Table 2.
Medication | Dosing | Daily dose limit | Notes |
---|---|---|---|
Acetaminophen | 10 to 15 mg/kg/dose (maximum 650 mg to 1 g/dose) by mouth every 4–6 h | 75 mg/kg/day or 4 g/day (whichever is less) | Administer ‘round the clock’. Contraindicated in severe hepatic impairment. |
NSAID by mouth: Ibuprofen or naproxen | Ibuprofen: 10 mg/kg/dose (maximum 400 mg to 600 mg/dose) by mouth every 6–8 h Naproxen: 5 to 7 mg/kg/dose (maximum 250 mg to 500 mg/dose) by mouth every 8–12 h |
Ibuprofen: 40 mg/kg/day or 2400 mg/day Naproxen: 1 g/day |
Administer “round the clock”. Contraindicated with impaired renal function or GI bleeding. Choose oral or IV NSAID, not both. |
NSAID IV: Ketorolac | 0.5 mg/kg/dose IV every 6–8 h | <16 years: 15 mg/dose ≥16 years: 30 mg/dose |
Administer “round the clock”. Caution with impaired renal function or GI bleeding. Limit therapy to 48 h Choose oral or IV NSAID, not both. |
Fentanyl | 1 to 2 mcg/kg/dose intranasal (maximum 100 mcg/dose) | Use x 1 to 2 doses (maximum 100 mcg total) until alternative mode of analgesia is administered. Use fentanyl 50 mcg/mL for a maximum of 1 mL/nostril. |
Use for patients above 1 year of age. Divide dose between both nostrils to maximize absorption. |
Morphine by mouth | 0.2 to 0.5 mg/kg/dose by mouth every 4–6 h (maximum 15 mg/dose) | Start at lower end in opioid-naive patients | |
Morphine IV (intermittent dosing) | 0.1 mg/kg/dose IV (maximum 7.5 mg/dose) over 5 minutes, repeat up to every 3 h | May add 0.05 mg/kg (maximum 5 mg) hourly as needed | Consider lower doses in opioid-naive patients If pain is insufficiently controlled with intermittent morphine dosing, consider initiating a morphine infusion or patient-controlled analgesia (PCA). Consultation with paediatric hematology is recommended. If patient is intolerant or allergic to morphine, liaise with paediatric hematology for alternative analgesia options. |
GI Gastrointestinal; IV Intravenous; NSAID Non-steroidal anti-inflammatory drug.
Adapted from reference (15).