What Leads to Intestinal Bleeding

Your gastrointestinal tract extends from your mouth to your anus and consists of a quantity of distinct regions. Even though they share a common purpose -- absorption of nutrients and fluid -- the organs of your GI tract differ in structure and function. So, problems that commonly trigger bleeding from 1 region of your GI tract may not occur in others. In adults, gastrointestinal bleeding is usually because of to problems that are not severe, but some conditions, this kind of as cancer, can be life-threatening if they are not promptly identified and handled.

Duodenum Bleeding

Although your GI tract is essentially one continuous tube, your intestine technically starts at your duodenum, which is the initial one foot or so of small intestine beyond your abdomen. The most common trigger of bleeding in this area is peptic ulcer disease, which usually outcomes from an infection by a bacterium called Helicobacter pylori. Nonsteroidal antiinflammatory medications, this kind of as aspirin and ibuprofen, can cause duodenal ulcers, too. Duodenal diverticula, which are bulges in the intestinal wall, are a much less typical source of duodenal bleeding.

Reduce Small Intestine Bleeding

Bleeding from the reduce parts of your little intestine -- the jejunum and ileum -- is not as common as bleeding from the duodenum or reduce gastrointestinal tract. Angiodysplasia -- a condition characterized by abnormally notable blood vessels in the intestinal wall -- is the most most likely cause of bleeding from the jejunum or ileum. Diverticula can occur in this part of your intestine, as well, and they sometimes trigger bleeding in middle-aged and more mature adults. Other leads to of bleeding from the little intestine include Crohn disease, an inflammatory bowel illness small bowel tumors celiac illness, which is a condition that impacts a little proportion of individuals when they consume gluten goods particular genetic problems hookworm infestation and a selection of other uncommon conditions.

Large Bowel Bleeding

In accordance to a January 2005 evaluation in "Journal of General Internal Medication," 14 to 19 % of adults experience rectal bleeding at some point throughout their life. In most cases, crimson blood in your stool is because of to colonic, rectal or anal bleeding. Luckily, most rectal bleeding is due to a benign trigger, this kind of as hemorrhoids, anal fissures, diverticulosis or noncancerous colon polyps. But colon cancer -- the 2nd leading trigger of cancer-related deaths in the U.S. -- frequently manifests with rectal bleeding, too. Ulcerative colitis, a form of inflammatory bowel illness, is another fairly common cause of rectal bleeding.


Gastrointestinal bleeding can display up in a number of ways. If you are only dropping little amounts of blood more than lengthy intervals of time, you might not see any evidence of blood in your stool. More pronounced or persistent bleeding from the higher GI tract might show up as tarry -- very dark -- stools. Huge higher GI bleeding might direct to vibrant crimson blood in your stools, or you might vomit blood. Bleeding from the lower small intestine, colon or rectum usually creates bloody stools, although bleeding from the duodenum might trigger tarry bowel actions. Hemorrhoids and anal fissures often present as vibrant red blood on your toilet paper or in the toilet bowl.


Go to a medical professional if you have any signs of gastrointestinal bleeding. Your doctor will inquire concerns that might assist pinpoint the supply of your bleeding to a particular region in your GI tract. You may be requested to post a stool sample for evaluation, and your doctor will most likely purchase blood exams. Most individuals with intestinal bleeding are referred for endoscopy, which involves immediate visualization of your upper and reduce GI tract via long, flexible scopes. If no obvious source of bleeding can be identified with endoscopy, other specialised tests, such as nuclear medicine scans or arteriography, may be essential.