Blood in Stool

Disorders in the GI (gastro-intestine) system may cause blood in stool or bloody stool or bloody diarrhea. Depending on the part of GI where the bleeding occurs, the appearance of the blood in stool may be different. Blood-on-stool is the blood (often bright red blood) covers the stool, originating usually from lower GI tract such as the rectum and the end of the colon. Blood-in-stool is the blood (often dark red to black) is blended in the stool, originating usually from the end of small intestine or the colon. Melena refers to the blackish stool/feces, originating from the upper GI, which is caused by that blood is digested with the rest of food making stool black or tarry appearance.

Here lists diseases or conditions associated with bloody stool. On the right it is Quick Filter that lists Signs & Features of bloody stool. To find out the disease of your symptom, click the sign/feature that closely matches your symptoms. You will then see the disease or diseases associated with the sign/feature. To narrow the search, you can continue to click signs/features until you find the disease related to your symptom. You can click the disease name to read a brief description.

Blood in Stool by Hemorrhoid

Blood in Stool by Anal Fissures or Anal Tears

Blood in Stool by Colon Polyps

Blood in Stool by Rectal Polyps

Blood in Blood by Colon Cancer

Blood in Stool by Rectal Cancer

Blood in Stool by Ischemic Colitis

Blood in Stool by Intussusception

Blood in Stool by Dysentery

Blood in Stool by Upper Gastrointestinal Bleeding

Blood in Stool by Crohn's Disease

Blood in Stool by Ulcerative Colitis

Quick Filtering

Meta Data and Taxonomies Filter

Blood-in-Stool Signs and Features

Stool blood color:

Blood in stool or on stool: