PROBLEM TO BE SOLVED: To provide a composition containing an allylamine-type antimycotic agent and menthol and having increased antimycotic activity and provide a method for increasing the antimycotic activity of an allylamine-type antimycotic agent.SOLUTION: The composition having increased antimycotic activity contains an allylamine-type antimycotic agent and menthol. The allylamine-type antimycotic agent is preferably terbinafine or naftifine. More preferably, the allylamine-type antimycotic agent is terbinafine.COPYRIGHT: (C)2004,JPO【課題】アリルアミン系抗真菌剤の活性を増強する。【解決手段】アリルアミン系抗真菌剤とメントールを配合した抗真菌活性増強型組成物及びアリルアミン系抗真菌剤にメントールを配合する抗真菌活性増強方法。【選択図】 なし。