High Quality Content by WIKIPEDIA articles! Adderall is a brand name of amphetamine salts–based medication used for attention-deficit hyperactivity disorder and narcolepsy. It is a brand-name psychostimulant medication composed of racemic amphetamine aspartate monohydrate, racemic amphetamine sulfate, dextroamphetamine saccharide, and dextroamphetamine sulfate, which are all amphetamine salts. It is thought to work by increasing the amount of dopamine and norepinephrine in the brain. In addition, the drug also acts as a potent dopamine reuptake inhibitor and norepinephrine reuptake inhibitor. It is available in two formulations: IR (Instant Release) and XR (Extended Release). The immediate release formulation is indicated for use in Attention Deficit Hyperactivity Disorder (ADHD) and narcolepsy, while the XR formulation is approved for use only with ADHD.