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Bright red blood in your stool can be caused by a wide range of conditions. Often, bleeding during a bowel movement is a clue to benign conditions like hemorrhoids, constipation, or polyps. However, bright red blood in your stool can also be caused by infections, intestinal diseases, and colorectal cancer.
Bright red blood in your stool usually means the bleeding is lower in your colon, rectum or anus. Dark red or maroon blood can mean that you have bleeding higher up in your colon or your small intestine. Melena (black stool) often points to bleeding in your stomach, such as a bleeding stomach ulcer.
“Bright red blood might be something low in the colon or rectum like diverticular bleeding or hemorrhoids, darker blood may be from higher up in the colon,” says Richards. “If the blood is more black or tar-like, that might signal an issue in the small intestine or stomach.”
Rectal bleeding may occur for many reasons. Common causes of rectal bleeding include: Anal fissure (a small tear in the lining of the anal canal) Constipation. Hard stools. Hemorrhoids (swollen and inflamed veins in your anus or rectum) Less common causes of rectal bleeding include: Anal cancer.
Bright-red blood: You're bleeding in the lower part of your colon, rectum, or anus. The rectum connects your colon to your anus. The anus is the opening in your body through which your poop comes...
Gastrointestinal (GI) bleeding is a sign of a disorder in the digestive tract. The blood often shows up in stool or vomit but isn't always obvious. Stool may look black or tarry. Bleeding can range from mild to severe and can be life-threatening. Imaging technology or an endoscopic investigation can usually locate the cause of the bleeding.
There are common reasons for bleeding such as hemorrhoids or a tear in the anal canal. Less common reasons include colon or rectal cancer, inflammatory bowel disease (IBD), diverticulosis, or ischemic colitis. The medical term for bright-red blood in the stool is hematochezia.