Antidepressant Warnings: There have been 151 warnings from 11 countries (Australia, Canada, Denmark, Germany, Ireland, Italy, Japan, New Zealand, Russia, United Kingdom and United States) and the European Union warning that antidepressants cause harmful side effects. 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. 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. 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. Neurofeedback training is also called electroencephalogram (EEG) biofeedback. Neurofeedback may help your child learn how to regulate their brain activity, which will help them concentrate better. Need help paying for your CONCERTA® (methylphenidate HCI) Extended-release Tablets CII prescription? We want to guide you to programs that may help. Many think 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. Concerta (methylphenidate) is a central nervous system stimulant. It affects chemicals in the brain and nerves that contribute to hyperactivity and impulse control. The healthy newsletter: Every article I share with you will contain interesting information to stay abreast of important health issues. Concerta XL 18 mg prolonged-release tablets. - Summary of Product Characteristics (SmPC) by Janssen-Cilag Ltd.