Recommended Dosage: By SC or IM injection: 25-100 mg repeated after 4 hours.
Child: IM: 0.5-1.5 mg/kg.
By slow IV injection: 25-50 mg, repeated after 4 hours.
Obstetric analgesia: By SC or IM injection, 50-100 mg, repeated 1-3 hours later if necessary; max. 400 mg in 24 hours.
Elderly and debilitated patients: Initial doses should not exceed 25 mg by injection as elderly and debilitated patients are likely to be particularly sensitive to the central depressant effects of the drug.
Children: Single dose of 0.5-2 mg/kg body weight intramuscularly. This dose may be repeated if clinically necessary but it should not be repeated more often than four hourly.
Route of Administration: By SC, IM or Slow IV Injection.