A multi-layered film preparation

摘要

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.