weight-based dosing guidelines only.
Common Drug Reference
Typical dose: 25–50 mg/kg/day
Child Weight (kg)
Dose Rate (mg/kg)
Paediatric drug dosing is weight-based (mg/kg). Children's absorption, distribution, and metabolism differ significantly from adults. Always confirm with a prescriber.
- 1Dose (mg) = Weight (kg) × Dose rate (mg/kg)
- 2Maximum doses apply regardless of weight
- 3Frequency based on drug half-life
- 4Age and organ function also affect safe dosing
Paracetamol 15mg/kg, child 22 kg=Dose = 330mg; every 4–6h; max 4 doses/day
| Drug | Dose (mg/kg) | Frequency |
|---|---|---|
| Paracetamol | 10–15 per dose | Every 4–6h |
| Ibuprofen | 5–10 per dose | Every 6–8h |
| Amoxicillin | 25–50/day total | ÷ 3 doses |
| Cetirizine | 0.25/day | Once daily |
References
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