Methylphenidate is a central nervous system stimulant. It has effects similar to, but more potent than, caffeine and less potent than amphetamines. It has a notably calming and "focusing" effect on those with ADHD, particularly children.
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 RitalinÂ® (RitalinaÂ®, RilatineÂ®, Ritalin LAÂ® (Long Acting)), AttentaÂ®, ConcertaÂ® (a timed-release capsule), MetadateÂ®, MethylinÂ® and RubifenÂ®.