Inhaler

An inhaler comprising:

• a main body;
• and
• a drawer configured to open out of and close into the main body between an open position and a closed position, the drawer comprising:
• a spin chamber comprising a primary recess configured to receive air to mix with contents of a capsule and a secondary recess configured to hold the capsule, wherein when the drawer is in the open position, the secondary recess is exposed to receive a new capsule therein or to withdraw a used capsule therefrom, and when the drawer is in the closed position, the capsule is enclosed within the inhaler;
• and
• perforating means configured to perforate the capsule, the perforating means configured to move away from a resting position toward a perforating position as the drawer moves into the main body from the open position towards the closed position, wherein set at the perforating position, the perforating means is positioned within the secondary recess such that the perforating means is configured to perforate the capsule, and
• wherein the perforating means is configured to move from the perforating position to the resting position as the drawer moves into the main body from the open position towards the closed position, such that when the drawer is in the closed position, the perforating means is in the resting position.