“…Intrathecal morphine is also associated with a significant incidence of side effects, including somnolence, severe pruritus, nausea, and vomiting. However, we were intrigued with the reports of the efficacy of high-dose meperidine in the subarachnoid space (1,2,9). However, we were intrigued with the reports of the efficacy of high-dose meperidine in the subarachnoid space (1,2,9).…”