methylphenidate

A drug, C₁₄H₁₉NO₂, chemically related to amphetamine, that acts as a mild stimulant of the central nervous system and is used in its hydrochloride form to treat attention deficit hyperactivity disorder and narcolepsy.

A stimulant used to treat attention-deficit hyperactivity disorder

central nervous system stimulant (trade name Ritalin) used in the treatment of narcolepsy in adults and attention deficit disorder in children