Vyvanse is a stimulant medication used to treat ADHD symptoms in children, adolescents, and adults. It may help to increase the ability to pay attention, stay focused, and stop fidgeting. Vyvanse may also be used to treat binge eating disorder. It may help to reduce the number of binge eating days. This medication is a stimulant. It is thought to work by restoring the balance of certain natural chemicals (neurotransmitters) in the brain. Vyvanse is also used to treat moderate to severe binge eating disorders in adults. This medicine is not to be used for obesity or weight loss.it is exactly prescribed by your doctor.