PROBLEM TO BE SOLVED: To provide an ointment for the oral cavity, having excellent coatability to a diseased part, initial and sequential retentivity at the diseased part, and preservation stability.SOLUTION: The ointment for the oral cavity contains (a) 0.1-1.0 mass% of an alginate providing 1 mass% aqueous solution having viscosity (at 20°C) of 5-100 mPa s, and (b) 2.0-12.0 mass% of a carboxyvinyl polymer, regulated so that the ratio [(b)/(a)] of the contents of the components (b) to (a) may be 5-50, and the pH may be &ge3.0 and <6.00 [with the proviso that the ointment for the oral cavity containing 0.2-0.44 mass% of the component (a) is excluded].COPYRIGHT: (C)2012,JPO&INPIT【課題】患部への塗布性、患部への初期及び経時滞留性に優れ、保存安定性に優れた口腔用軟膏を提供する。【解決手段】(a)1質量%水溶液の粘度(20℃)が5~100mPa・sであるアルギン酸塩0.1~1.0質量%と、(b)カルボキシビニルポリマー2.0~12.0質量%とを含有し、(b)/(a)で表される(a)成分と(b)成分との含有質量比が5~50であって、pHが3.0以上6.00未満である口腔用軟膏(但し、(a)成分を0.2~0.44質量%を含有する口腔用軟膏を除く)。【選択図】なし
