Ketogenic Diet Effects on the Frequency of Non Epileptic Seizures

Inclusion Criteria: * Patients who have a record at the institute and who have a diagnosis of a dissociative neurological symptom disorder with non-epileptic seizures with a certainty of at least clinically established who have a monthly seizure frequency greater than 3. * Patients with the characteristics described above with comorbid epilepsy but who have not presented epileptic seizures in the last month. * Patients with the aforementioned characteristics and who give their informed consent in writing to participate in the study. * Patients who, once the diet has been explained to them, consider it feasible to implement it at least for the follow-up time. Exclusion Criteria: * Patients with metabolic or hemodynamic instability, liver failure, inability to tolerate the oral route, acute pancreatitis or pregnancy due to the possible teratogenic effect that has not yet been elucidated. * Patients with metabolic disorders such as primary carnitine deficiency, palmitoyltransferase carnitine I or II deficiency, carnitine translocase deficiency, beta oxidation defects, pyruvate carboxylase deficiency, porphyria and other fatty acid transport and oxidation disorders.