Define Ritalin
Ritalin is the brand name for methylphenidate, a prescription stimulant medication. It is used mainly to treat attention-deficit/hyperactivity disorder (ADHD) and, in some cases, narcolepsy, a condition associated with excessive daytime sleepiness. Because methylphenidate affects the central nervous system and can be misused, it should be taken only under the direction of a qualified healthcare … Read more