What is Disruptive Mood Dysregulation Disorder (DMDD)?
A childhood depressive disorder characterized by chronic irritability and frequent temper outbursts.
What age range is DMDD diagnosed in?
6–17 years old
Is DMDD considered a depressive disorder or bipolar disorder?
Depressive disorder
What are the three hallmark features of DMDD?
Chronic dysregulated mood
Frequent temper outbursts
Severe irritability
How often do temper outbursts occur in DMDD?
Regular and frequent (out of proportion to situation).
What mood state is present between temper outbursts?
Persistent irritability or anger
What does the mnemonic DICED stand for in DMDD?
Depression
Irritability
Chronic dysregulated mood
Episodes of intense temper outbursts
Determine family history of bipolar disorder
What percentage of children are affected by DMDD?
About 2–5%
Which gender is DMDD more common in?
Boys
Common comorbidities with DMDD?
ADHD
ODD
Bipolar disorder
Anxiety disorders
Autism spectrum disorder
Why must family history of bipolar disorder be screened in DMDD?
Symptoms can resemble pediatric bipolar disorder.
Key difference between DMDD and bipolar disorder?
DMDD = chronic irritability (non-episodic)
Bipolar = distinct manic/hypomanic episodes
If irritability is constant, think DMDD.
If mood changes are episodic, think bipolar.
First-line treatment approach for DMDD?
Psychotherapy (individual, group, family)
Medication classes used for DMDD target symptoms?
SSRIs
Mood stabilizers
Atypical antipsychotics
Why are atypical antipsychotics used in DMDD?
To manage severe irritability and aggression
Why is regular follow-up important in DMDD?
Ongoing monitoring for comorbid conditions and mood changes.
What is Intermittent Explosive Disorder (IED)?
A disorder characterized by recurrent impulsive aggressive outbursts that are out of proportion to the stressor.
Does IED occur in children, adults, or both?
Both children and adults
What are the frequency criteria for IED diagnosis?
Verbal or physical aggression twice weekly for 3 months, OR
3 behavioral outbursts in 12 months involving property damage or physical assault
How long do IED outbursts typically last?
Usually less than 30 minutes
How are IED outbursts typically described?
“Adult temper tantrums” — sudden, impulsive, disproportionate.
Examples of IED behaviors?
Throwing objects
Fighting without clear reason
Road rage
Domestic violence
Property destruction
Assaulting people or animals
What physical symptoms may precede an IED outburst?
Increasing tension
Racing thoughts
Increased energy
Tremors
Palpitations
Chest tightness
What emotional symptoms occur in IED?
Rage
Irritability
Anger