Methylphenidate (MPH) is an amphetamine-like prescription stimulant commonly used to treat Attention Deficit Hyperactivity Disorder (ADHD) in children and adults. It is also one of the primary drugs used to treat symptoms of traumatic brain injury and the daytime drowsiness symptoms of narcolepsy and chronic fatigue syndrome. Brand names of drugs that contain methylphenidate include Ritalin (Ritalina), Concerta (a timed-release capsule), Metadate, Methylin, and Rubifen. Focalin is a preparation containing only dextro-methylphenidate, rather than the usual racemic dextro- and laevo-methylphenidate mixture of other formulations. This medication is often prescribed for children who are believed to have attention-deficit hyperactivity disorder (ADHD)
Ritalin (methylphenidate) is a central nervous system (CNS) stimulant. It has effects similar to, but more potent than, caffeine and less potent than amphetamines. Because stimulant medicines such as Ritalin have such a high potential for abuse, the U.S. Drug Enforcement Administration (DEA) has placed tight, Schedule II controls on their manufacture, distribution, and prescription. For example, the DEA requires special licenses for these activities, and prescription refills are not allowed. Also, each state may impose further regulations and restrictions, such as limiting the number of dosage units per prescription.
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