Provided is an inhalation device that makes it easy for a user to recognize the timing for replacement and the like of elements required for inhalation of an aerosol or a flavored aerosol. The inhalation device 100A comprises: elements 110 and 104 configured so as to contribute to the generation of an aerosol or a flavored aerosol by consuming stored capacity; a sensor 112 configured so as to detect a predetermined variable; a notification unit 108 configured so as to notify the person inhaling the aerosol; and a control unit 106 configured so as to cause the notification unit 108 to function in a first mode when the detected or estimated capacity is less than a threshold value and the variable satisfies a predetermined condition for requesting generation of the aerosol.