Ondansetron and meperidine prevent postoperative shivering after general anesthesia.

Background: Postoperative shivering is one of the common problems following general anesthesia and may lead to multiple complications. The aim of this study was to examine the preventive effects of Ondansetron and Meperidine on postoperative shivering.

Methods: This randomized placebo-controlled double blind clinical trial included 90 patients scheduled for elective gynecologic operations, randomly divided to three groups.