Amphetamine and dextroamphetamine (Adderall, Adderall XR) and Concerta (methylphenidate) are drugs prescribed for the treatment of ADHD (attention-deficit hyperactivity disorder) and narcolepsy. Side effects, drug interactions, warnings and precautions, and patient safety information should be reviewed prior to taking any . Concerta is a popular stimulant medication primarily used to treat ADHD in adults and children ages 6 and up. A single dose lasts up to 12 hours, and is designed to improve focus, and decrease impulsivity and hyperactive behavior while active. Below, learn more about Concerta’s uses, dosages, side effects, and reported benefits. CONCERTA ® is the only ADHD treatment with the unique OROS ® delivery system. One morning dose slowly releases methylphenidate at an increasing rate throughout the day. Adults with ADHD typically start on a daily dose of 18 or 36 mg of CONCERTA ®. But your dose may need to be adjusted to achieve better results. This approach is called .