Define Etiology and Clinical Features of Epilepsy?

This disorder usually starts in childhood, with the peak incidence between birth and two years. Etiological factors include birth trauma, head injury, brain infection, and metabolic imbalance in the body, neurotoxins or a genetic basis. It may also be idiopathic or of unknown origin. About 1/3^rd persons outgrow this condition and do not require medication. In 1/3^rd drugs can control the seizures. In the remaining, the condition usually gets worse. Any of the etiological factors in epilepsy, can result in intermittent derangemenl of the nervous system due to a sudden excessive disorderly discharge of cerebral neurons.