Can Concussions Lead to ADHD-Like Symptoms?

PostedSeptember 10, 2025

UpdatedSeptember 10, 2025

ByMy Patient Advice

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

Concussions and ADHD-like symptoms can often be confused, as both can cause difficulties with focus, memory, and behaviour. However, while ADHD is a neurodevelopmental disorder, concussions can lead to temporary symptoms that mimic those of ADHD. Understanding the differences is crucial for accurate diagnosis and treatment.

After a concussion, individuals may experience post-concussive symptoms such as headaches, dizziness, and difficulty concentrating. These symptoms can affect attention and memory, leading to difficulties in school or work environments, which can resemble the inattention seen in ADHD. Additionally, cognitive issues such as poor concentration and slowed processing speed can occur following a concussion, further adding to the confusion.

Common Symptoms: Concussions and ADHD-like Symptoms

Post-Concussive Symptoms

Following a concussion, symptoms like difficulty concentrating, irritability, and fatigue can appear similar to the inattentiveness and impulsivity seen in ADHD. However, these symptoms are typically temporary and related to the brain injury.

Cognitive Issues

Concussions can cause cognitive issues such as memory problems, slower thinking, and difficulty retaining information. These issues may resemble ADHD symptoms but are usually a result of brain injury rather than a lifelong attention disorder.

Memory Problems

Individuals recovering from a concussion may experience memory problems, which can mimic the forgetfulness and disorganisation often seen in ADHD. However, these memory issues should resolve as the brain heals.

By recognising the differences between Concussions and ADHD-like symptoms, healthcare professionals can ensure the proper diagnosis and avoid unnecessary treatment for ADHD when the symptoms are caused by concussion-related brain injury.

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.