Infant Medication Dosage Calculator
Calculate safe paracetamol and ibuprofen doses for infants by weight.
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How to Use the Infant Medication Dosage Calculator
Calculate safe paracetamol and ibuprofen doses for infants by weight.
Add the details requested in the form. Use the most recent measurements, dates, or figures you have.
Read the result together with the notes below it. Estimates are most useful when you compare them with your own context.
Save the result, try a related tool, or speak with a doctor, lactation consultant, childcare provider, or financial adviser when needed.
Singapore note: this tool supports planning only. For urgent symptoms, call 995 or go to the nearest children's emergency department.
Safe Medication Use in Infants
| Medication | Minimum Age | Dose | Max Frequency |
|---|---|---|---|
| Paracetamol | 3 months+ | 15 mg/kg | Every 4–6h, max 5 doses/day |
| Ibuprofen | 6 months+ | 10 mg/kg | Every 6–8h, max 3 doses/day |
| Aspirin | Not for under 16s | - | Never - Risk of Reye's syndrome |
See our Temperature Tracker to monitor fever, and the Baby Health Hub →
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