Symptoms of adenomatous polyps include rectal bleeding, a change in stool color, a change in bowel habits and iron deficiency, according to the Canadian Cancer Society. Adenomatous polyps usually show no symptoms, but they are discovered during colorectal screening test.
Adenomatous polyps have the potential to become cancerous, as stated by the Canadian Cancer Society. Rectal bleeding can be a sign of cancer or other conditions such as hemorrhoids or minor tears in the anus. In some patients, blood shows up as red streaks in the stool or makes the stool look black. The alteration of color may also be as a result of foods, medications or supplements. Constipation or diarrhea that lasts for more than a week can be an indication of the presence of a large colon polyp, according to Mayo Clinic. However, several other conditions can also cause a change in bowel habits.
Additionally, a large colon polyp can obstruct the bowel, resulting to crampy abdominal pain, nausea and vomiting. Bleeding from polyps can occur slowly over time with no visible blood on the patient’s stool. Chronic bleeding robs the body of iron required to produce hemoglobin, which allows red blood cells to carry oxygen to the body. It consequently results in anemia, which makes an individual feel tired and short of breath. If adenomatous polyps are not treated, they may increase in size and number, according to Cleveland Clinic.