Dosing iframe Paediatric Dose Calculator Weight (kg) Select Drug Paracetamol 120mg/5mL (15mg/kg) Paracetamol 250mg/5mL (15mg/kg) Ibuprofen 100mg/5mL (5-10mg/kg) Amoxicillin 125mg/5mL (15-30mg/kg) Amoxicillin 250mg/5mL (15-30mg/kg) Cefaclor 125mg/5mL (10mg/kg) Cefalexin 125mg/5mL (12.5-25mg/kg) Cefalexin 250mg/5mL (12.5-25 mg/kg) Coamoxiclav 125-31.25mg/5mL (15mg/kg) Coamoxiclav 250-62.5mg/5mL (15mg/kg) Cotrimoxazole 240mg/5mL (24mg/kg) Erythromycin 200mg/5mL (10-12.5mg/kg) Erythromycin 400mg/5mL (10-12.5mg/kg) Flucloxacillin 125mg/5mL (12.5mg/kg) Flucloxacillin 250mg/5mL (12.5mg/kg) Phenoxymethylpenicillin 125mg/5mL (6.25-12.5mg/kg) Phenoxymethylpenicillin 250mg/5mL (6.25-12.5mg/kg) Roxithromycin 50mg tablets (weight based) Lactulose (0.5mL/kg) Loratadine 1mg/1mL (age/weight based) Macrogol 13.12g/sachet (0.5-1.5g/kg) Prednisolone 5mg/1mL (1-2mg/kg) Ferrous sulphate 30mg/1mL (0.5-1mg/kg) Dose in millilitres Dose in milligrams Calculator written by Dr Jeremy Steinberg, GP. Contact for suggestions