PROBLEM TO BE SOLVED: To provide a method for the prevention or treatment of depression with immediate effectivity.SOLUTION: A method for the prevention or treatment of deprssion includes administering an effective amount of anti-IL-6 receptor antibody.SELECTED DRAWING: NoneCOPYRIGHT: (C)2019,JPO&INPIT【課題】即効性のあるうつ病の予防又は治療方法の提供。【解決手段】抗IL-6受容体抗体の有効量を投与することを特徴とするうつ病の予防又は治療方法。【選択図】なし