Allergic reaction to methylphenidate.
D002675:Child, Preschool; D004342:Drug Hypersensitivity / Q000209:etiology*; D005260:Female; D006801:Humans; D006948:Hyperkinesis / Q000188:drug therapy; D008774:Methylphenidate / Q000009:adverse effects* / Q000627:therapeutic use
D008774:Methylphenidate