10mg adderall blue is the first-choice treatment for attention-deficit/hyperactivity disorder (ADHD) that has been used safely for decades. As a stimulant, it can cause difficulty sleeping and dependence problems. Adderall contains a combination of amphetamine and dextroamphetamine. Amphetamine and dextroamphetamine are central nervous system stimulants that affect chemicals in the brain and nerves that contribute to hyperactivity and impulse control.