Dexedrine, the brand name for dextroamphetamine sulfate, is a powerful central nervous system (CNS) stimulant commonly prescribed for attention-deficit hyperactivity disorder (ADHD) and narcolepsy. First approved by the FDA in the mid-20th century, Dexedrine belongs to a class of drugs known as amphetamines. These drugs increase levels of neurotransmitters like dopamine and norepinephrine in the …