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What is the Risk of Substance Abuse in Individuals with ADHD–ODD Comorbidity? 

PostedSeptember 9, 2025
UpdatedSeptember 10, 2025
ByMy Patient Advice
Author: Avery Lombardi, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

The ADHD and ODD substance abuse risk is significantly higher in individuals who have both conditions. ADHD, characterized by impulsivity, poor impulse control, and emotional dysregulation, combined with ODD, which involves defiance, aggression, and a tendency to challenge authority, creates a vulnerable environment that can increase the likelihood of turning to substances as a coping mechanism. 

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ADHD and Addiction Risk 

ADHD addiction is often linked to the impulsivity and poor decision-making that comes with the disorder. Children and adolescents with ADHD are more likely to engage in risky behaviours, including experimenting with drugs or alcohol, due to a higher need for stimulation, emotional regulation issues, and difficulty resisting impulses. As they grow older, these behaviours can develop into substance abuse problems. 

ODD Comorbidity and the Risk of Substance Abuse 

When ODD comorbidity is present, the risk of substance abuse increases further. Children and adolescents with ODD are more likely to engage in oppositional behaviour, such as defying authority and seeking out rebellious or risk-taking activities. As they struggle with authority figures and experience more social and academic rejection, the need to self-medicate or find an outlet for their frustration may lead them to substance use. 

Prevention and Early Intervention 

Early intervention is crucial in addressing the ADHD and ODD substance abuse risk. Behavioural therapy, emotional regulation training, and consistent support at home and school can help reduce the risk of turning to drugs or alcohol.  

In conclusion, building healthy coping mechanisms and improving social skills can provide individuals with ADHD and ODD, better tools for managing their emotions and behaviours without resorting to substances. 

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. 

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Avery Lombardi, MSc, author for my patient advice - mypatientadvice.co.uk
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, author and a reviewer for my patient advice - mypatientadvice.co.uk
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.