An inhaler, the inhaler including a body (104) and a cartridge (106), the cartridge comprising a dose storage portion (122) and an airway (124), the dose storage portion being suitable for containing a plurality of doses of an inhalable medicament, the airway including a mouthpiece (128) at an end thereof, the inhaler device configured and arranged such that a dose of inhalable medicament from the dose storage portion can be accessed and arranged in a delivery configuration for delivery to a user through the airway upon inhalation through the mouthpiece by the user, the inhaler characterized in that the cartridge is replaceably removable from the body.