Oral solution
5 mg/5 ml
50 mg/5 ml
Concentrated oral solution
20 mg/ml (NR)
Injection
10 mg/ml
Dosage Forms
Uses
Dose and Duration
SC injection is not appropriate for oedematous patients
Acute pain
By SC or IM injection:
Adult and child over 12 years: 10 mg every 4 hours if necessary (15 mg for heavier patients)
Child 6–12 years: 5–10 mg every 4 hours if required
Child 1–5 years: 2.5–5 mg every 4 hours if required
Infant 1 month–12 months: 200 micrograms /kg every 4 hours if required
Infant up to 1 month: 150 micrograms/kg every 4hours if required
Chronic pain
By mouth or by SC or IM injection:
Adult: 5–20 mg regularly every 4 hours
Child: 1 mg/kg per day orally every 4 hours
Titrate the dose according to clinical response
Adjust the dose (but not the frequency) to achieve satisfactory pain control
Contraindications
Side Effects
Interactions
Increased sedation and respiratory depression can occur with: