IRCT2016011726059N1 IRCT 2016-03-06 Iran University of Medical Sciences The effect of ginger oil on pain in patients with knee osteoarthritis The effect of topical application with aromatic ginger oil on pain of osteoarthritis among female older adult 2016-01-15 anticipated 96 Complete https://irct.ir/trial/21701 interventional Randomization: Not randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Supportive. N/A Knee Oseoarthritis. Intervention 1: Control groups؛ the control group with no intervention and treatment is not routinely recommended by doctors receive. McGill pain questionnaire and VAS before and in the second and fourth weeks will be completed by the control group. Intervention 2: The intervention group؛ after the sample selection from among eligible elderly referred to the Rheumatology Clinic Hospital Prophet (PBUH), the individual questionnaire, McGill pain questionnaire and Visual Analogue Scale will be completed by elderly people, then how do intervention patients are taught individually. Ginger essential oils in the intervention group than half a cc twice daily, morning and night before bed on knees with, will be applied for four weeks, then in the second week and the fourth visit to the clinic completed questionnaires will in the intervening during the phone call, the oil will remind them. If you have pain, you can use one gram of acetaminophen maximum.