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.
Lack of water and fibre in the body causes constipation along with other problems. There are many other reasons too for constipation but these are the main underlying causes. Other than these, lifestyle, stress, irregular time of bowel movements, diet, other diseases also contribute to constipation.