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 ® 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 (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 is a CNS stimulant indicated for the treatment of attention deficit hyperactivity disorder (ADHD) in patients aged 6 to 65 years old. (1) Detailed dosage guidelines and administration information for Concerta (methylphenidate hydrochloride). Includes dose adjustments, warnings and precautions. 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 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. 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.