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HomeConditionsDepression & Bipolar (Mood Disorders)Disruptive Mood Dysregulation Disorder
Mental Health Condition

Disruptive Mood Dysregulation Disorder

To define Disruptive Mood Dysregulation Disorder: A childhood disorder of severe, frequent temper outbursts and constant irritability that disrupts daily life at home and school.

Overview

Description

A childhood condition characterized by severe, recurrent temper outbursts (verbal or behavioral) that are grossly out of proportion to the situation, along with persistently irritable or angry mood between outbursts. Symptoms are present for at least 12 months, occur in multiple settings, and are inconsistent with developmental level.

Prevalence

Estimated 2–5% of children and adolescents; more common in males and school-aged populations.

Age of Onset

Before age 10, diagnosis typically made in school-age children or early adolescence.

DSM-5 Code

296.99

ICD-10 Code

F34.81

By HeyPsych Contributor
Reviewed by the HeyPsych Medical Review Board
Reviewed by the HeyPsych Medical Review Board
Board-certified psychiatrists and mental health professionals
Medical Review Board
Published: August 15, 2025
Last Updated: August 25, 2026
Last Reviewed: August 25, 2026

What It Is

What It Is

Real-Life Stories

Real-Life Stories

Common Reactions

Common Reactions

First-Person Voices

First-Person Voices

Full Examples

Full Examples

Comparisons

Comparisons

Frequently Asked Questions

Frequently Asked Questions

Symptoms

Symptoms

Treatment

Treatment

This information about mental health conditions is for educational purposes only. If you believe you may be experiencing symptoms of a mental health condition, please consult with a qualified healthcare professional for proper evaluation and diagnosis.

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