IRCT20210907052404N1 IRCT 2021-09-25 Shahre-kord University of Medical Sciences Effect of Oxygen Therapy on Patients with Headache Referred to Kashani’s Emergency Room for 15 to 60 Minutes Effect of Oxygen Therapy on Patients with Headache Referred to Kashani’s Emergency Room for 15 to 60 Minutes 2021-09-16 anticipated 60 Complete https://irct.ir/trial/58592 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: Patients will be divided into 2 groups equally by Permuted Block Randomization method. In each list, separate blocks of 2 will be placed randomly using a random table of numbers. In each list, the order of treatment is determined and therefore, using the double blocks defined based on the random table, patients will be placed in equal numbers in each group, Blinding description: Both patients and the statistical consultant will not know which group the patients belong to and what type of treatment the other groups will receive. N/A Headache. Intervention 1: Intervention group: For the intervention group, in addition to painkillers, oxygen therapy will be started by Non-rebreather mask, the amount of oxygen consumed will be at least 15 liters. The amount of pain will be measured and recorded by VAS 0, 15, 30, 45 and 60 minutes after the start of treatment by the patient. Intervention 2: Control group: Routine headache treatment will be started for all patients. This treatment will be done with Ketorolac 30 mg ampoules. Each patient will be asked to rate their pain with a visual analog scale (VAS). After recording the pain, the patient's blood pressure will be measured and recorded, and the O2 sat will be recorded before and after treatment. Also, for the control group, in addition to routine treatment, a mask connected to the air conditioner will be given. No - There is not a plan to make this available Justification or reason for not sharing IPD is There is no more information.