What is Lennox-Gastaut syndrome (LGS)?

Lennox-Gastaut syndrome, or LGS, is a type of epilepsy, which is when people have seizures. Seizures occur when there is a sudden abnormal burst of electrical activity in the brain that interferes with normal brain activity. People with LGS can have different types of seizures. These include atonic seizures, or drop attacks, when their muscles suddenly shut down and they might fall to the ground. There may have tonic seizures, which are when the muscles suddenly go totally stiff. With these, people can fall down too, and crash to the ground. During an absence seizure, people can’t respond to what is going on around them. Different types of seizures may happen several times a day, but the type and frequency of seizures varies from one individual to the next.

In addition to having seizures, people with LGS find it harder to learn, to understand things, and to manage everyday needs.They may behave differently, and sometimes get more upset and irritable.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.