Drug absorptivity improving agent

摘要

The present invention relates to use of one or two or more selected from polyethylene glycol, polyethylene oxide, and polyoxyethylene polypropylene copolymer where the average number of repeating ethylene oxide units per one chain length contained in a molecule is 17 or greater for producing a drug adsorptivity improving agent on the gastrointestinal mucous layers. It became possible to enhance pharmacological effects by applying it to drugs having anti- H . pylori activity.