As with any diet changes, be sure to consult the doctor before taking the plunge. There are side effects on the ketogenic diet, and although rarely severe, your physician will be able to guide you through the process.
In this way, the ketogenic diet mimics some aspects of starvation while providing adequate nutritional needs. Unlike other diets which limit protein or calorie intake, a properly planned and implemented ketogenic diet does not lead to muscle loss.
Dr. Elaine Wirrell, a pediatric neurologist at Mayo Clinic, describes the ketogenic diet. For more information visit http://mayoclinic.org/epilepsy/children.html.