A fecal occult blood test (FOBT) is a test to detect the
presence of blood in the stool (feces). An FOBT is used mainly
as part of the It may also used to detect blood in your stool if
you are having abdominal pain, diarrhea, vomiting, decreased
appetite, or other symptoms. Copyright © Nucleus Medical Media,
Inc. Adenomatous Polyp in Colon A positive FOBT does not mean
you have cancer. Other things can cause a positive test. Minor
stomach bleeding from certain medicines or or eating certain
foods can cause a positive test. To help avoid this, you can try
to: The test is most often done at home. You will set up the kit
according to the instructions when you are ready to have a bowel
movement. The kit should allow you to collect three samples of
stool. Some kits provide a disposable container into which you
can pass your bowel movement. Other kits provide you with tissue
paper or plastic wrap that you can lay in the toilet to keep
your stool sample from sinking into the water. Using thin wooden
sticks provided