Transdermal absorption preparation, transdermal absorption preparation holding sheet, and transdermal absorption preparation holding tool

摘要

It is an object of the present invention to provide a self-dissolving percutaneous absorption preparation or the like having a needle-like or thread-like shape capable of efficiently administering a hardly transdermally absorbable drug or the like. A percutaneous absorption preparation having a needle-like or thread-like shape is prepared using a base made of at least one substance selected from the group consisting of protein, polysaccharide, polyvinyl alcohol, carboxyvinyl polymer, and sodium polyacrylate. . By providing a water-insoluble layer on the surface, holding the target substance in a porous substance, or using a long-lasting target substance, the target substance can be released slowly. A percutaneous absorption preparation holding sheet for holding the percutaneous absorption preparation of the present invention on at least one surface of a support, and a percutaneous absorption preparation holding tool capable of efficiently administering the percutaneous absorption preparation of the present invention are also provided.