Causes and Diagnosis of Blood in the Stool

Causes and Diagnosis of Blood in the StoolThe presence of blood in the stool can be frightening and should lead you to consult. While the cause is often hemorrhoids or constipation, but it can also be the sign of illness, which is sometimes severe. Blood in the stool can signal a serious problem, but it is not the same case always. Here’s what you need to know about the possible causes of bloody stools and what you and your doctor should do if you discover a problem and do the Diagnosis.

Conditions that causes blood in the stool


They correspond to expansions of the veins in the anal region, likely to bleed besides being painful. Hemorrhoids are one of the most common causes of blood in the stool. If they are gentle, your doctor may, however, reassure you and initiate treatment.


Another very common cause is constipation and benign anal bleeding, constipation causes anal fissures, tears kinds of mucosal bleeding.


It is an inflammation of the rectal mucosa that may cause the appearance of blood in the stool, whose origins are diverse: Infectious, Parasitic, abuse of suppositories, radiotherapy.

Inflammatory bowel disease

Crohn’s disease and ulcerative colitis manifested by the presence of blood in the stool. These inflammatory bowel diseases, which are often accompanied by diarrhoea and abdominal pain, require long-term treatment and medical monitoring.

Peptic ulcer

Ulcers of the stomach or duodenum result that bleeding is detected in faeces. The doctor will prescribe drugs inhibiting gastric acid secretion.

Erosion of a colonic diverticulum

Diverticula are small hernias that develop along the outer wall of the colon. With small blood vessels, erosion is accompanied by bleeding. Benign, however diverticula require consultation to confirm diagnosis. And in case of recurrence, surgical resection will remove part of the intestine where the diverticulum is.

Gastric erosion

Most often drug-induced (aspirin, anti-inflammatory), gastric erosions require adaptation of drug treatment in question.

Blood in the stool and colorectal cancer

Colorectal cancer is also reflected by blood in stools, but often in quantities undetectable to the naked eye. Only a specific examination can highlight.

This is the Hemoccult test, which is recommended in the case of organized screening of the colon cancer. It is proposed every two years from the age of 50 years.
It is also advisable to start this test earlier in case of family history of colon cancer or certain diseases (ulcerative colitis, familial adenomatous polyposis).


Depending on the progress of the disease, a doctor may recommend the use of a cream or ointment containing corticosteroids or taking anti-inflammatory drugs. This is generally the case for hemorrhoids and anal fissures. A surgical procedure may also be performed in the most extreme cases.

Hemorrhoids, anal fissure, diseases of the digestive tract or colorectal cancer, the causes of blood in stool are many, not obvious to diagnose (outside of hemorrhoids and constipation) and more or less serious. Only your doctor can make an accurate and reliable diagnosis and the best treatment. So if you notice blood in your stools have a single reflex: see your doctor!

 Image courtesy : newkidscenter

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