PROBLEM TO BE SOLVED: To provide an antipruritic agent that suppresses pruritus caused by insect bites, a hyperesthetic skin or the like, and replaces it with a feeling of stimulation, thereby to immediately suppress pruritus.SOLUTION: The antipruritic agent comprises butylhydroxytoluene (shown as BHT) as an active ingredient. Preferably the antipruritic agent comprises 1.5 wt.% of BHT mixed in a dissolved state in 100 wt.% of a formulation.COPYRIGHT: (C)2008,JPO&INPIT【課題】虫さされ、知覚過敏肌等のかゆみを抑制し、さらに刺激感に置換し、即効的にかゆみを抑制することも可能な鎮痒剤を提供する。【解決手段】ブチルヒドロキシトルエンを有効成分として含有する鎮痒剤。【選択図】なし