Bloody stool means that there's some sort of injury or disorder located somewhere in your digestive tract. If the bloody stool is bright red, then it could be due to hemorrhoids or anal fissures. The causes of bloody stool that is more maroon in color is intestinal polyps, inflammatory bowel disease
(diverticulosis causes significant bleeding). Other causes of blood in stools are, aspirin or nonsteroidal anti-inflammatory medications and, polyps (small growths) and cancerous tumors (malignant growths of tissue).
Diagnosis is by ultrasound abdomen. In some cases sigmoidoscopy
may be needed.
Please consult a gastroenterologist
and get it seen.
Hope it helps you. Regards.