Introduction: Pain is also old as evolution of life. All the definition of pain seems to be incomplete it cannot be defined completely. It is subjective sensation which varies individual. To make whole world pain free, medical research is continuing. Objectives: To evaluate duration of analgesia, analgesic efficacy, and safety profile of two groups of drugs-epidural butorphanol with bupivacaine and epidural tramadol with bupivacaine. Materials and Methods: A prospective, randomized controlled, double-blinded study was undertaken in 100 patients scheduled for major abdominal surgeries. Group B received epidural bupronorphine .3 mg + bupivacaine 0.125% first dose and subsequent doses, butorphanol 1 mg + bupivacaine 0.125% (total volume 10 ml). Group T received epidural tramadol 2 mg/kg + bupivacaine 0.125% first dose and subsequent doses, tramadol 1 mg/kg + bupivacaine 0.125% (total volume 10 ml). Results: Visual analog scale better with bupronorphine group than tramadol (0.12 ± 0.332 and 0.84 ± 0.746 for Group B and Group T) at 30 min after first dose. Onset of action (8.44 ± 1.158 min in Group B and 12.80 ± 1.354 min in Group T) faster with butorphanol but duration of analgesia longer with tramadol (5.92 ± 0.76 h in Group B vs. 7.68 ± 0.76 h in Group T). Sedation was seen in patients with butorphanol group. Nausea and vomiting more frequent with tramadol group. Conclusions: Epidural tramadol with antiemetic is better than buprenorphine and pentazocine for its longer duration in ambulatory surgery, elderly patients, obese patients, and suitable high-risk patients.

Introduction: Pain is also old as evolution of life. All the definition of pain seems to be incomplete it cannot be defined completely. It is subjective sensation which varies individual. To make whole world pain free, medical research is continuing. Objectives: To evaluate duration of analgesia, analgesic efficacy, and safety profile of two groups of drugs-epidural butorphanol with bupivacaine and epidural tramadol with bupivacaine. Materials and Methods: A prospective, randomized controlled, double-blinded study was undertaken in 100 patients scheduled for major abdominal surgeries. Group B received epidural bupronorphine .3 mg + bupivacaine 0.125% first dose and subsequent doses, butorphanol 1 mg + bupivacaine 0.125% (total volume 10 ml). Group T received epidural tramadol 2 mg/kg + bupivacaine 0.125% first dose and subsequent doses, tramadol 1 mg/kg + bupivacaine 0.125% (total volume 10 ml). Results: Visual analog scale better with bupronorphine group than tramadol (0.12 ± 0.332 and 0.84 ± 0.746 for Group B and Group T) at 30 min after first dose. Onset of action (8.44 ± 1.158 min in Group B and 12.80 ± 1.354 min in Group T) faster with butorphanol but duration of analgesia longer with tramadol (5.92 ± 0.76 h in Group B vs. 7.68 ± 0.76 h in Group T). Sedation was seen in patients with butorphanol group. Nausea and vomiting more frequent with tramadol group. Conclusions: Epidural tramadol with antiemetic is better than buprenorphine and pentazocine for its longer duration in ambulatory surgery, elderly patients, obese patients, and suitable high-risk patients.