PROBLEM TO BE SOLVED: To provide an undiluted gargle composition having bactericidal effect and anti-inflammatory effect, little foaming, good portability, and further, a good feeling of use without bitter taste or irritation, and to provide a method for using the same.SOLUTION: The undiluted gargle composition contains: at least any (component (A)) of a quaternary ammonium salt type bactericide and dipotassium glycyrrhizinate and at least one (component (B)) selected from methyl butyrate, ethyl butyrate, ethyl acetate, pentyl acetate, and hexyl acetate, wherein the content of the component (B) is 0.01-0.1 mass%, and the mass ratio of the component (B) to the component (A), (B)/(A), is 1-5.COPYRIGHT: (C)2012,JPO&INPIT【課題】殺菌作用及び抗炎症作用を有し、泡立ちが少なく、携帯性がよく、更に苦味や刺激のない使用感のよい非希釈含嗽剤組成物及びその使用方法の提供。【解決手段】本発明の非希釈含嗽剤組成物は、第4級アンモニウム塩型殺菌剤及びグリチルリチン酸二カリウムの少なくともいずれか((A)成分)と、酪酸メチル、酪酸エチル、酢酸エチル、酢酸ペンチル、及び酢酸ヘキシルから選ばれる少なくとも1種((B)成分)と、を含有し、前記(B)成分の含有量が0.01質量%~0.1質量%であり、前記(A)成分と前記(B)成分との質量比が(B)/(A)=1~5である。【選択図】なし