When diverticula bleeding, a sudden, often painless loss of blood from small pouches in the colon. Also known as diverticular hemorrhage, it’s one of the most common causes of major gastrointestinal bleeding in older adults. Unlike diverticulitis — which causes pain and fever — diverticula bleeding usually happens without warning. You might notice bright red blood in your stool, sometimes in large amounts, and feel lightheaded or weak. It’s not something to ignore, but it’s also not always an emergency. Many cases stop on their own, yet knowing what to watch for can save your life.
This condition is tied to diverticulosis, the presence of small bulges in the colon wall. It’s incredibly common — over half of people over 60 have it — but only about 20% ever bleed. The bleeding happens when a small artery near one of these pouches breaks open. Risk factors include aging, chronic constipation, and long-term use of NSAIDs like ibuprofen. People on blood thinners are at higher risk too. It’s not caused by eating seeds or nuts, despite old myths. What matters more is overall colon health, hydration, and avoiding medications that irritate the lining.
When bleeding happens, doctors often use colonoscopy, a procedure using a camera to find and treat the source. In many cases, they can stop the bleeding during the exam using clips, heat, or injections. If it’s severe, angiography or surgery may be needed. But the real goal is prevention. Eating more fiber, staying hydrated, and avoiding unnecessary NSAIDs can reduce your chances of future episodes. If you’ve had one bleed, your risk goes up — so follow-up care matters.
The posts below cover real-world advice on managing digestive issues, spotting hidden drug risks, and understanding how medications like NSAIDs or blood thinners affect your colon. You’ll find guides on medication safety, how to talk to your pharmacist about bleeding risks, and what to do when over-the-counter painkillers become dangerous. Whether you’re recovering from a bleed, managing diverticulosis, or just want to protect your gut, these resources give you practical steps — not guesswork.
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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