What might affect a stool test for colorectal cancer?

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  1. Healthwise
     
    Healthwise answered:

    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 anal fissure, bleeding gums or nosebleeds.
    • Having cleaning products in the toilet water at the time of the test.
    More Related Answers from Healthwise
    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 anal fissure, bleeding gums or nosebleeds. Having cleaning products in the toilet... More