A bleeding ulcer can lead to melena if the blood has time to be digested, turning stools black and sticky. If the bleeding is rapid or severe, it may cause vomiting blood or bright red stools instead.

Certain foods and medicines can cause black stool. Sometimes, black stool may even signal bleeding in the digestive tract.

These ulcers can bleed, but the blood is usually digested, causing the stool to be black. Bright red blood in stool generally means it is from the colon. There are several kinds of bariatric surgery.

The medical records and endoscopic films of all patients who visited these two hospitals due to hematemesis and/or tarry stool ... of the ulcer and unexpected massive bleeding.

Potential causes of peptic ulcers include Helicobacter pylori (H. pylori) bacteria infection and the long-term use of nonsteroidal anti-inflammatory drugs. vomiting blood black and tarry stools ...

bright blood in stools, and passing out -- these are all symptoms of problems like stomach ulcers," says Hoffman. However, many people don't have any symptoms even though they have serious or life ...

Background and Aims: Because non-bleeding visible vessels (NBVV) of gastric peptic ulcers have the potential to re-bleed, endoscopic hemostatic treatment may be necessary during the first ...