Role of butorphanol and ondansetron premedication in reducing postoperative shivering after general and spinal anesthesia: A randomized comparative study from North India

Postoperative shivering (PAS) is a common problem following general and spinal anesthesia and may lead to multiple complications. This placebo-controlled, randomized study was performed to evaluate the efficacy of Ondansetron and butorphanol premedication reduces shivering after general and spinal anaesthesia