IRCT20120215009014N248 IRCT 2018-11-09 Hamedan University of Medical Sciences Effect of Gabapentin and Pregabalin premedication versus placebo on pain after septoplasty with and without turbinoplasty Effect of Gabapentin and Pregabalin premedication versus placebo on pain after septoplasty with and without turbinoplasty: a double-blind randomized clinical trial 2017-04-21 anticipated 93 Complete https://irct.ir/trial/34875 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: Random assignment of the patients to the intervention and control groups through the drawing of lots, Blinding description: Patients will be unaware of the type of intervention. The physician who will examine the patients will not be aware of the intervention. Therefore, the trial will be run as double-blind. 2 Deviated nasal septum. Intervention 1: Intervention group 1: Gabapentin capsule 600 mg (2 capsules 300 mg) single dose 2 hours before surgery. Intervention 2: Intervention group 2: Pregabalin capsule 300 mg (2 capsules 150 mg) single dose 2 hours before surgery. Intervention 3: Control group: Placebo capsule (2 capsules) single dose 2 hours before surgery. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is It depends on the situations and the results of the study as well as approval of the financial supporting organization.