It is severe infantile brain disorder of genetic origin. (Gen SCN1A). The age of the illness onset is between 4 and 12 years old. In Spain it has an incidence of 200 to 400 children, from which only less than 100 are diagnosed cases.
Approximately 25% of children suffering Darvet syndrome have family records or outgrow the febrile seizures.
The goal of the treatment is to reduce the seizures. Neurologists normally prescribe benzodiazepines and valproate. Should these seizures not be controlled, it is advisable to follow with topiramate or stiripentol.
As an alternative treatment, it is advisable to conduct a ketogenic diet (a high-fat, adequate-protein, low-carbohydrate diet) but never without expert team supervision. There is no surgical treatment.