Generic Concerta is called methylphenidate extended-release (ER). There are several pharmaceutical companies that make generic versions of Concerta that are equivalent to the brand-name product. Methylphenidate hydrochloride extended-release (ER) is a drug approved by FDA to treat attention deficit-hyperactivity disorder (ADHD) in adults and children ages six and older. Discover what generic Concerta is, its bioequivalence to the brand, and crucial insights for patients considering this medication. Methylphenidate ER (Concerta, Relexxii) is an expensive drug used to treat attention-deficit hyperactivity disorder (ADHD). It is also used to treat narcolepsy. This drug is slightly more popular than comparable drugs. It is available in brand and generic versions. Concerta is used to treat attention deficit disorder (ADD) and attention deficit hyperactivity disorder (ADHD). Learn about side effects, interactions and indications. A number of manufacturers make generic versions of Concerta, including some that are not guaranteed to have the same osmotic-controlled release oral delivery system (OROS) as the original Concerta. The only “authorized generic” is currently made by Patriot Pharmaceuticals, a wholly-owned subsidiary of Janssen. CONCERTA ® is a central nervous system (CNS) stimulant prescription medicine used for the treatment of attention deficit and hyperactivity disorder (ADHD) in people 6 to 65 years of age. CONCERTA ® may help increase attention and decrease impulsiveness and hyperactivity in people with ADHD. Wondering when a generic version of Concerta will be available? Get details on FDA approval status, generic manufacturers, and patent expirations. The FDA is proposing to withdraw approval of two generic versions of Concerta (methylphenidate hydrochloride) extended-release (ER) capsules, used to treat attention-deficit hyperactivity. 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.