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Case 11: - Obsessive–Compulsive Disorder

from Part 1: - Vignettes

Published online by Cambridge University Press:  04 September 2025

Howard CH Khoe
Affiliation:
National Psychiatry Residency Programme, Singapore
Cheryl WL Chang
Affiliation:
National University Hospital, Singapore
Cyrus SH Ho
Affiliation:
National University Hospital, Singapore
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Summary

Chapter 11 covers the topic of obsessive–compulsive disorder (OCD). Through a case vignette with topical MCQs for consolidation of learning, readers are brought through the diagnosis and treatment of a patient with OCD. We delineate the investigations to rule out organic causes and explore treatment options and its side effects. Topics covered include the symptoms, investigations, differential diagnoses, treatment of OCD including pharmacological and psychological therapies, treatment-resistant OCD.

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