Blood in the stool, also known as hematochezia, can be caused by a variety of conditions and diseases. Here are some possible causes of blood in the stool: Common benign (non-serious) causes: Hemorrhoids Anal fissure Serious causes: Ulcers in the rectum Injury to the mucosa (lining tissue) in the colorectal system Diverticular bleeding Inflammatory bowel diseases, such as ulcerative colitis or Crohn's disease Colorectal cancer Angiodysplasia Anal or colorectal polyps Infections in the digestive tract The color of the blood can indicate where in the gastrointestinal system the bleeding is coming from. Black, tarry stool may point to a bleed in the upper gastrointestinal tract, while bright red blood usually means the bleeding is lower in the colon, rectum, or anus. Dark red or maroon blood can mean that the bleeding is higher up in the colon or small intestine. It is important to seek medical attention if you experience rectal bleeding, especially if it is accompanied by severe di...
Strategic analysis on geopolitics, financial systems, and Pakistani affairs, blended with personal stories and commentary from Karachi. Written by Munaeem Jamal.