Pain IV 1 mg as single dose, repeated every 3-4 hr. Effective dose range: 0.5-2 mg repeated 3-4 hr depending on severity of pain. IM 2 mg as single dose, repeated every 3-4 hr. Effective dose range: 1-4 mg repeated every 3-4 hr. Elderly, hepatic or renal impairment ½ of adult dose (0.5 mg IV & 1 mg IM). Pre-op/pre-anesth/post-op medication 2 mg IM 60-90 min before surgery. Balanced anesth 2 mg IV shortly before induction &/or 0.5-1 mg IV in increments during anesth. Increments up to 0.06 mg/kg (4 mg/70 kg) depending on previous sedative, analgesic & hypnotic drugs administration Full term or w/o fetal distress in early labor1-2 mg IV or IM, & may be repeated after 4 hr.
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