<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, Ive been having some heartburn and sharp abdominal pain lately, and Ive also noticed blood in my stool. Additionally, my anus has been very itchy.  <response>: It sounds like you may be experiencing symptoms of a rectal disorder, potentially hemorrhoids or inflammatory bowel disease. Its important that we run some tests to properly diagnose and treat your condition. 