Constipation in Children: Constipation in children affects up to 10% of children at any given time. Causes of constipation in infants and children include a willfulness to avoid the toilet, prior painful or frightening experiences that make them avoid the bathroom, a concern for lack of privacy in public restrooms, changes in diet, dehydration, several medical disorders. Symptoms of constipation in infants and children include vague abdominal pain, vomiting, decreased appetite, urinary tract infections, urinary incontinence, frequent urination, or bedwetting. Home remedies and self-care at home is possible with mild constipation, however, it may be necessary for the affected infant or child to see a health care practitioner.