title: Methylphenidate problems.
mesh_terms: D001289:Attention Deficit Disorder with Hyperactivity / Q000188:drug therapy; D002648:Child; D004335:Drug and Narcotic Control; D006801:Humans; D008774:Methylphenidate / Q000009:adverse effects*; D019966:Substance-Related Disorders; D014481:United States
chemical_list: D008774:Methylphenidate