A dispenser has a body 201 with a mouthpiece 202 and a pivoted mouthpiece cover 203. The mouthpiece is formed as an aperture 2021 in a separate body part 2012 clipped to a main body part 2011. The mouthpiece part is cut away 2014 with respect to the medicament can 211 fitted to the body to define an air inlet exposed by the cover when this is open. The cover is pivoted about an axis 204 low in the body at the joint between the two body parts. Integrally moulded with the cover 203 is a half round shaft 2031, which carries a cam arrangement 205 comprising a pair of cam lobes 2051, 2052 and an intermediate shaft 2053. The can 211 is held in an opening 210 at the upper end of the main body part 2011 by a pair of location pins 2101 in openings 2102 in sidewalls of the body part. A junction member 217 is slidably accommodated in the body with the ribs engaging in grooves 218 in its periphery.