IRCT20180809040749N1 IRCT 2018-09-08 Iran University of Medical Sciences The effect of the topical application of chamomile oil on pain The effect of the topical application of chamomile oil on rheumatoid arthritis knee pain in older women 2018-08-18 anticipated 96 Complete https://irct.ir/trial/33213 interventional Randomization: Not randomized, Blinding: Single blinded, Placebo: Used, Assignment: Parallel, Purpose: Supportive, Blinding description: Participants in the test and placebo groups are selected from two separate hospitals, plus they receive oils in similar cans. 3 Rheumatoid Arthritis. Intervention 1: Intervention group: For the test group, oil is treated by a researcher and a sample. As soon as 1.5 cc of chamomile oil is applied twice a day for 6 hours, first by the researcher and secondly by the specimen and with the help of a dropper on the affected joint skin and around it, and slowly spread over until oil is on The skin will disappear so that the friction between the hands and skin of the patient is minimized to prevent heat generation. Non-fat chamomile oil has been produced by Shafa Kordestan Company under the supervision of Iran's Herbal Medicine Company under license No. 10335/41 of the Ministry of Health and Medical Education. Specified amount of oil is provided in small plastic cans that can be easily opened and closed. Intervention 2: Control group: In the placebo group, a similar amount of 1.5 cc of liquid sanitary paraffin is used. No - There is not a plan to make this available Justification or reason for not sharing IPD is No more information