Can Absence Seizures Present Like Inattentive ADHD?

PostedSeptember 10, 2025

UpdatedSeptember 10, 2025

ByMy Patient Advice

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

Absence seizures vs inattentive ADHD can sometimes be difficult to distinguish, as both conditions can involve brief staring spells and difficulty with attention. However, the causes of these behaviours are very different. Absence seizures vs inattentive ADHD are often misdiagnosed because the symptoms can appear similar, especially in children.

Absence seizures are brief episodes of seizure activity that can cause a person to appear distracted or disconnected from their surroundings. These episodes often last only a few seconds and can be mistaken for inattentive ADHD, where the child may seem to be daydreaming or losing focus. However, while both conditions involve lapses in attention, seizure activity is a neurological issue, while ADHD is typically related to difficulties with attention regulation and impulse control.

Common Symptoms: Absence Seizures vs Inattentive ADHD

Brief Staring Spells

Children with absence seizures may experience sudden brief staring spells, where they appear to “zone out” for a few seconds. This is often misinterpreted as inattentiveness, a common symptom of ADHD.

Seizure Activity

In absence seizures, the seizure activity is usually brief and may involve subtle physical signs, such as slight twitching or blinking, which are not seen in ADHD.

Misdiagnosis Risk

Due to the similarity in symptoms, there is a misdiagnosis risk when clinicians fail to recognise absence seizures as the cause of attention lapses, mistaking them for ADHD instead.

Recognising the differences between absence seizures vs inattentive ADHD is important for accurate diagnosis and treatment, ensuring that children receive the appropriate care for their specific condition.

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.