An inhaler comprising: at least one cover element (11, 12) individual reservoirs formed on a substrate support means (50) that are movable between a non-dispensing position and a dispensing position reservoir-opening means (80) displacement means (30) for displacing said reservoir substrate in a first direction, said reservoir substrate also being displaceable between said non-dispensing position and said dispensing position in which said opening means open a respective reservoir loading means (51) for urging said movable support means towards said dispensing position blocking means (100) for retaining said movable support means in the non-dispensing position trigger means (60) that are actuated by inhalation and connection means (1000) for displacing said reservoir substrate in said first direction when said at least one cover element is displaced, said connection means being activated while said movable support means are being displaced towards said dispensing position while the user is inhaling, and being deactivated in the absence of any inhalation.
