Common Causes of Constipation Patient/caregiver was educated on common causes of constipation are listed below- Low amount of fiber in the diet: Lack of fiber in the diet slows down the movement of waste material or feces in the large intestine. Consequently, more water is absorbed from the feces and the stool becomes hard. Low intake of water: Low intake of fluid also slows down the movement of waste material or feces in the large intestine. Consequently, [...]