Focalin is the name of a drug very similar to Ritalin (Ritalin is methylphenidate, focalin is one form of methylphenidate called dexmethylphenidate). Effects are very similar to but generally more mild than methamphetamine. It is a stimulant like methamphetmaine and it can cause addiction and other dangers. The medical dosage is 20-40mg of dexmethylphenidate a day. If you've never taken Focalin, don't take more then 20 milligrams.
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