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.
Physicians often refer to this condition by the initials IBS. The typical symptoms of IBS include crampy abdominal pain, bloating, distention and abnormal bowel habits. There may be diarrhea, constipation or a combination of both. It is common for IBS to affect teenagers and young adults. Symptoms may even date back to early childhood.