Adderall is a potent amphetamine, which is a type of medcine that arouses the body’s central nervous system (CNS) into a more wakeful or active state.4 For those with ADHD, a condition with hyperactive-impulsive or inattentive symptoms, Adderall can have the opposite effects. That is, instead of increasingly stimulating patients, Adderall paradoxically allows people with ADHD to become more functional. Adderall bascially used to treate the ADHD.