Health Information
Stool Tests for Colorectal Cancer
What Affects the Test
Reasons you may not be able to have a stool test or why the results may not be helpful include:
- Having blood in the urine, menstrual bleeding, hemorrhoids, an Reference anal fissure Opens New Window, bleeding gums, or nosebleeds.
- Having cleaning products in the toilet water at the time of the test.
| By: | Reference Healthwise Staff | Last Revised: Reference January 17, 2012 |
| Medical Review: | Reference Adam Husney, MD - Family Medicine
Reference Arvydas D. Vanagunas, MD - Gastroenterology |
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