Oral analgesic dosing guidelines for children

Children's Inpatient Management of Pain Service (ChIMPS)

Paediatrics at the Nuffield Department of Anaesthetists
'PANDA' Guidance for Prescribing Pain relief in Children
NB Doses based on weight should be used to avoid inadvertant under or overdose

Paracetamol

Route
Dose
Frequency
Max per 24 hours
Oral/PR

Weight up to 50kg

15mg/kg

4 times a day

(6 hourly)

Neonates: 60 mg/kg

Infants/children: 75 mg/kg

Greater than 50kg

1g

4g

IV

Neonates & infants up to 10 Kg

10 mg/kg

3 times a day

(8 hourly)

30 mg/kg

10 kg to 50 kg

15 mg/kg

4 times a day

(6 hourly)

60 mg/kg

Greater than 50 Kg

1g

4g

Notes: Prescribe regularly for persistent or postoperative pain. Review requirements at 5 days.

Ibuprofen

Route
Dose
Frequency
Max per 24 Hours
Oral

1-2 months

5mg/kg

4 times a day

(6 hourly)

 

15mg/kg

Review at 3 days

3 months up to 40 kg

10 mg/kg

40mg/kg

Greater than 40 kg

400 mg

1.6 g

Notes: Prescribe regularly for persistent or postoperative pain. Review requirements at 5 days (3 days if 1-2months).

Caution with renal impairment, asthma and low platelets (oncology patients), cardiovascular disease.

If possible administer with food.

Only prescribe one NSAID at a time.

Diclofenac

Route
Dose
Frequency
Max per 24 hours
Oral/PR

6 months up to 50 kg

1 mg/kg

Max 3 times a day

(8 hourly)

(PR route: 12.5, 25 and 50 mg suppositories available. Prescribe one of these suppository doses as close to 1 mg/kg with a dose interval of 8 -12 hourly to give up to a total of 3 mg/kg a day)

3mg/kg

Greater than 50 kg

50 mg

150mg

Notes: Oral preparation only available as 50mg tablets. Do not cut suppositories.

Prescribe regularly for persistent or postoperative pain. Review requirements at 5 days.

Caution with renal impairment, asthma and low platelets (oncology patients), cardiovascular disease.

If possible administer with food. Only prescribe one NSAID at a time.

Oral Liquid Morphine (Oramorph)

Indication
Dose
Frequency

Mild to moderate pain

(Take home dose)

100 micrograms/kg

4 times a day as required

(6 hourly)

Moderate to severe pain

(Inpatient dose)

Neonate up to 3 months

100 micrograms/kg

3 to 4 hourly as required

3 months up to 1 year

200 micrograms/kg

Greater than 1 year

300 micrograms/kg

Notes: Opioids are contraindicated in children with OSA (Obstructive sleep apnoea), sleep apnoea or breathing problems.

Antiemetics

Drug
Dose (route)
Frequency
Ondansetron

100 to 200 micrograms/kg (IV/PO)

Up to 4mg maximum per dose

8 hourly as required
Cyclizine

1mg/kg (IV/PO)

Up to 50mg maximum per dose

8 hourly as required
Dexamethasone

150 micrograms/kg (IV)

Up to 8mg maximum per dose

Single dose only