How Common is ODD Among Kids with ADHD?

PostedSeptember 8, 2025

UpdatedSeptember 8, 2025

ByMy Patient Advice

Author: Avery Lombardi, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

Oppositional Defiant Disorder (ODD) is quite common among children with ADHD. ODD prevalence is marked by the research as it is indicated that around 40% of children with ADHD also display symptoms of ODD, making it a frequent co-occurring condition. This combination can complicate diagnosis and treatment, but recognising how these two disorders overlap is crucial for effective management and support.

ADHD in children affects attention, impulse control, and hyperactivity, while ODD is marked by a persistent pattern of defiant, argumentative, and hostile behaviours. While both conditions share traits like irritability, they are distinct and often require different approaches for treatment.

Common Symptoms of ODD in Children with ADHD

Children with ADHD and ODD may exhibit specific behaviours that stem from both conditions. Here’s a breakdown of the key symptoms:

Frequent Temper Tantrums

Children with ODD often experience intense emotional outbursts, especially when faced with authority or frustration. In kids with ADHD, these tantrums can be more frequent and intense due to difficulties in managing impulsive emotions.

Arguing with Adults

One of the main characteristics of ODD is a tendency to argue with authority figures. Children with ADHD may struggle more with this behaviour when their attention is diverted or they are overwhelmed, making these conflicts harder to manage.

Blaming Others

Children with ODD frequently avoid taking responsibility for their actions and will often blame others for mistakes. With ADHD, impulsivity can increase the likelihood of these externalising behaviours, as kids may have a harder time processing their own role in conflicts.

In conclusion, understanding the relationship between ADHD and Oppositional Defiant Disorder can help caregivers and healthcare providers create more personalised plans.

Visit providers like ADHD Certify for personal consultations and expert guidance tailored to your unique situation.

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to Oppositional Defiant Disorder.

Avery Lombardi, MSc

Author

Avery Lombardi is a clinical psychologist with a Master’s in Clinical Psychology and a Bachelor’s in Psychology. She has professional experience in psychological assessment, evidence-based therapy, and research, working with both child and adult populations. Avery has provided clinical services in hospital, educational, and community settings, delivering interventions such as CBT, DBT, and tailored treatment plans for conditions including anxiety, depression, and developmental disorders. She has also contributed to research on self-stigma, self-esteem, and medication adherence in psychotic patients, and has created educational content on ADHD, treatment options, and daily coping strategies.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the author's privacy.

Dr. Rebecca Fernandez, MBBS

Reviewer

Dr. Rebecca Fernandez is a UK-trained physician with an MBBS and experience in general surgery, cardiology, internal medicine, gynecology, intensive care, and emergency medicine. She has managed critically ill patients, stabilised acute trauma cases, and provided comprehensive inpatient and outpatient care. In psychiatry, Dr. Fernandez has worked with psychotic, mood, anxiety, and substance use disorders, applying evidence-based approaches such as CBT, ACT, and mindfulness-based therapies. Her skills span patient assessment, treatment planning, and the integration of digital health solutions to support mental well-being.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the reviewer's privacy.