An inhaler (10) comprising a housing (11) for receiving a strip having a plurality of blisters, each blister having a cap that can be pierced and containing a dose of medication for inhalation by a user, a mouthpiece (13 ) mounted in the housing (11) and through which a user inhales a dose of medication, a blister piercing member (15) mounted for rotation around a first axis and a drive mechanism that includes a drive lever (14, 81) mounted for rotation around a second axis to sequentially move each blister and align it with the blister piercing member (15), where the operating lever (14, 81) cooperates with the blister piercing member (15) so that the blister piercing member (15) pivots around said first axis in response to the rotation of the actuating member from an initial position around the second ej e to pierce the lid of an aligned blister, so that an air flow is generated through the blister to catch the dose contained therein and transport it, by means of the mouthpiece (13), to the airways of the user when a user inhales through the mouthpiece (13), the inhaler further comprises a cap (12) and a coupling (80) pivotally mounting the cap (12) in the housing (11) for rotation around a third axis, covering the cap (12) the nozzle (13) in a closed position, characterized in that the housing (11) comprises an enclosure (11a, 11b) and the operating lever (14, 81) is mounted for rotation around the second axis in the envelope (11a, 11b) and includes a mounting plate (20, 23) that extends into a space between the envelope (11a, 11b) and the cap (12).Un inhalador (10) que comprende un alojamiento (11) para recibir una tira que tiene una pluralidad de blísteres, teniendo cada blíster una tapa que se puede perforar y que contiene una dosis de medicamento para su inhalación por un usuario, una boquilla (13) montada en el alojamiento (11) y a través de la cual un usuario inhala una dosis de medicamento, un miembro de perforación del blíster (15) montado para su rotació
