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What Comorbidities Are Common with ADHD? 

PostedOctober 13, 2025
UpdatedOctober 13, 2025
ByMy Patient Advice
Author: Avery Lombardi, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

Common ADHD comorbidities refer to other conditions that frequently occur alongside ADHD, creating a dual diagnosis. These co-occurring conditions can complicate treatment and exacerbate ADHD symptoms, making it essential to address both the ADHD and the associated disorders for effective management. Research shows that ADHD rarely occurs in isolation, and individuals with ADHD are often affected by one or more other mental health or developmental conditions. 

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Common ADHD Comorbidities 

Here are some common ADHD comorbidities:  

Anxiety Disorders  

One of the most common ADHD comorbidities is anxiety. Individuals with ADHD often experience heightened stress due to difficulties with organisation, focus, and time management. This stress can lead to anxiety disorders, such as generalized anxiety disorder (GAD), social anxiety, or panic attacks. 

Depression  

Depression is another frequent co-occurring condition with ADHD. Chronic difficulties in school, work, or relationships due to impulsivity or inattention can lead to low self-esteem, frustration, and feelings of helplessness, contributing to depression.  

Learning Disabilities  

Many individuals with ADHD also have learning disabilities, such as dyslexia or dyscalculia, which affect their ability to process certain types of information. These learning difficulties can make academic success more challenging and require tailored teaching strategies or support. 

Oppositional Defiant Disorder  

Children with ADHD are more likely to develop oppositional defiant disorder (ODD), characterised by defiant, hostile, and disobedient behaviour towards authority figures. This can add to the behavioural challenges in school and at home. 

In conclusion, managing common ADHD comorbidities involves an integrated treatment approach, which may include medication, therapy, behavioural interventions, and lifestyle changes.  

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 Signs, Symptoms, and Self-identification of ADHD. 

Take an ADHD test
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.