Randomized Controlled Study in the Use of Aromatherapy for Pain Reduction and to Reduce Opioid Use in the Emergency Department.

Introduction: This study aimed to evaluate the effects of aromatherapy on emergency department patients' perception of pain and its ability to reduce the use of opioids in an emergency department.

Methods: This randomized, controlled, single-blinded study was conducted in a suburban/rural freestanding emergency department with a therapeutic group, sham group, and control group.

Results: A total of 230 patients, 171 females and 59 males, completed the study.