Gastrointestinal (GI) bleeding refers to any bleeding that starts in the gastrointestinal tract.
Bleeding may come from any site along the GI tract, but is often divided into:
Lower GI bleeding; GI bleeding; Upper GI bleeding
ConsiderationsThe amount of GI bleeding may be so small that it can only be detected on a lab test such as the fecal occult blood test. Other signs of GI bleeding include:
Massive bleeding from the GI tract can be dangerous. However, even very small amounts of bleeding that occur over a long period of time can lead to problems such as anemia or low blood counts.
Once a bleeding site is found, many therapies are available to stop the bleeding or treat the cause.
GI bleeding may be due to conditions that are not serious, including:
However, GI bleeding may also be a sign of more serious diseases and conditions, such as the following cancers of the GI tract:
Other possible causes of GI bleeding include:
There are home stool tests for microscopic blood that may be recommended for people with anemia or for colon cancer screening.
When to Contact a Medical Professional
Call for an appointment with your doctor if:
What to Expect at Your Office Visit
GI bleeding is diagnosed by a doctor -- you may or may not be aware of its presence.
GI bleeding can be an emergency condition requiring immediate medical attention. Treatment may involve:
Once your condition is stable, you will have a physical examination, including a detailed abdominal examination.
You will also be asked questions about your symptoms, including:
Tests that may be done to find the source of the bleeding include:
Bjorkman D. GI hemorrhage and occult GI bleeding. In: Goldman L, Ausiello D. Cecil Textbook of Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 137.
Savides TJ, Jensen DM. Gastrointestinal bleeding. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease. 9th ed. Philadelphia, Pa: Saunders Elsevier;2010:chap 19.
Review Date: 1/31/2011
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and George F. Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program San Diego, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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