PROBLEM TO BE SOLVED: To provide a medicinal composition containing a herbal medicine and the like having excellent storage stability, a storage stabilizer for a medicinal composition containing a herbal medicine, and a stabilizing method. SOLUTION: The following components (A-6) and (B): (A-6) a component selected from capsicum tincture and capsicum extract: 0.01 to 15 in terms of a drug substance based on the total mass of the pharmaceutical composition. A pharmaceutical composition containing mass% (B) loxoprofen or a salt thereof, which is a hydrous composition and a poultice. [Selection diagram] None【課題】保存安定性に優れた生薬等含有医薬組成物、並びに生薬等含有医薬組成物の保存安定化剤及び安定化方法の提供。【解決手段】次の成分（Ａ－６）及び（Ｂ）：（Ａ－６）トウガラシチンキ及びトウガラシエキスから選ばれる成分：医薬組成物全質量に対して原生薬換算量で０．０１～１５質量％（Ｂ）ロキソプロフェン又はその塩を含有し、含水組成物であり、且つパップ剤である医薬組成物。【選択図】なし
