An inhaler (1) has an hollow inhaler body (2) for retaining an aerosol container with a dispensing valve at a valve end of the container. The inhaler body (2) comprises a first open end (3) sized and arranged to receive the aerosol container with a dispensing valve and a second open end (4) through which a dose of medicament is dispensed as an aerosol. The second open end (4) is sized and arranged to be coupled to the mouth or nasal cavities of a patient. The inhaler body (2) further comprises a nozzle block (5) which extends from a base part (6) located at a base portion (12) of the inhaler body (2) towards the first open end (3) and against which the dispensing valve of the aerosol container is depressed to release a dose of a medicament. The nozzle block (5) has a fluid flow path (7) extending therethrough such that the dose of medicament being released from the valve is passed to the nozzle block (5) and exits the nozzle block (5) as an aerosol in a direction towards the second open end (4) of the inhaler body (2).The base part (6) is formed as a part separate from the inhaler body (2) and is insertable through an opening (11) in the base portion (12) of the inhaler body (2) together with the nozzle block (5). The base part (6) is configured to close the opening (11) of the base portion (12) upon insertion into the inhaler body (2).
