Skip to Content
Home > Wellness > Health Library > Epilepsy: Atonic Seizures
An atonic seizure is a sudden loss of muscle tone in the muscles that
hold the body and head upright.
Atonic seizures are fairly uncommon and occur mostly in people with
Lennox-Gastaut syndrome. This is a severe form of generalized epilepsy that begins
in early childhood. (Children with Lennox-Gastaut syndrome may also have
People who have atonic or tonic seizures are likely to be injured
when they fall. Children may have to wear helmets and restrict their activities
to prevent serious injury.
Current as of:
March 12, 2014
John Pope, MD - Pediatrics & Steven C. Schachter, MD - Neurology
How this information was developed to help you make better health decisions.
To learn more, visit Healthwise.org
© 1995-2014 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
Our interactive Decision Points guide you through making key health decisions by combining medical information with your personal information.
You'll find Decision Points to help you answer questions about:
Get started learning more about your health!
Our Interactive Tools can help you make smart decisions for a healthier life. You'll find personal calculators and tools for health and fitness, lifestyle checkups, and pregnancy.
Feeling under the weather?
Use our interactive symptom checker to evaluate your symptoms and determine appropriate action or treatment.