The drug that contains only dextrorotatory methylphenidate is sometimes called d-TMP, although this name is only rarely used, and it is much more commonly referred to as dexmethylphenidate, d-MPH, or d-threo-methylphenidate. The typical dosage for Concerta starts at 18 milligrams (mg) daily for children, adolescents, and adults or 36 mg in adults.1 Children may take up to 54 mg daily, and adolescents and adults may take up to 72 mg daily. Concerta is a stimulant ADHD medication used to treat symptoms of ADHD in children and adults. Learn about side effects, uses, dosages, and warnings. Find patient medical information for Methylphenidate (Concerta, Ritalin, and others) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings All of this may help your child manage ADHD symptoms at school, at home, and at play. CONCERTA ® is approved for doses up to 54 mg per day in children and 72 mg per day in adolescents. Children are typically started on a daily dose of 18 mg of CONCERTA ®. Everything you need to know about Concerta (methylphenidate ER) for adult ADHD. How it works, typical dosing, side effects, and how to get prescribed through ADHD One. Concerta is used to treat attention deficit disorder (ADD) and attention deficit hyperactivity disorder (ADHD). Learn about side effects, interactions and indications. Concerta (methylphenidate) is a prescription drug approved to treat attention deficit hyperactivity disorder (ADHD). Concerta comes as an extended-release oral tablet. Detailed dosage guidelines and administration information for Concerta (methylphenidate hydrochloride). Includes dose adjustments, warnings and precautions. Find out the dosages of Concerta for helping treat ADHD in adults and children. You can also learn about the drug's form and strengths.