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. Concerta (methylphenidate) is a prescription drug approved to treat attention deficit hyperactivity disorder (ADHD). Concerta comes as an extended-release oral tablet. Methylphenidate is used to treat attention deficit hyperactivity disorder (ADHD). It belongs to the group of medicines called central nervous system (CNS) stimulants. 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 Concerta is used to treat attention deficit disorder (ADD) and attention deficit hyperactivity disorder (ADHD). Learn about side effects, interactions and indications. CONCERTA ® is the only ADHD treatment that combines a medication called methylphenidate, with the unique OROS ® delivery system. Just one morning dose of CONCERTA ® slowly releases medication at an increasing rate throughout the day. 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. Detailed dosage guidelines and administration information for Concerta (methylphenidate hydrochloride). Includes dose adjustments, warnings and precautions. Concerta is a stimulant medication that works on your central nervous system (CNS) to treat ADHD. Concerta is believed to increase the levels of two brain chemicals: norepinephrine and dopamine.