Pain IV 1 mg repeated every 3-4 hr as necessary. Effective dosage range: 0.5-2 mg repeated every 3-4 hr depending on the severity of pain.
IM 2 mg in patients who will be able to remain recumbent. May be repeated every 3-4 hr in the event drowsiness or dizziness occurs.
Elderly, patient w/ hepatic or renal impairment ½ the recommended adult dose (0.5 mg IV or 1 mg IM) repeated depending on patient's response, but not <6 hr apart.
Pre-op, pre-anesth medication 2 mg IM, administered 60-90 min before surgery.
Balanced anesth 2 mg IV shortly before induction &/or 0.5-1 mg IV increments during anesth. The increment may be higher, up to 0.06 mg/kg (4 mg/70 kg), depending on previous sedative, analgesic & hypnotic drugs administered.
Labor Initially 1 or 2 mg IV or IM repeated after 4 hr in patients at full term or w/o signs of fetal distress in early labor.
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