PROBLEM TO BE SOLVED: To provide a pharmaceutical composition that can inhibit the unpleasant odor of vitamin B1.SOLUTION: A pharmaceutical composition contains nabumetone as well as vitamin B1 and can inhibit, therefore, the unpleasant odor of vitamin B1 just after the formulation and also inhibit the unpleasant odor of vitamin B1 increasing with time after the formulation.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】本発明の目的は、ビタミンB1類の不快臭を抑制できる医薬組成物を提供することである。【解決手段】ビタミンB1類と共にナブメトンを配合した医薬組成物では、製剤化直後のビタミンB1類の不快臭だけでなく、製剤化後に経時的に増大するビタミンB1類の不快臭をも抑制できる。【選択図】なし