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.
Signs and symptoms of chronic constipation include: 1  Passing fewer than three stools a week. 2  Having lumpy or hard stools. 3  Straining to have bowel movements. 4  Feeling as though there's a blockage in your rectum that prevents bowel movements.5  Feeling as though you can't completely empty the stool from your rectum.igns and symptoms of chronic constipation include: 1  Passing fewer than three stools a week. 2  Having lumpy or hard stools. 3  Straining to have bowel movements. 4  Feeling as though there's a blockage in your rectum that prevents bowel movements.