title: Successfully treated delirium in an extremely elderly patient by switching from risperidone to ramelteon.
authors: Akihiro
authors: A
authors: Tsuda
authors: Katsuji
authors: K
authors: Nishimura
authors: Eiko
authors: E
authors: Naganawa
authors: Tempei
authors: T
authors: Otsubo
authors: Jun
authors: J
authors: Ishigooka
mesh_terms: D000369:Aged, 80 and over; D014150:Antipsychotic Agents / Q000627:therapeutic use; D003693:Delirium / Q000188:drug therapy*; D006801:Humans; D007192:Indenes / Q000627:therapeutic use*; D008297:Male; D044094:Receptors, Melatonin / Q000819:agonists*; D018967:Risperidone / Q000627:therapeutic use
chemical_list: D014150:Antipsychotic Agents; D007192:Indenes; D044094:Receptors, Melatonin; C495910:ramelteon; D018967:Risperidone