Concerta XL 27 mg prolonged-release tablets - Summary of Product Characteristics (SmPC) by Janssen-Cilag Ltd Pictures of Concerta (Methylphenidate Extended-Release Tablets), drug imprint information, side effects for the patient. Many think Concerta (methylphenidate) is safe, or mild, because so many children use it. However, the government classifies the psychoactive drug with cocaine and morphine because it is highly addictive. Use of opioids during pregnancy can result in a drug withdrawal syndrome in newborns called neonatal abstinence syndrome or neonatal opioid withdrawal syndrome (NAS/NOWS). WARNING. DRUG DEPENDENCE. CONCERTA® should be given cautiously to patients with a history of drug dependence or alcoholism. Chronic abusive use can lead to marked tolerance and psychological dependence with varying degrees of abnormal behavior. Methylphenidate is used as part of a treatment program to control symptoms of attention deficit hyperactivity disorder (ADHD; more difficulty focusing, controlling actions, and remaining still or quiet than other people who are the same age) in adults and children. Concerta is used to treat attention deficit disorder (ADD) and attention deficit hyperactivity disorder (ADHD). Learn about side effects, interactions and indications. WARNING: DRUG DEPENDENCE. Concerta ® should be given cautiously to patients with a history of drug dependence or alcoholism. Chronic abusive use can lead to marked tolerance and psychological dependence with varying degrees of abnormal behavior. An overdose of Concerta, accidental or otherwise, can cause psychological effects that can be extreme. Some experience a sense of agitation or confusion; others can experience the opposite in the form of an inappropriate state of happiness, according to the NIH and the National Library of Medicine website MedlinePlus. People taking Concerta generally start with a low dose of the drug. As this eMedTV resource explains, the amount is then increased slowly, if needed. This page also offers some helpful tips on when and how to take your Concerta dosage.