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. Concerta is used to treat attention deficit disorder (ADD) and attention deficit hyperactivity disorder (ADHD). Learn about side effects, interactions and indications. CONCERTA is a CNS stimulant indicated for the treatment of attention deficit hyperactivity disorder (ADHD) in patients aged 6 to 65 years old. (1) 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 (methylphenidate) is a prescription drug that treats ADHD. Its mechanism of action is to increase the availability of certain brain chemicals involved in focus and concentration. 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 drug doctors prescribe to help treat attention deficit hyperactivity disorder (ADHD) in some adults and children. Concerta belongs to a group of drugs called stimulants. Detailed dosage guidelines and administration information for Concerta (methylphenidate hydrochloride). Includes dose adjustments, warnings and precautions.