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What causes bleeding in the stomach?

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Bleeding from the stomach can be caused by:

Intestinal ulcers are usually caused by excess stomach acid and infection with Helicobacter pylori.

  • Gastritis. This is inflammation in the stomach. Alcohol and some pain medicines can cause it.
  • Ulcers. Ones in the stomach may enlarge and erode through a blood vessel, causing bleeding. Aside from medication, the most common cause of these is an infection with a bacterium called Helicobacter pylori. Also, people who have had burns, shock, head injuries, or cancer, and those who've had major surgery, may get stress-related stomach ulcers
  • Cancer of the stomach.

SOURCES: 

National Digestive Diseases Information Clearinghouse. 

National Institutes of Health.

Reviewed by Nayana Ambardekar on February 5, 2020

SOURCES: 

National Digestive Diseases Information Clearinghouse. 

National Institutes of Health.

Reviewed by Nayana Ambardekar on February 5, 2020

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What causes bleeding from the lower digestive tract?

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