There is provided an inhalation device suitable for dispensing medicament, particularly medicament for use in the treatment of respiratory disorders. The device comprises a body; a medicament carrier, locatable within said body; a mouthpiece, reversibly movable from a storage position wherein said mouthpiece is within the body to an in-use position wherein a portion of the mouthpiece protrudes from the body and wherein the mouthpiece is in communication with the medicament carrier to allow passage of medicament therebetween; and a mouthpiece actuator coupled to the mouthpiece such that actuation of the mouthpiece actuator moves the mouthpiece towards said storage position and deactuation of the mouthpiece actuator moves the mouthpiece towards the in-use position. The body is shaped to be holdable in one hand and the mouthpiece actuator is actuable in response to a motion of the thumb on the same hand.