Abstract: A collapsible inhaler for use with a metered dose inhaler (MDI) dispenser that is operable to dispense a metered dose of medicament therefrom, the inhaler including: an inlet member being adapted to receive an MDI dispenser and having an inlet therein; an outlet member having an outlet therein, a conduit which is pliable and has a distal end associated with the inlet member and a proximal end associated with the outlet member, a support associated with the pliable conduit that is adjustable between an expanded state and a contracted state whereby in the contracted state the inlet member is positioned proximate the outlet member, while in the expanded state the support supports the pliable conduit and combined with the inlet member being spaced from the outlet member that defines a chamber, so that in use a metered dose of medicament can be dispensed from the MDI dispenser through the inlet in the inlet member to mix with air in the chamber and be inhaled by a patient through the outlet in the outlet member, w