Here are some studies that look at Essential Oils and Pain Relief
Anti-Inflammatory Effects of the Essential Oils of Ginger (Zingiber officinale Roscoe) in Experimental Rheumatoid Arthritis.
Essential oils and Rheumatoid Arthritis
Essential Oils used in Aromatherapy. Conclusion: From above reports and study, we can conclude that aromatherapy is natural and noninvasive gift of nature for humans. It’s not only the disease symptoms which are eradicated but the whole body is rejuvenated by the use of aroma. Aromatherapy regulates the physiological, spiritual and psychological upliftment for the new phase of life. This therapy is not only preventive but also can be used in the acute and chronic stages of disease. Pharmaceutical industries are trying for environmental friendly, alternative and natural medicine for disease associated with pathogens and metabolism. There may be a possibility of enhancing the rate of reaction and bioavailability of drugs from the use of these essential oils.
Essential Oil Therapy for Shingles
Effect of aromatherapy massage with lavender essential oil on pain in patients with osteoarthritis of the knee: A randomized controlled clinical trial. Conclusion: Aromatherapy massage with lavender essential oil was found effective in relieving pain in patients with knee osteoarthritis. However, further studies are needed to confirm findings of this study.