Are Adult Relationship Problems More Common in Those with ADHD and ODD?

PostedSeptember 9, 2025

UpdatedSeptember 10, 2025

ByMy Patient Advice

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

Yes, ADHD and ODD adult relationship issues are more common in individuals who have both conditions. ADHD, with its core symptoms of inattention, impulsivity, and emotional dysregulation, combined with ODD, which involves defiance and hostility, can create ongoing challenges in relationships throughout life. These challenges can manifest in both personal and professional settings, leading to misunderstandings, conflict, and difficulties with communication.

ADHD and Social Difficulties in Adulthood

Adult ADHD can lead to significant social difficulties, including trouble focusing during conversations, forgetting important details, or making impulsive decisions. These behaviours can cause frustration in relationships, as partners or colleagues may feel neglected, disrespected, or misunderstood. Emotional outbursts, irritability, or inability to stay organised can also strain relationships, as it becomes difficult to maintain trust and mutual respect.

ODD Relationships and Increased Tension

For those with ODD relationships, the tendency toward defiance, argumentativeness, and difficulty accepting authority can cause strain in adult interactions. Whether in romantic relationships, friendships, or the workplace, individuals with ODD may experience frequent conflicts, pushing boundaries, and rejecting social norms.

Long-Term Impact and Support

Without proper treatment and coping mechanisms, these ADHD and ODD adult relationship issues can persist and worsen. However, targeted interventions such as behavioural therapy, and relationship counselling can help adults to overcome relationship issues.

In conclusion, through emotional regulation training, individuals with ADHD and ODD can develop healthier communication skills and improve their relationships.

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.