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Vyvanse is a medication that is FDA-approved to treat attention deficit hyperactivity disorder (ADHD) in adults and in children who are at least 6 years old. It is also used to treat moderate to severe binge eating disorder in adults .
Vyvanse contains the active ingredient lisdexamfetamine dimesylate. It is classified as a central nervous system stimulant and works by improving the way parts of the brain communicate with each other .