Clisma Lax Enema used for treating constipation and irregular bowel movements. It is a ready-to-use device and its application does not require any additional device. It contains an aqueous saline solution and is formed of a handy soft plastic bottle that also has the function of delivery apparatus, provided with a lubricated atraumatic rectal cannula. Both the active saline solution contained in the bottle, and the bottle itself which is also a tool of administration which makes it a ready-to-use device.