How Frequently Does Epilepsy Co-Occur with ADHD?

PostedSeptember 11, 2025

UpdatedSeptember 11, 2025

ByMy Patient Advice

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

The epilepsy co-occurrence with ADHD is well documented in research, with studies suggesting that children with seizure disorders are more likely to also be diagnosed with ADHD compared to the general population. Estimates of prevalence rates vary, but research often places them between 20 and 40 per cent, highlighting a notable neurodevelopmental overlap between the two conditions.

This connection is thought to arise from shared neurological factors affecting brain function, which may contribute to both ADHD symptoms and epileptic activity. In some cases, the side effects of anti-seizure medication can also mimic or exacerbate symptoms of inattention or hyperactivity, making careful assessment essential when considering the epilepsy co-occurrence with ADHD.

How It Helps

Accurate Identification

Understanding the epilepsy co-occurrence with ADHD ensures that clinicians screen for ADHD symptoms in individuals with seizure disorders. Early recognition of this link allows for tailored treatment strategies that account for both conditions.

Holistic Management

By acknowledging the neurodevelopmental overlap, healthcare providers can coordinate care between neurology and behavioural health teams. This approach ensures that ADHD interventions do not conflict with seizure management, improving overall patient outcomes and quality of life.

In summary, recognising the epilepsy co-occurrence with ADHD and its associated prevalence rates is essential for timely diagnosis, effective treatment planning, and better long-term outcomes for individuals affected by both conditions.

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 conditions.

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.