Lennox-Gastaut Syndrome (LGS) is an uncommon and severe form of epilepsy that usually arises in childhood, between the ages of 3 and 5. It accounts for roughly 1-2% of all pediatric epilepsy cases. This condition is distinguished by a variety of seizures, developmental abnormalities, and particular EEG (electroencephalogram) patterns. Seizures in LGS are varied and difficult to regulate. They frequently include tonic seizures (sudden muscle stiffening), atonic seizures (sudden loss of muscle tone leading to falls), atypical absence seizures (staring episodes), and sometimes tonic-clonic seizures (previously known as grand mal seizures). These seizures can occur numerous times each day and can be difficult to control with standard anti-seizure drugs. Individuals with LGS are prone to developmental delays and cognitive impairment. These might range from mild to severe and can include intellectual disability, learning disabilities, and behavioral issues. The illness can also impair motor skills, communication, and social engagement. LGS has a characteristic EEG pattern that reveals a sluggish spike-and-wave pattern that occurs during sleep and waking. This pattern aids in the diagnosis of the illness and distinguishes it from other types of epilepsy. LGS's actual cause is frequently unknown, but it has been connected to brain abnormalities, brain traumas, hereditary factors, or other neurological diseases. LGS can arise as a result of other seizure diseases, such as infantile spasms, in some situations. The nature of the seizures and the syndrome's tolerance to many anti-seizure drugs make treatment for LGS difficult. To treat seizures, a combination of drugs such as valproic acid, lamotrigine, rufinamide, and others are frequently utilized. Dietary therapy such as the ketogenic diet and medical devices such as vagus nerve stimulation may also be used as therapeutic alternatives. Because of the severity of seizures and related developmental difficulties, LGS has a profound impact on the lives of afflicted persons and their family. Support from healthcare specialists, educational resources, and a solid support network are essential for coping with the problems of this disease. Ongoing research attempts to better understand LGS and create more effective treatments to help individuals affected live better lives.