Persistent Depressive Disorder Persistent Depressive Disorder Diagnosis & DSM-5 Criteria 2 — Questions and Answers
Question 1: What minimum duration of depressed mood is required for a PDD diagnosis in children and adolescents per DSM-5?
- 6 months
- 1 year (Correct answer)
- 2 years
- 3 years
Correct answer: 1 year
For children and adolescents, DSM-5 requires at least 1 year of depressed or irritable mood for PDD.
Question 2: In children and adolescents, which mood presentation is specifically allowed as an alternative to depressed mood in PDD?
- Elevated mood
- Irritable mood (Correct answer)
- Euphoric mood
- Anxious mood
Correct answer: Irritable mood
DSM-5 allows irritable mood as an alternative to depressed mood in children and adolescents with PDD.
Question 3: Which diagnostic exclusion applies when evaluating PDD — the symptoms must NOT be better explained by which of the following?
- Anxiety disorder
- Substance use or medical condition (Correct answer)
- Personality disorder
- Sleep disorder
Correct answer: Substance use or medical condition
DSM-5 requires ruling out substance use or a general medical condition as the cause of PDD symptoms.
Question 4: Which condition is considered when both PDD and a Major Depressive Episode coexist, historically called 'double depression'?
- PDD with intermittent major depressive episodes (Correct answer)
- Bipolar II Disorder
- Cyclothymia
- Disruptive Mood Dysregulation Disorder
Correct answer: PDD with intermittent major depressive episodes
When MDE occurs on top of PDD, DSM-5 documents this with the specifier 'with intermittent major depressive episodes, with current episode.'
Question 5: Which DSM-5 specifier indicates that the current PDD episode began before age 21?
- With early onset (Correct answer)
- With childhood onset
- With adolescent onset
- With late onset
Correct answer: With early onset
DSM-5 uses the specifier 'with early onset' when PDD begins before age 21.
Question 6: PDD must be distinguished from cyclothymia primarily because cyclothymia includes:
- Only depressive episodes
- Periods of hypomania in addition to depressive symptoms (Correct answer)
- Psychotic features
- Seasonal mood patterns
Correct answer: Periods of hypomania in addition to depressive symptoms
Cyclothymia involves alternating hypomanic and depressive periods, unlike PDD which is unipolar and chronic.
What minimum duration of depressed mood is required for a PDD diagnosis in children and adolescents per DSM-5?