Possible causes of Maroon stools

15 conditions can cause this symptom. Most common are listed first.

• Anal fissure (tear) Common Pediatric
• Colon cancer (large intestine tumor) Common Urgent
• Colon polyps (large intestine polyps) Common
• Diverticulosis Common
• Hemorrhoids Common Pediatric
• Ulcerative colitis (large intestine inflammation) Common Pediatric
• Crohn's disease (regional enteritis, Crohn's colitis, intestinal inflammation) Urgent
• Gastrointestinal bleeding (intestinal bleeding) Urgent
• Bacterial dysentery (bloody diarrhea) Urgent
• Colonic diverticulitis (large intestine inflammation of diverticula) Urgent
• Gastric ulcer (stomach ulcer) Urgent
• Gastritis (stomach inflammation)
• Gastroenteritis (inflammation of the stomach and intestinal lining)
• Intestinal volvulus (twisting of intestine) Urgent
• Irritable bowel syndrome (IBS)