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  1. Stool color: When to worry - Mayo Clinic

    Oct 10, 2024 · Yesterday, my stool color was bright green. Should I be concerned? Stool comes in a range of colors. All shades of brown and even green are considered typical. Only rarely does stool …

  2. Constipation - Symptoms and causes - Mayo Clinic

    Apr 15, 2025 · Constipation is usually treated with changes in diet and exercise or with nonprescription medicines. Constipation may require medicines, changes in medicines or other treatments …

  3. Narrow stools: Should I be concerned? - Mayo Clinic

    Jan 11, 2024 · Narrow stools that happen now and then probably are harmless. But in some cases, narrow stools — especially if pencil thin — may be a sign that the colon is narrowing or has a …

  4. Blood in stool in adults - Mayo Clinic

    Choose a symptom Selected Select related factors View possible causes Blood in stool in adults Find possible causes of blood in stool based on specific factors. Check one or more factors on this page …

  5. Green stool - Mayo Clinic

    Jul 8, 2005 · Green stool — when your feces look green — is usually the result of something you ate, such as spinach or dyes in some foods. Certain medicines or iron supplements also can cause green …

  6. Pinworm infection - Symptoms & causes - Mayo Clinic

    Dec 16, 2025 · A pinworm infection is one of the most common worm infections worldwide. Pinworms are thin and white. They're about 1/4 to 1/2 inch — about 6 to 13 millimeters — long. Pinworm …

  7. White stool: Should I be concerned? - Mayo Clinic

    Jul 3, 2025 · White stool isn't typical. If you have white stool, you should see a medical professional right away. A lack of bile causes white or clay-like stool. That may mean a serious underlying problem. …

  8. Undigested food in stool: What does it mean? - Mayo Clinic

    Oct 12, 2023 · Sometimes, you may see undigested food fragments in stool. This usually is high-fiber vegetable matter, which usually isn't broken down and absorbed in your digestive tract. At times, …

  9. Mucus in stool: A concern? - Mayo Clinic

    May 30, 2024 · A small amount of mucus in stool is usually nothing to worry about. Stool often contains a small amount of mucus. Mucus is a jellylike substance that your intestines make to keep the lining …

  10. Rectal bleeding Causes - Mayo Clinic

    Dec 7, 2023 · Blood in your stool, on the toilet paper or in the toilet bowl can have various causes. See your doctor if it lasts more than a day or two.