15. Tar-like stools
If you’re vomiting blood, you probably have tar-like or darkened stools as well. However, sometimes patients report black stools without any episode of bloody vomiting. Tar-like stools are caused by blood that’s been spilled inside the digestive tract and goes all the way down to be eliminated in feces. It’s denaturalized and decomposed, which is why it also has a foul smell.
People who experience tar-like stools without any blood vomiting might have severe bleeding that’s not rapid enough to exceed the stomach’s capacity. But another common cause would be internal bleeding in a lower portion of the gastrointestinal tract (as in the duodenum or the large intestine). Thus, we should visit a doctor and perform the appropriate exams to get a diagnosis and start proper