Bleeding in the gastrointestinal tract and colon cancer can cause black poop (also known as melena). But black stool doesn't always mean there is an underlying health concern. Dark-colored foods, iron ...

Hemorrhoids, colorectal cancer and anal cancer can all cause bleeding from the anus or rectum. Here are the main differences: ...

Rectal bleeding, which may present as hematochezia, may be a "red-flag" symptom of early-onset colorectal cancer, especially in young adults. Other causes of rectal bleeding include your diet, hard ...

Discovering blood in your stool can trigger immediate anxiety and concern, but understanding what this symptom means helps distinguish between minor issues and serious conditions requiring prompt ...

Gastrointestinal (GI) bleeding is a common and potentially life-threatening condition that requires prompt and accurate diagnosis. Esophagogastroduodenoscopy (EGD) and colonoscopy are the primary ...

What Is Proctitis and How Does It Compare to UC? Proctitis is inflammation of the rectum, the last part of the large intestine that connects the colon to the anus. Ulcerative colitis (UC) is a type of ...

Colonoscopy vs. Sigmoidoscopy: What’s the Difference? If your doctor wants to check the health of your colon — whether as part of a routine screening or to investigate a concern — they may recommend a ...