1 Examples of causes of anal itching include hemorrhoids, anal fissures, pinworms, foods, medications, and other diseases or conditions. 2  Additional symptoms associated with anal itching include burning and pain if the anal skin is traumatized by scratching.
Rarely, infant constipation is caused by an underlying condition, such as Hirschsprung's disease, hypothyroidism or cystic fibrosis. If infant constipation persists despite dietary changes or is accompanied by other signs or symptoms â such as vomiting or rectal bleeding â contact your baby's doctor.
Recognizing Constipation in a Child. 1  1. Identify symptoms of constipation. Children who are constipated may try to not have bowel movements if doing so causes pain. 2  2. Recognizing if your child is at risk of constipation. Children in certain situations may be more likely to become constipated.