How does hyperactivity in ADHD relate to oppositional defiant disorder?

PostedAugust 25, 2025

UpdatedSeptember 5, 2025

ByMy Patient Advice

Author: Victoria Rowe, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

Many children with ADHD also display signs of ODD,a condition characterised by persistent defiance, irritability, and argumentative behaviour. The overlap between ADHD and ODD can make ADHD behaviour issues more challenging to manage.

Hyperactivity and impulsivity from ADHD may contribute to defiance in children, as they struggle with frustration, emotional control, and following rules. When these behaviours are consistent and severe, clinicians may diagnose coexisting disorders, tailoring treatment to address both conditions.

Understanding the ADHD and ODD Connection

Here are some important ways ODD and ADHD interact, and strategies for support:

Shared Emotional Dysregulation

Both ADHD and ODD involve difficulty managing emotions, often resulting in anger, tantrums, or refusal to comply. Behavioural therapy and parent training can help children learn better coping skills.

Impulsivity and Rule-Breaking

Hyperactive and impulsive behaviours may appear as deliberate defiance but often stem from ADHD-related challenges. Understanding the root of the behaviour allows for more effective interventions.

Strained Relationships

These behaviours can strain relationships with family, peers, and teachers. Creating supportive environments, setting clear boundaries, and applying consistent discipline can help reduce conflict.

Recognising and treating these coexisting disorders improves outcomes for children and their families. Visit providers like ADHD Certify for personal consultations and tailored strategies.

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

Victoria Rowe, MSc

Author

Victoria Rowe is a health psychologist with a Master’s in Health Psychology and a BS in Applied Psychology. She has experience as a school psychologist, conducting behavioural assessments, developing individualized education plans (IEPs), and supporting children’s mental health. Dr. Rowe has contributed to peer-reviewed research on mental health, including studies on anxiety disorders and the impact of COVID-19 on healthcare systems. Skilled in SPSS, Minitab, and academic writing, she is committed to advancing psychological knowledge and promoting well-being through evidence-based practice.

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.