PROBLEM TO BE SOLVED: To provide an inhaler capable of including a plurality of accommodating parts and simplifying a structure thereof.SOLUTION: An inhaler 1 comprises: an outer body 5 including a mouth part 11 that inhales medical agent a cartridge part 6 that are swingably supported inside the outer body 5 and includes a plurality of accommodating parts 26 that are arranged at intervals of the same angle and in a spiral manner, and that accommodate the medical agent in a sealing manner a nozzle part 7 that is arranged inside the outer body 5, and that sequentially opens the accommodating parts 26 and fluidly connects inside of the accommodating parts 26 and the mouth part 11 an operating part 8 that swings the cartridge part 6 by an angle between the accommodating parts 26: an information displaying parts 25c that are arranged on a main surface of the cartridge part 6 at the same angle as that of the accommodating parts 26 in a spiral manner, and in which information of the accommodating parts 26 is described and a window frame part 14b that is arranged in the outer body 5, and that displays the information displaying parts 25c.COPYRIGHT: (C)2015,JPO&INPIT【課題】複数の収容部を備えることが可能、且つ、構成の簡素化が可能な吸入器を提供すること。【解決手段】 吸入器1を、薬剤を吸入する口部11を備える外郭体5と、外郭体5内に回動可能に支持され、等角度間隔であって、且つ、螺旋状に配置されるとともに薬剤を密封して収容する複数の収容部26を備えるカートリッジ部6と、外郭体5内に設けられ、収容部26を順次開封して収容部26内と口部11とを、流体的に連続するノズル部7と、カートリッジ6部を収容部26間の角度で回動させる操作部8と、カートリッジ部6の主面に設けられ、収容部26と同じ角度間隔であって、且つ、螺旋状に配置された収容部26の情報が記載された情報表示部25cと、外郭体5に設けられ、情報表示部25cを表示させる窓枠部14bと、を備える構成とする。【選択図】 図5