Dispensing device (1, 1') for dispensing a fluid, in particular for medical use, preferably an injection syringe, comprising: - a main body (2, 2') with a longitudinal axis, - a receiving chamber formed in the main body (2, 2') for the fluid, - a dispensing area (4, 4'), which is designed for the arrangement of a cannula communicating with the receiving chamber, or in which a cannula communicating with the receiving chamber is arranged, and through which the fluid can be dispensed from the receiving chamber, - wherein the dispensing device comprises a protective device with a rigid protective body arranged on the main body, wherein the protective body is designed in such a way and is movable with respect to the main body between a standby position and a protective position in such a way that the cannula arranged or able to be arranged in the dispensing area (4, 4') is completely exposed in the standby position, and the protective body, in the protective position, extends completely from the main body over the cannula arranged or able to be arranged in the dispensing area (4, 4'), wherein a trigger means is present which can be triggered directly or indirectly by a user and with which a transfer of the protective body from the standby position to the protective position can be triggered, wherein the trigger means comprises at least one latching tongue which is formed on the protective body and, in the standby position of the protective body, is latched on a latching edge of the main body, wherein a securing means is present with which the protective device can be brought to a secured state and an unsecured state, wherein the protective device in the secured state is secured against a triggering of the transfer from the standby position to the protective position, and, in the unsecured state, the transfer can be triggered, wherein the securing means is designed in such a way that, in the secured state of the protective device, the trigger means is secured by the securing means against being triggered, wherein the dispensing device (1, 1') has an actuating device with a piston which is movable in the receiving chamber and which is movable from an inserted position to a retracted position in order to introduce the fluid into the receiving chamber and is movable in the opposite direction in order to discharge the fluid, characterized in that the actuating device is formed as a securing means in such a way that the protective device can be brought to the secured state in the inserted state of the piston, wherein the actuating device has a finger plate for moving the piston, which finger plate is connected in particular rigidly to the piston and is designed as a securing means, wherein the securing means is designed as at least one passage which is formed in the finger plate and through which the at least one latching tongue can protrude when the piston is in the inserted position, wherein the passage has an abutment that blocks the trigger means in a trigger direction, wherein the abutment is arranged with respect to the latching tongue, and also to the latching edge of the main body, in such a way that the latching tongue can be fixed on the latching edge by the abutment. - a main body (2, 2') with a longitudinal axis, - a receiving chamber formed in the main body (2, 2') for the fluid, - a dispensing area (4, 4'), which is designed for the arrangement of a cannula communicating with the receiving chamber, or in which a cannula communicating with the receiving chamber is arranged, and through which the fluid can be dispensed from the receiving chamber, - wherein the dispensing device comprises a protective device with a rigid protective body arranged on the main body, wherein the protective body is designed in such a way and is movable with respect to the main body between a standby position and a protective position in such a way that the cannula arranged or able to be arranged in the dispensing area (4, 4') is completely exposed in the standby position, and the protective body, in the protective position, extends completely from the main body over the cannula arranged or able to be arranged in the dispensing area (4, 4'), wherein a trigger means is present which can be triggered directly or indirectly by a user and with which a transfer of the protective body from the standby position to the protective position can be triggered,