Uses: This combination medication is used as part of a total treatment program to control attention deficit hyperactivity disorder (ADHD). It may help to increase the ability to pay attention, stay focused, and control behavior problems. This product is a combination of stimulants (amphetamine and dextroamphetamine). It is thought to work by restoring the balance of certain natural substances (neurotransmitters) in the brain. This drug may also be used to treat certain sleeping disorders (narcolepsy). It should not be used to treat tiredness or to hold off sleep in people who do not have a sleep disorder.