Case ReportsNocturnal Eating/Drinking Syndrome With Restless Legs Syndrome Caused by Neuroleptics Improved by Yi-Gan San Add-on Treatment: A Case ReportKawabe, Kentaro MD*; Ueno, Shu-ichi MD, PhD*; Hosoda, Yoshiki MD†; Horiguchi, Jun MD, PhD‡Author Information *Department of Neuropsychiatry, Ehime University Graduate School of Medicine, Japan; †Horie Hospital, Ehime, Japan; and ‡Department of Psychiatry, Shimane University School of Medicine, Shimane, Japan. Conflicts of Interest and Source of Funding: The authors have no conflicts of interest to declare. Address correspondence and reprint requests to Kentaro Kawabe, MD, Department of Neuropsychiatry, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime, 791-0295, Japan; E-mail: firstname.lastname@example.org Clinical Neuropharmacology: November/December 2012 - Volume 35 - Issue 6 - p 290-291 doi: 10.1097/WNF.0b013e3182746a5b Buy Metrics Abstract Nocturnal eating/drinking syndrome is characterized by awakening in the middle of the night, getting out of bed, and consuming large quantities of food quickly and uncontrollably. We report a middle-aged male patient with schizophrenia who had nocturnal eating/drinking syndrome with restless legs syndrome whose condition improved with the administration of the herbal medicine Yi-Gan San (Yokukan-San in Japanese). © 2012 Lippincott Williams & Wilkins, Inc.