PROBLEM TO BE SOLVED: To provide a pharmaceutical composition containing loxoprofen or salt thereof, wherein the pharmaceutical composition is resistant to color change even when it is stored under high temperature condition and has excellent storage stability.SOLUTION: A pharmaceutical composition contains loxoprofen or salt thereof and isovaleryl urea derivatives.COPYRIGHT: (C)2014,JPO&INPIT【課題】高温条件で保存されたとしても着色変化が生じにくく保存安定性に優れた、ロキソプロフェン又はその塩を含有する医薬組成物の提供。【解決手段】ロキソプロフェン又はその塩とイソバレリル尿素誘導体とを含有する医薬組成物。【選択図】なし