Device (1) for nebulisation of a physiological liquid including a cup-shaped body (2) defining a reservoir for the physiological liquid a cap (7) couplable in a fluid-tight manner to a lateral wall (4) of the cup-shaped body at least one nebulisation nozzle (8) carried by the cap and pumping means (10) integrally carried by the cup-shaped body in which the cap (7) integrally carries a dispensing valve (11) with press-opening provided with a nipple (12) which projects cantilevered from the cap to removably receive the nebulisation nozzle and which is provided, on the opposite side of the nipple, with a tube (20) connected to the nipple and which extends within the cup-shaped body the pumping means including a suction opening (21) for ambient air and a delivery opening (22) closed by a non-return valve (23) and which opens within the cup-shaped body, beyond a maximum filling level thereof (L).
