An Inhaler (10) comprising a housing (11) for receiving a Strip having a Plurality of blisters,Each blister having a lid which can be drilled and containing a dose of Medicament for Inhalation by a user.A Nozzle (13) mounted in a housing (11) and through which a dose of medicine is inhaled by a user.A member (15) Drilling blister Mounted to rotate about a First Axis, and a Trigger Mechanism which includes a trigger Lever (81) Mounted for rotation about aSecond Axis to move sequentially each blister to alignment with the Member (15) Drilling blister.Where the trigger Lever (81) cooperates with the Member (15) Drilling blister so the Member (15) Drilling blister revolves around the first axis in answerTo the rotation of the lever (81) activation from an initial position around the second Axis to drill the lid of a blister aligned and thus generates a Flow of Air through the blisterTo drag the dose contained in it and Carry it through the nozzle (13), the Airways of the user when a user inhales through the mouthpiece (13),The Inhaler (10) comprising a member of load control of the Activating Lever to control the force to be applied to the lever (81) activation to rotate from the PossiInitial Training in such a way that applies a force to the load Lever (81) activation through all, or at least a substantial part of the career of the trigger Lever (81),Characterized by the load control Member comprises a cantilever (82) on the lever (81) Activation and a Ramp (300) on the housing (11),The ramp is formed (300) to change the degree of deviation of the cantilever (82) during the career of the trigger Lever (81),And the ramp (300) is formed in such a manner that the load applied to the cantilever (82) increases gradually until the Member (15) Drilling blister begins to swing around the PFirst AxisUn 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 conteniendo u