• Joginder Pal Attri, Gagandeep Kaur Sandhu, Sudhir Khichy, Harsimrat Singh, Kulwinder Singh, and Radhe Sharan.
• Department of Anaesthesia, Government Medical College, Amritsar, Punjab, India.
• Anesth Essays Res. 2015 Jan 1;9(1):72-8.

BackgroundFlupirtine is a centrally-acting, nonopioid analgesic that interacts with N-methyl-D-aspartate receptors.AimThe present study was designed to compare analgesic efficacy and adverse effects of orally administered flupirtine and diclofenac sodium for postoperative pain relief.Settings And DesignIn a prospective, randomized double-blind study, 100 patients of American Society of Anesthesiologist grade I and II in the age group of 18-65 years of either sex undergoing elective abdominal surgeries were included after taking informed consent.Materials And MethodsThe present study started after 12 h of surgery and patients were randomly divided into two groups of 50 each. For postoperative analgesia, group A received flupirtine 100 mg orally and group B received diclofenac sodium 50 mg orally and study drugs were repeated every 6 hourly for 5 days postoperatively. Vital parameters and visual analogue scale (VAS) scores for pain were recorded at 0, 1, 2, 4, 6, 8, 12, 16 and 24 h, and adverse effects were noted for 48 h of the study period.Statistical AnalysisData were compiled and analyzed statistically using Chi-square test and two-tailed Student's t-test.ResultsVisual analogue scores decreased more rapidly in diclofenac group during 1(st) h, hence there was rapid onset of analgesia in this group as compared to flupirtine group but later on VAS was comparable in both groups at all measured intervals (P > 0.05). Patients in diclofenac group experienced significantly more heartburn (P = 0.00), impaired taste sensation (P < 0.001) and dizziness (P = 0.004) as compared to flupirtine group.ConclusionOral flupirtine and diclofenac sodium were equally effective for postoperative analgesia. There was faster onset of analgesia with diclofenac sodium, but flupirtine was better tolerated by the patients because of its minimal adverse effects.

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