| 1 | Results: The rate of utilization was pethidine 47.08%; | |
| 2 | Objective To investigate the synergistic analgesic action of rotundine combined with subthreshold dose of dolantin. | |
| 3 | Conclusion Tramadol is better suited than pethidine for the treatment of postepidural anesthetic shivering in parturients. | |
| 4 | Results:In the volume of use, the most three are Durogesic patch, Morphine hydrochloride controlled-release tablets, and Pethidine hydrochloride injection. | |
| 5 | BACKGROUND: Limited evidence supports the efficacy of intraperitoneal meperidine or local anesthetic for postoperative analgesia. |