5.13 OCD and Related Disorders

Psych review for the USMLE Step 1 Exam

• Obsessive Compulsive Disorder (OCD): Unwanted thoughts (obsessions) and repetitive behaviors (compulsions). Treat with CBT + SSRIs/SNRIs.
• Tic Disorders: Tourette Syndrome involves multiple motor and at least one vocal tic. Treat with Habit Reversal Therapy.
• Body Dysmorphic Disorder: Preoccupation with minor flaws, treat with SSRIs and CBT.
• Trichotillomania: Hair pulling disorder, treat with Habit Reversal Training and sometimes SSRIs.
• PANDAS: Pediatric disorder after strep infection, sudden OCD-like symptoms. Treat with antibiotics, CBT, and SSRIs.