The invention relates to a disposable inhaler intended for single use and for substances in powder form which comprises a preferably elongated shape body (1, 18) arranged to, at least partially be inserted in the users mouth, including one or more air channels (2ab, 19) arranged in the shape of the body (1, 18), that a foil (3, 20) is arranged with inlet holes (4ab, 21) and an outlet holes (5ab, 22) in connection with the air channels (2ab,19), that a substance in powder form is placed in the air channels (2ab,19), that the foil (3, 20) is arranged to, in the inhaler storage mode, cover the inlet and outlet holes (4ab, 21, 5ab, 22) and thus prevent the substance in powder form to fall out of the inhaler air channels (2ab, 19), and that tape (6, 23) is removable to be able to use the inhaler and when it is removed exposes the inhaler in-and outlet holes (4ab, 21,5ab, 22) and thus facilitates that the substance in powder form, which is placed in the air channel (2ab, 19), can leave the air channel (2ab, 19) using the airflow that occurs when the user inhales, through the inhaler..The invention is achieved through that the air channel (2ab, 19) is arranged with a canted end-wall (8, 25) near the outlet hole (5ab, 22), the canted end-wall (8, 25) is helping to angle the airstream out of the air channel (2ab, 19) obliquely upward at its outlet.Linvention concerne un inhalateur jetable destiné à une utilisation unique et pour des substances sous forme de poudre qui comprend un corps (1, 18) de forme de préférence allongée, agencé pour être inséré au moins partiellement dans la bouche dun utilisateur, comprenant un ou plusieurs canaux à air (2ab, 19) agencés dans la forme du corps (1, 18), une feuille (3, 20) étant agencée avec des trous dentrée (4ab, 21) et des trous de sortie (5ab, 22) en liaison avec les canaux à air (2ab, 19), une substance sous forme de poudre étant placée dans les canaux à air (2ab, 19), la feuille (3, 20) étant agencée, dans le mode dentreposage de
