Lennox-Gastaut syndrome, or LGS, is a rare form of childhood-onset epilepsy which usually appears between the 2nd and 6th year of life. The syndrome is characterized by frequent seizures and multiple seizure types, behavior issues, mental retardation, regression, and a resistance to medications or therapies. .
The LGS Foundation is a nonprofit organization dedicated to providing support and information about Lennox-Gastaut syndrome while raising funds to help pursue additional research and services for LGS families.