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What is a fecal occult blood test?

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A test for fecal occult blood looks for blood in your poop, or feces. That can be a sign of a problem in your digestive system, such as a growth, or polyp, or cancer in the colon or rectum. There are different kinds of these tests. You can buy some kits at the pharmacy, or your doctor may give you a home test kit at one of your appointments.

Gastrointestinal bleeding may be microscopic, so you couldn’t see it. (Doctors call that “occult” blood.) Or it may be obvious as red blood or black tar-like bowel movements.

If there's blood (whether you can see it or not), it’s important for your doctor to find the source of bleeding to diagnose and treat the problem.

From: What Is a Fecal Occult Blood Test? WebMD Medical Reference

SOURCES:

American Cancer Society.

Mayo Clinic.

National Cancer Institute: “Tests to Detect Colorectal Cancer and Polyps.”

Reviewed by Nayana Ambardekar on September 19, 2018

SOURCES:

American Cancer Society.

Mayo Clinic.

National Cancer Institute: “Tests to Detect Colorectal Cancer and Polyps.”

Reviewed by Nayana Ambardekar on September 19, 2018

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Why could you have blood in your poop?

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