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Do Autoimmune Diseases Mimic ADHD Concentration Issues? 

PostedSeptember 11, 2025
UpdatedSeptember 11, 2025
ByMy Patient Advice

Some autoimmune diseases and ADHD-like symptoms can appear remarkably similar, leading to potential confusion during diagnosis. Autoimmune conditions can trigger inflammation in the body and brain, which may cause cognitive changes such as reduced focus, slower processing speeds, and difficulty organising tasks. These effects can create an attention overlap with ADHD, making it important for clinicians to consider immune-related causes during assessment. 

One of the most notable features of autoimmune conditions is immune-related brain fog, which can impair memory, clarity of thought, and the ability to sustain concentration. Fatigue is another common symptom, and when it becomes chronic, it can mimic the inattentiveness often seen in ADHD. For this reason, evaluating for autoimmune diseases and ADHD-like symptoms can be essential, particularly if there are additional signs such as joint pain, skin changes, or recurrent infections. 

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How It Helps 

Identifying the Source of Attention Difficulties 

Considering autoimmune diseases and ADHD-like symptoms ensures that clinicians investigate whether concentration problems are neurological in origin or linked to an underlying immune disorder. 

Tailored Management Strategies 

When fatigue and immune-related brain fog stem from autoimmune conditions rather than ADHD itself, treatment can be tailored to address inflammation and energy regulation, alongside cognitive support. This distinction helps avoid unnecessary ADHD medication and promotes more effective care. 

In summary, recognising the connection between autoimmune diseases and ADHD-like symptoms is vital for accurate diagnosis and ensuring that both attention issues and underlying health conditions are managed appropriately. 

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.  

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Harriet Winslow, BSc - My patient advice author - mypatientadvice.co.uk

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, 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. 

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