When blood shows up in your stool or comes from your rectum, it’s called lower GI bleeding, bleeding that occurs in the colon, rectum, or anus. Also known as lower gastrointestinal bleeding, it’s not a disease itself—it’s a symptom of something else going on in your digestive tract. Unlike upper GI bleeding, which often causes vomiting blood, lower GI bleeding usually means you’ll see bright red or maroon blood in your stool, on toilet paper, or in the toilet bowl. It can be mild and go away on its own, or it can be serious enough to need emergency care.
Common causes include hemorrhoids, swollen veins in the rectum or anus that bleed during bowel movements, diverticulosis, small pouches in the colon wall that can rupture and bleed, and inflammatory bowel disease, conditions like ulcerative colitis or Crohn’s disease that cause chronic gut inflammation. Colon polyps and colorectal cancer are also serious but less common causes. The good news? Many cases are not life-threatening, especially if caught early. But ignoring it can let something dangerous grow unnoticed.
Who’s most at risk? People over 50, those with a family history of colon cancer, or anyone taking blood thinners. Even if you think it’s just hemorrhoids, getting checked is smart. A doctor can tell if it’s something simple or if you need a colonoscopy or other tests. You don’t need to wait until it gets worse—early action saves lives.
What you’ll find in the articles below are real stories and clear facts about how lower GI bleeding shows up, what tests actually help, and how treatments vary based on the cause. Some posts talk about how medications can trigger bleeding, others explain how to tell the difference between harmless and dangerous signs, and a few cover what happens after a diagnosis. No fluff. No fear-mongering. Just what you need to understand your body and talk to your doctor with confidence.
Lower GI bleeding is often caused by diverticula or angiodysplasia, especially in older adults. Learn how doctors diagnose and treat these common but different conditions, and why early intervention matters.
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