Objective: The objective was to report a case of olfactory reference syndrome (ORS) with several co-occurring disorders and to discuss ORS differential diagnoses, diagnostic criteria and classification.
Method: Case report.
Results: A 37-year-old married woman presented overvalued ideas of having bad breath since adolescence. She met current diagnostic criteria for social anxiety disorder, specific phobia, obsessive-compulsive disorder, generalized anxiety disorder, body dysmorphic disorder and major depressive disorder. ORS similarities and differences with some related disorders are discussed.
Conclusion: Further studies regarding symptoms, biomarkers and outcomes are needed to fully disentangle ORS from existing depressive, anxiety and obsessive-compulsive spectrum disorders.
Keywords: Diagnostic criteria; Differential diagnoses; Nosological classification; Obsessive–compulsive disorder; Olfactory reference syndrome.
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