A spacer chamber for an inhaler includes a housing chamber, a mouthpiece arranged on a side of the housing chamber, and a connecting means arranged on the housing chamber opposite to the mouthpiece to connect the inhaler. A lever means is held on the housing chamber which is movable to two positions and has an active surface that is arranged in such a manner that the active surface can act on an activation element of the inhaler in any one of the positions, if the inhaler is connected to the connecting means. The lever means includes a lever element and a lever carrier for carrying the lever element, which is fastened to the housing chamber.