PROBLEM TO BE SOLVED: To provide a therapeutic agent that can be applied to reactive attachment disorder, is safe in administration for the long term, and can be taken easily.SOLUTION: A reactive attachment disorder therapeutic agent comprises oxytocin as an active ingredient.COPYRIGHT: (C)2015,JPO&INPIT【課題】本発明は、愛着障害に適用できる、長期投与をしても安全で、服用が簡便な治療剤を提供する。【解決手段】オキシトシンを有効成分として含有する愛着障害治療剤。【選択図】図2