In most cases, it lasts for a short time and is not serious. When you understand what causes constipation, you can take steps to prevent it. Changing what you eat and drink and how much you exercise will help relieve and prevent constipation. Here are some steps you can take. Eat more fiber.
Fiber helps form soft, bulky stool.
It is found in many vegetables, fruits, and grains. Be sure to add fiber a little at a time, so your body gets used to it slowly. Limit foods that have little or no fiber such as ice cream, cheese, meat, snacks like chips and pizza, and processed foods such as instant mashed potatoes or already-prepared frozen dinners. The following chart shows you some high-fiber foods. Drink plenty of water and other liquids such as fruit and vegetable juices and clear soup.