Anger is an emotional reaction that impacts the body. A person experiencing anger will also experience physical conditions, such as increased heart rate, elevated blood pressure, and increased levels of adrenaline and noradrenaline.
Parents often mistake this soiling as a sign of diarrhea. Other causes of constipation in children include: 1  a low-fiber diet. 2  certain medications or drugs, such as antacids, opiates and antidepressants. 3  diseases, such as Hirschsprung disease, diabetes and Down syndrome. 4  anatomic abnormalities, such as a birth defect.
1 The most common cause of constipation in children is the passage of large, hard, and painful bowel movements. 2  The child withholds to avoid pain. 3  Over time, this results in the bowel movements becoming larger and harder, and a vicious circle begins.