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Can Autism Be Misdiagnosed Due to Epilepsy? 

Author: Beatrice Holloway, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

Yes, confusion between autism vs epilepsy is possible, particularly in children with overlapping neurological and behavioural signs. Some forms of seizure disorders, especially those that begin in early development can temporarily affect communication, behaviour, and social interaction, which are also hallmark traits of autism. 

Both conditions share a complex neurological overlap. For example, subtle seizures might be mistaken for social withdrawal or lack of response, while behavioural disruptions following a seizure episode could resemble autistic traits. This makes diagnostic confusion more likely, especially when clear seizure activity is not immediately visible or captured in standard screening. 

What Professionals Consider in Diagnosis 

To tell the two apart, clinicians look at the following: 

Behaviour Timing and Context 

Autism traits are usually consistent across settings. In contrast, epilepsy-related behaviours may occur in patterns, often tied to specific brain activity or seizure events. 

Developmental History 

Autism tends to show from a very young age, often linked with delays in speech or social play. Epilepsy can appear later or suddenly, depending on the type and cause. 

Neurological Testing 

EEG and imaging are key in identifying epilepsy, whereas autism diagnosis leans on behavioural assessments and developmental observation. 

Parents and caregivers concerned about either condition should seek a full evaluation.  

Visit providers like Autism Detect for personal consultations that support accurate and thorough assessment.  

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to misdiagnosis and differential diagnosis.

Beatrice Holloway, MSc
Author

Beatrice Holloway is a clinical psychologist with a Master’s in Clinical Psychology and a BS in Applied Psychology. She specialises in CBT, psychological testing, and applied behaviour therapy, working with children with autism spectrum disorder (ASD), developmental delays, and learning disabilities, as well as adults with bipolar disorder, schizophrenia, anxiety, OCD, and substance use disorders. Holloway creates personalised treatment plans to support emotional regulation, social skills, and academic progress in children, and delivers evidence-based therapy to improve mental health and well-being across all ages.

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. 

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