Obsessive Compulsive Disorder

Question 1

obsessive compulsive spectrum disorders

Answer 1

OCD, OCD secondary to another medical condition, substance-induced OCD

Question 2

body dysmorphic disorder

Answer 2

preoccupation with imagined/slight defect, repetitive behavior (mirror checking), mental acts (comparing with others), obsession + compulsion with focus; 2.5% US adults

Question 3

compulsion (w/o obsession) disorders

Answer 3

hoarding (3x common in >55 y/o), trichotillomania, excoriation (repeated attempts to stop), Tourette’s (ticks, jerking, blinking, vocal)

Question 4

obsessions (w/o compulsion) disorders

Answer 4

post-traumatic stress disorder

Question 5

obsessive compulsive disorder

Answer 5

presence of obsessions (intrusive, unwanted thoughts), compulsions (repetitive behavior, mental act to reduce distress associated with obsession), both that are time consuming >1h/d; pathological uncertainty

Question 6

epidemiology

Answer 6

occurs later in life (onset 19.5 y/o); F>M, comorbidity with depression or anxiety disorder

Question 7

PANDAS

Answer 7

pediatric autoimmune neuropsychiatric disorders associated with streptococcus; abrupt onset of OCD between 3 y/o and puberty (treat with IV Ig and plasmaphoresis)

Question 8

treatment

Answer 8

SSRIs, behavior therapy (exposure); dopamine blocking agents, neurosurgery