IntroductionFocalin XR, the extended-release version of dexmethylphenidate, is a stimulant medication primarily used to treat attention deficit hyperactivity disorder (ADHD). This extended-release formulation provides long-lasting symptom control throughout the day with just one dose. Dexmethylphenidate, the active ingredient, is the more potent form of methylphenidate, which is found in medications like Ritalin and Concerta. Focalin …