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- Concerta Both Concerta and Ritalin LA treat attention deficit hyperactivity (ADHD). They both contain the same medication the methylphenidate. But they release it in different ways within your body. Concerta has been proven in clinical studies to decrease inattention in both adults and children. It also improves certain of their other ADHD symptoms. What is Concerta? Concerta is a methylphenidate-based drug that belongs to the group of drugs known as stimulants. It works by