It is bloody stools that indicate bleeding from vascular system in the digestive tract. It is also described as black, tarry, and foul-smelling stools or red/maroon-coloured stools that contain degraded blood.
Melaenaaltered blood in stoolaltered blood passed per rectumblack tarry stoolblood in faecesblood in stoolbloody stoolfaeces bloodstainedmelaena due to gastrointestinal haemorrhagepassage of bloody stoolstarry stools
Nearby in Other digestive system haemorrhage, not elsewhere classified