Blood in Stool


20 percent of adults have had an episode of bloody stools in the last year , but although this , in principle, does not imply more severe , it is better that the doctor is aware if turns out to be a symptom of a more complex disease.


It can be frightening to see the toilet paper or the toilet and see blood on you or on your stool. Fortunately, most of the causes blood in stools are not serious and can be easily remedied. However, in some cases the presence of blood in the stool may be cause for alarm, so consult with your doctor is important if this happens to you.


Blood in the stool may come from anywhere along the digestive tract from the mouth to the anus. May be present in such small amounts that you can not actually see it, can only be detected by examination of

 fecal occult blood.


When there is enough blood to change the appearance of your stools , the doctor particularly need to know the exact color to help find the site of bleeding . To make a diagnosis , your doctor may use endoscopy or special x-ray studies . Black stool usually means that the blood from the upper GI tract includes the esophagus , stomach and first part of the small intestine.


Blood will typically look like tar after it has been exposed to the body's digestive juices as it passes through the intestines. The brown or red feces usually live suggest that the blood comes from the lower part of the digestive tract ( large intestine, rectum or anus intestine). However , sometimes massive or rapid bleeding in the stomach causes bright red stools.


Consuming black licorice, lead , iron pills , bismuth medicines like Pepto - Bismol , or blueberries can also cause black stools. Likewise , Beets and tomatoes can sometimes make stools appear reddish . In these cases, your doctor can test the stool with a chemical to rule out the presence of blood. Active in the esophagus or stomach , as in the case of peptic ulcer disease , bleeding can also cause vomiting blood .



Causes of blood in stool


The bleeding that occurs in the esophagus , stomach or first part of the small intestine usually causes stools to be black or tarry . The doctor may use the term "melena".


Bleeding in the upper gastrointestinal tract usually cause black stools due to:


- Abnormal blood vessels.

- A tear in the esophagus from violent vomiting (Mallory -Weiss tear).

- Ulcer bleeding in the stomach.

- When the blood supply is interrupted from the intestines.

- Inflammation of the stomach lining (gastritis ).

- Trauma or foreign body.

- Too large or dilated veins (called varices ) in the esophagus or stomach.


The brown or blood red and glittering stool often indicates that the blood is coming from the small or large intestine , rectum , or anus. Hematochezia The term is used to describe this result.


- Abnormal blood vessels

- Anal fissures.

- When circulation is interrupted at a part of the intestines called intestinal ischemia.

- Polyps or colon or small intestine cancer.

- Diverticulosis (abnormal pouches in the colon ).

- Hemorrhoids ( common cause of blood red and sparkling ).

- Inflammatory bowel disease ( such as Crohn's disease or ulcerative colitis).

- Intestinal infection.

- Trauma or foreign body.