Ritalin is the common name for methylphenidate, classified by the Drug Enforcement Administration as a Schedule II narcotic—the same classification as cocaine, morphine, and amphetamines. It is a central nervous stimulant effect that helps to treat ADHD and Narcolepsy. Even when Ritalin is used as a prescription drug, it may have severe effects including nervousness, pulse changes, heart problems, and weight loss. The manufacturer says it is a drug of dependency. It is available in Ritalin 10mg And Ritalin 20 mg. Ritalin is available in a variety of short, intermediate, and long-acting forms. Focalin (dexmethylphenidate) and Focalin XR are made of just one part or isomer of Ritalin. These medicines leave out another part, which is inactive and may contribute to side effects. Doses of stimulants don't usually depend on a child's weight, so your pediatrician will usually start with a low dose and then work upwards until it usually works or is causing side effects. Although most forms o