IRCT20190128042525N2 IRCT 2019-04-27 Zahedan University of Medical Sciences Diclofenac and acetaminophen in hemorrhoidectomy Comparing the effect of diclofenac and acetaminophen suppositories in decrease pain following hemorrhoidectomy 2014-06-02 anticipated 70 Complete https://irct.ir/trial/37189 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Selection and assignment of samples to each treatment group will be done by random blocking method. Therefore, according to the sample size of 70 cases, 9 blocks were defined with 8 patients per block which are equally placed in each block of the groups. Then the tabs are arranged for each of the groups according to the random distribution in each block. So, upon completion of each block, 8 patients will be enrolled in the study, which will be equal to 4 patients from each group, Blinding description: The investigator and Data analyzer will not be informed of the type of study group (type of suppository that will be consumed in each group). At the beginning of the study, all participants will be given study conditions and the two types of drugs which will be used, but none of them will be aware in which group they will be assigned. 2-3 hemorrhoidectomy. Intervention 1: Intervention Group 1: two suppositories of acetaminophen 325 mg equal to 650 mg. Intervention 2: Intervention Group 2: Diclofenac suppository 100 mg. No - There is not a plan to make this available Justification or reason for not sharing IPD is "There is no further information"