An inhalation actuable dispenser utilizing an aerosol medicament-dispensing container equipped with a metering valve movable between an inner, charging position and an outer, discharging position, and further equipped with a spring biasing the metering valve outwardly toward its discharging position. The dispenser includes a latch for releasably retaining the metering valve in its charging position in opposition to the biasing action of the spring, and includes an inhalation responsive vane for releasing the latch so that the spring moves the metering valve to its discharging position to deliver a metered amount of medicament to a stream of air being inhaled by a patient.