| abstract |
An object of the present invention is to provide an external preparation for medicine which is excellent in efficacy, in particular, an external preparation for percutaneous absorption and an external preparation for wound treatment. A composition for improving the efficacy of a drug, comprising a copolymer of acrylic acid and an alkyl methacrylate. By preparing a pharmaceutical external preparation containing the same, an external preparation excellent in transdermal absorbability and effectiveness can be obtained. In particular, an external pharmaceutical preparation containing an acrylic acid / alkyl methacrylate copolymer and a blood circulation promoter is excellent in percutaneous absorbability and effectiveness. [Selection diagram] None |