IRCT20180211038692N2 IRCT 2023-10-26 Tehran University of Medical Sciences Effect of Citalopram on Endometriosis Investigating the effect of Citalopram (selective serotonin reuptake inhibitor) on the symptoms of endometriosis patients under medical treatment 2023-11-03 anticipated 80 Complete https://irct.ir/trial/70756 interventional Randomization: Randomized, Blinding: Triple blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: Our sample size is80 people, with 30people in each group.The unit of study is the individual. We will use the block randomization method by using: www.sealedenvelope.com. The number of blocks considered is 4, Blinding description: The list of random allocation of patients is only at the disposal of the clinic nurse. In order to hide the random allocation process, the sequence of treatments will be written on80 cards in order. Then the cards will be placed inside sealed envelopes. When the doctor qualifies the patient to enter Determined for the study, the nurse provides the doctor with the envelope related to the type of intervention. In order to check the outcome, a doctor who was unaware of the type of intervention is used. Also, for data analysis, a statistician who is separate from the study process and from all The procedures performed are used in an uninformed manner. The study is triple-blind. The patient is also unaware. 3 Endometriosis. Intervention 1: Intervention group: Patients use 1 tablet of Citalopram 20mg(Sobhan Company) and one tablet of Verogest 2 mg (Ati Pharmed Company) daily for up to 3 months continuously. Intervention 2: Control group: Patients use 1 tablet of placebo and one tablet of Verogest 2 mg (Ati Pharmed Company) daily for up to 3 months continuously. 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 is not yet known if there will be a plan to make this available