Dexedrine is a prescription medication used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy. It contains the active ingredient dextroamphetamine, a central nervous system stimulant that helps increase attention and decrease impulsiveness and hyperactivity in patients with ADHD. For those with narcolepsy, it helps improve wakefulness. Dexedrine 5 mg & Dexedrine 10 mg