PROBLEM TO BE SOLVED: To provide pharmaceutical compositions containing low dosages of desmopressin.SOLUTION: A pharmaceutical composition for treating or preventing nocturia contains 0.5 ng to 2000 ng of desmopressin.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】低用量デスモプレシンを含有する医薬組成物を提供すること。【解決手段】0.5ng~2000ngのデスモプレシンを含んでなる、夜間頻尿症の治療又は予防のための医薬組成物。【選択図】なし