Causes of blood in a bowel movement include hemorrhoids, an anal fissure, an anal abscess, diverticulitis and inflammatory bowel disease, according to Cleveland Clinic. The color of the blood helps determine where the bl... More »

Although most incidents of blood in bowel movements arise from conditions that are treatable, all rectal bleeding should be reported to a physician, states Cleveland Clinic. Sometimes blood in bowel movements indicates a... More »

www.reference.com Health Pain & Symptoms

Black stool in a bowel movement can be caused by bleeding in the upper part of the gastrointestinal tract, explains WebMD. The black stool gets its color from digested blood. More »

www.reference.com Health Pain & Symptoms

Causes of rectal bleeding include hemorrhoids, inflammatory bowel disease, anal fissures, and anal or colon cancer, states Healthline. Crohn's disease, chronic constipation, radiation therapy and diarrhea can also cause ... More »

www.reference.com Health Pain & Symptoms

Causes of left-sided abdominal pain in men include constipation, diverticulitis, gas and inflammatory bowel disease, according to doctors at HealthTap. Constipation occurs when bowel movements become less frequent or mor... More »

Red- or black-colored stool may indicate intestinal bleeding resulting from an anal fissure, hemorrhoids, non-cancerous polyps or colon cancer, notes About.com. A blocked bile duct can cause white- or clay-colored stool,... More »

www.reference.com Health Pain & Symptoms

Common bowel problems include celiac disease, diverticulitis, intestinal obstruction, structural abnormalities of the bowel and inflammatory bowel disease. Other bowel problems are infections, irritable bowel syndrome an... More »

www.reference.com Health Conditions & Diseases Gastrointestinal Issues