DSM-5: disruptive mood dysregulation disorder

Area of Science:

• Child and Adolescent Psychiatry
• Mental Health Diagnostics
• Neurodevelopmental Disorders

Background:

• The Diagnostic and Statistical Manual of Mental Disorders, fifth edition (DSM-5) introduced Disruptive Mood Dysregulation Disorder (DMDD).
• DMDD diagnosis addresses severe temper outbursts and persistent irritability in youth.
• The inclusion of DMDD in DSM-5 has been met with controversy due to limited initial data.

Purpose of the Study:

• To provide historical context for the introduction of DMDD in DSM-5.
• To detail the diagnostic criteria, epidemiology, clinical presentation, and pathophysiology of DMDD.
• To review current treatment approaches for DMDD and highlight areas for future research.

Main Methods:

• Literature review of historical perspectives and diagnostic criteria for DMDD.
• Synthesis of epidemiological data, clinical presentation, and longitudinal course studies.
• Examination of pathophysiological findings and treatment research related to DMDD.

Main Results:

• DMDD diagnosis requires frequent, severe temper outbursts disproportionate to the situation and persistent angry/irritable mood.
• Youth with DMDD symptoms experience significant impairment and high healthcare utilization.
• Despite controversy, DMDD represents a clinically significant phenotype requiring further investigation.

Conclusions:

• Expanded research is crucial for a better understanding of the DMDD phenotype.
• Improved assessment and diagnostic accuracy are needed for DMDD.
• Enhanced treatment strategies are required for youth diagnosed with DMDD.