Symptoms blood from the anus

Although rectal bleeding is common, only about one-third of those affected seek treatment. Symptoms usually develop quickly, and most causes are treatable and not serious. In some cases, rectal bleeding can be a symptom of a serious disease, such as colorectal cancer. Therefore, all rectal bleeding should be reported to the primary care physician.

Rectal bleeding usually refers to bleeding from the anus, rectum, or colon, all of which are the final portions of the digestive tract. In most cases, bright red blood indicates bleeding in the lower colon or rectum, while darker red blood is a sign of bleeding in the small bowel or upper colon. Very dark or black-red blood is often associated with bleeding in the stomach or other organs in the digestive system. In this article, we examine 11 causes of rectal bleeding, along with other symptoms that each one can prompt. We also look at when rectal bleeding should be referred to a doctor. Hemorrhoids are inflamed anal blood vessels, and they are extremely common.

Causes shown here are commonly associated with this symptom. Work with your doctor or other health care professional for an accurate diagnosis. Mayo Clinic does not endorse companies or products.

Anal bleeding can be a sign of many different problems. Some causes can be serious, which is why it should be checked out by your doctor. Bright red blood may be seen only on toilet paper or in the toilet bowl after a bowel movement — not mixed freely with the bowel motion. This type of bleeding is usually caused by haemorrhoids piles or anal fissure.