Consume dietary fiber and sufficient waterTo prevent constipation, the primary requirement is sufficient water intake so that the large intestine does not scavenge water from the stools. Secondly, eating a moderate amount of dietary fiber will provide bulk that retains its moisture level. You can get fiber from fruit and from whole grain foods. (Raisin bran contains both.) Fiber supplements are available in soluble or pill form.Avoid chemical laxatives, because the digestive system may become dependent upon them for proper functioning. Alkaloids, magnesia, and polyethylene solutions (Miralax) will prompt bowel movement but can also induce diarrhea. Mineral oil, another venerable treatment, can leak from the anal opening if overused. Stool softeners may provide relief from chronic constipat