Objective: To assess the efficacy of Pethidine versus Tramadol in controlling shivering after spinal anaesthesia patients selected for lower limb surgery.
 Study Design: Quasi-experimental study
 Place and Duration Study: Department Anaesthesiology, Combined Military Hospital, Multan Pakistan, from Jun 2019 to Dec 2020.
 Methodology: Seventy-four individuals (aged: 18 65 years) t...