Your age and weight. Indeed, constipation is a common problem. However, u need to send in your age, weight, any assosciated diseases like Diabetes, drugs, obesity. Any attempt at weight loss which will reduce your food intake and water intake. Since u have already tried enemas and suppositories, i feel that it is a chronic problem. You could take more vegetables and fluids. They do not cause increase in weight. Please get a sigmoidoscopy done if u are more than 40 years. Also train yourself to go to the toilet everyday even if nothing comes as habit forming is an important aspect of management.