Long-term drinking senna will also have a greater dependence on the analysis of the role, once you stop drinking will be constipated. And drink to the end there may also lose the role of the possibility. Long-term drink is also likely to lead to the body's electrolyte disorders, as well as lead to intestinal dysfunction. It is recommended to slowly reduce the use of senna, and every day to develop the habit of regular bowel movements. To eat more crude fiber food.