HeyPsych
ConditionsTreatmentsToolsFind CareFor Clinicians

If you're in crisis, help is available 24/7

Call or text 988|More resources
HeyPsych

Better mental health starts with better decisions.

Clinical content reviewed by mental health professionals.

Explore

  • Conditions
  • Treatments
  • Tools
  • Find Care

Resources

  • Knowledge Hub
  • Assessments
  • For Clinicians

Company

  • About
  • Privacy
  • Terms
  • Contact

© 2026 HeyPsych. All rights reserved.

HeyPsych provides decision-support information. Not a substitute for professional medical advice.

HomeConditionsDisruptive Behavior Disorders (ODD / Conduct)Oppositional Defiant Disorder
Mental Health Condition

Oppositional Defiant Disorder

To define Oppositional Defiant Disorder: A pattern of angry, defiant behavior toward authority lasting six months, beyond typical childhood oppositionality.

Overview

Description

Oppositional Defiant Disorder (ODD) is characterized by a recurrent pattern of angry/irritable mood, argumentative/defiant behavior, or vindictiveness lasting at least 6 months, exhibited during interaction with at least one individual who is not a sibling. Behaviors are beyond normative childhood misbehavior for developmental level and cause significant distress or functional impairment.

Prevalence

Estimated 1–11% in children/adolescents, more common in males before adolescence; prevalence equalizes after puberty.

Age of Onset

Typically emerges in preschool years; rarely after early adolescence.

DSM-5 Code

313.81

ICD-10 Code

F91.3

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

Overview

Overview

Symptoms

Symptoms

Causes & Risk Factors

Causes & Risk Factors

Diagnosis

Diagnosis

Treatment

Treatment

Living With ODD

Living With ODD

Real Stories

Real Stories

Common Questions

Common Questions

Resources

Resources

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.

Get Support

Seeking Help for Oppositional Defiant Disorder?

If you recognize these symptoms in yourself or a loved one, know that help is available. Mental health conditions are treatable, and connecting with a qualified professional can make a significant difference.
Locate Psychiatrists