What Other Conditions Can You Have with ADHD?

PostedSeptember 10, 2025

UpdatedSeptember 10, 2025

ByMy Patient Advice

Author: Harriet Winslow, BSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

Children and adults with ADHD may experience comorbid conditions with ADHD, meaning they have ADHD along with one or more other mental health or developmental conditions. These co-occurring disorders can complicate the diagnosis and treatment of ADHD, as the symptoms of these conditions may overlap or intensify ADHD symptoms.

Common comorbid mental health issues include anxiety disorders, depression, and oppositional defiant disorder (ODD). These conditions often coexist with ADHD, making it more challenging for individuals to manage emotions, focus, and maintain relationships. For example, a child with ADHD and anxiety may find it particularly difficult to concentrate in stressful situations, while a child with ADHD and depression may experience low energy and difficulty engaging in daily tasks.

A dual diagnosis is made when a person is diagnosed with both ADHD and another condition, which can significantly affect their treatment plan. Identifying these comorbid conditions with ADHD is essential to ensure that all aspects of the individual’s health are addressed, leading to more effective treatment strategies.

Common Symptoms

Inattention

Co-occurring disorders like anxiety or depression can exacerbate inattention, making it more challenging for individuals with ADHD to stay focused.

Impulsivity

The presence of other conditions, such as ODD, may increase impulsive behaviour, complicating the management of ADHD.

Emotional regulation difficulties

Comorbid mental health issues can contribute to emotional instability, making it harder for individuals to manage their emotions in various settings.

Understanding comorbid conditions with ADHD helps in tailoring treatment to address both ADHD and any additional disorders, ensuring a more holistic approach to care.

Visit providers like ADHD Certify for personal consultations and expert advice tailored to your needs.

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to Rule-outs for other condition.

Harriet Winslow, BSc

Author

Harriet Winslow is a clinical psychologist with a Bachelor’s in Clinical Psychology and extensive experience in behaviour therapy and developmental disorders. She has worked with children and adolescents with ADHD, autism spectrum disorder (ASD), learning disabilities, and behavioural challenges, providing individual and group therapy using evidence-based approaches such as CBT and DBT. Dr. Winslow has developed and implemented personalised treatment plans, conducted formal and informal assessments, and delivered crisis intervention for clients in need of urgent mental health care. Her expertise spans assessment, treatment planning, and behavioural intervention for both neurodevelopmental and mental health conditions.

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.