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. 2022 Mar 7;27(1):50–55. doi: 10.1093/pch/pxab096

Table 2.

Dosing of pain medications for acute vaso-occlusive episodes in children with SCD

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).