The disclosure relates to an inhaler for inhaling powdery pharmaceuticals from capsules, comprising - a bottom part (6) - a plate (3) received in the bottom part (6), and a mounting (18) introduced in the bottom part (6), - a mouth piece (2) that can be latched to the bottom part (6) on the plate (3), - a cover (1) that covers the mouth piece (2) in a closed position and latches by means of a closure element (14), wherein the bottom part (6) and the cover (1) are rotatably connected to each other by an axis (4), and - an actuating member (7, 10), which can be set in motion from a position of rest and in the process cooperates with at least one needle (8, 11) that can pierce the mounting (18), said needle being located in a needle holder of the inner actuating member (10).; An exchange tube (22) can be inserted in the mounting (18) as a discharge channel, the tube comprising a capsule chamber (21) with the capsule.