Objective: To report the successful use of lisdexamfetamine in the management of narcolepsy. Methods: Five narcoleptic patients received lisdexamfetamine, at different dosages and for different periods, for management of excessive daytime sleepiness and weight control. Results: All patients experienced improvement of excessive daytime sleepiness and lost weight without side effects. Conclusion: Lisdexamfetamine appears promising for the treatment of two of the most common symptoms of narcolepsy: excessive daytime sleepiness and weight gain.