Olfactory Reference Disorder (Jikoshu-kyofu) By Katharine Anne Phillips, MD, Weill Cornell Medical College; Dan J Stein, MD, PhD, University of Cape Town Reviewed / Revised Jun 2023 View Patient Education Symptoms and Signs Diagnosis Treatment Key Points Olfactory reference disorder is characterized by a distressing or impairing belief by a person that they emit a foul or offensive body odor; the odor is slight or imperceptible to others.