In this study, we demonstrated that inhalation of essential oil of lavender and essential oil of rosemary does not produce a detectable analgesic effect; however, subjects’ retrospective evaluations of aroma-induced changes in pain intensity and pain unpleasantness suggested that they perceived some ben- efit of the intervention, especially for lavender. Thus, in a typical clinical evaluation protocol that relies on retrospective evaluations of treatment effectiveness, aromatherapy may pro- duce a clinically relevant shift in the patient’s report of perceived pain. Therefore, given the minimal side effects of this intervention, aromatherapy may be helpful in treatment set- tings associated with both pain and heightened affective arousal, such as dental care or the outpatient treatment setting.
Sensory and Affective Pain Discrimination After Inhalation of Essential Oils
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