An inhaler (10) is disclosed. It comprises a housing (12) to receive a strip (3) having a plurality of blisters (3a), each blister having a breachable lid and containing a dose of medicament for inhalation by a user, an indexing wheel (15) mounted in the housing rotatable to drive a strip to sequentially move blisters into alignment with a blister piercing member (8), a control element (14) pivotally mounted to the housing and a drive mechanism (17) configured to couple the control element to the indexing wheel during part of the rotation of the control element by a user so that the indexing wheel rotates together with the control element.
