Gastrointestinal bleeding - Causes and risk factors for low GI
Diverticulosis: This is one of the most common causes of low GI bleeding. Small sacs or diverticula form on the walls of the large intestine, usually in the most fragile area of the intestinal wall. The person may have several bags, which are more common in people who suffer from constipation and tension during bowel movements.
Cancer: An early sign of colon or rectal cancer may be blood in the stool.
Chronic Intestinal Inflammatory Disease (IBD): Inflammatory attacks caused by IBD (Crohn's disease and ulcerative colitis) often cause viscid, bloody stool.
Diarrhea Infection: Some viruses or bacteria can damage the intestinal lining, which can cause bleeding followed by diarrhea.
Angiodisplasia: In the second position behind diverticulosis, this is one of the most common causes of lower GI bleeding. Angiodisplasia is a malformation of blood vessels in the walls of the digestive tract. It occurs most often in the large intestine and often bleeds. The elderly and people with chronic kidney failure most often develop this disease.
Polyps: Intestinal polyps are non-cancerous tumors of the digestive tract that occur mainly in people over 40 years. A small portion of these polyps can turn into cancer. Polyps in the large intestine can bleed quickly, or may bleed slowly and remain undetected.
Hemorrhoids and fissures: Hemorrhoids are swelling of blood vessels in and around the anus. Perform stretches and repeated attempts during bowel movements around the rectal bleed. Hemorrhoid bleeding is usually mild, intermittent, and deep red. Anal fissures, or tears in the anal wall, can also trigger a small amount of fresh red bleeding from the anus. High pressure during bowel movements usually results in tears in the anal wall, which can be very painful and require surgery to repair it.
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