WHAT IS CONCERTA® (methylphenidate HCl) extended-release tablets? CONCERTA ® is a central nervous system (CNS) stimulant prescription medicine used for the treatment of Attention Deficit and Hyperactivity Disorder (ADHD) in children 6 years of age and older and adults up to 65 years of age. CONCERTA is a CNS stimulant indicated for the treatment of attention deficit hyperactivity disorder (ADHD) in patients aged 6 to 65 years old. (1) CONCERTA® was demonstrated to be effective in the treatment of Attention Deficit Hyperactivity Disorder (ADHD) in 4 randomized, double-blind, placebo-controlled studies in children and. Methylphenidate, sold under the brand name Ritalin and Concerta, [a] among others, is a central nervous system (CNS) stimulant used in the treatment of attention deficit hyperactivity disorder (ADHD) and narcolepsy. Concerta (methylphenidate) is a prescription drug approved to treat attention deficit hyperactivity disorder (ADHD). Concerta comes as an extended-release oral tablet. CONCERTA ® can significantly improve ADHD symptoms in adults, including focus, attention, organization, and the ability to control impulsive behavior. CONCERTA ® is the only ADHD treatment that combines a medication called methylphenidate, with the unique OROS ® delivery system. Concerta is a stimulant ADHD medication used to treat symptoms of ADHD in children and adults. Learn about side effects, uses, dosages, and warnings. Concerta is used to treat attention deficit disorder (ADD) and attention deficit hyperactivity disorder (ADHD). Learn about side effects, interactions and indications. Overview: Methylphenidate is used to treat attention deficit hyperactivity disorder (ADHD) or narcolepsy. It may work by increasing natural chemicals in the brain called norepinephrine and. Methylphenidate is a central nervous system stimulant. It affects chemicals in the brain and nerves that contribute to hyperactivity and impulse control. Methylphenidate is used to treat attention deficit disorder (ADD), attention deficit hyperactivity disorder (ADHD), and narcolepsy.