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. Newborn. The infantile form usually comes to medical attention within the first few months of life. The usual presenting features are cardiomegaly (92%), hypotonia (88%), cardiomyopathy (88%), respiratory distress (78%), muscle weakness (63%), feeding difficulties (57%) and failure to thrive (50%).