A multi-layered film preparation has a drug containing layer which contains a water-soluble high molecular weight substance as a main base material, has on one surface thereof a layer difficult to dissolve in water, and carries on the other surface an adhesive substance or contains therein the adhesive substance in a dispersed state.
The film preparation is easy in handling thereof and shows good adhesiveness to the mucous membrane in the oral cavity, even if it has been remarkably moisted, and gives no bad feeling in use.
一种多层膜制剂具有含药层,该层含有
水溶性高分子量物质作为主要基材,在其一个表面上有一层难溶于
水的层,在另一个表面上带有粘合剂物质或其中含有分散状态的粘合剂物质。
这种薄膜制剂易于操作,即使在明显
潮湿的情况下也能与口腔黏膜保持良好的粘附性,使用时不会产生不良感觉。