IRCT20140503017537N7 IRCT 2020-04-25 Kermanshah University of Medical Sciences Comparison of the efficacy of Sumatriptan, Pregabalin and Gabapentin on postoperative pain in rhinoplasty Comparing the effect of single doses of preoperative use of Sumatriptan 100 milligram, Pregabalin 75 milligram and Gabapentin 300 milligram on postoperative pain in rhinoplasty 2020-03-09 anticipated 90 Complete https://irct.ir/trial/46023 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Prevention, Randomization description: Balanced block randomization, Blinding description: Patients are unaware of the group they take part in. Also, the person responsible for evaluating outcomes in the patient has been kept unaware of treatment groups. 3 post-operative pain after rhinoplasty. Intervention 1: Intervention group1: One hour before surgery, patients receive an oral capsule containing 100 mg Sumatriptan with 100 ml of drinking water. Intervention 2: Intervention group2: One hour before surgery, patients receive an oral capsule containing 75 mg Pregabalin with 100 ml of drinking water. Intervention 3: Intervention group3: One hour before surgery, patients receive an oral capsule containing 300 mg Gabapentin with 100 ml of drinking water. No - There is not a plan to make this available Justification or reason for not sharing IPD is There are no further information available.