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Methylphenidate, brand name Ritalin, is an amphetamine-like central nervous system stimulant used to treat attention-deficit hyperactivity disorder (ADHD) in children, adolescents, and adults, as well as narcolepsy. 1 It is a Schedule II controlled substance.
Ritalin Â® (methylphenidate hydrochloride) is a prescription medicine used for the following conditions: 1  Treatment of attention deficit hyperactivity disorder (ADHD). 2  Treatment of narcolepsy.