PROBLEM TO BE SOLVED: To provide a method for producing inhaling powder with excellent dispersivity in which an active ingredient is uniformly distributed.SOLUTION: A method for producing inhaling powder includes: a first mixing step of obtaining a mixture of carriers and a first active ingredient by stirring the first active ingredient and the carriers under the presence of pulverizing media and mixing the first active ingredient with the carriers while pulverizing the first active ingredient and a second mixing step of adding particulate powder to the mixture obtained in the first mixing step, and performing stirring mixing under the presence of the pulverizing media.COPYRIGHT: (C)2014,JPO&INPIT【課題】 有効成分が均一に分布し,しかも分散性に優れる吸入用パウダーの製造方法を提供する。【解決手段】 本発明は,第1の有効成分と担体を粉砕媒体の存在下に撹拌し,第1の有効成分を解砕しつつ,担体と混合することで担体及び第1の有効成分の混合物を得る第1の混合工程と,第1の混合工程で得られた混合物に,微粒粉体を添加し,粉砕媒体の存在下に撹拌混合する第2の混合工程と,を含む,吸入用パウダーの製造方法に関する。【選択図】図1
