Table of Contents
- Stool color, texture, and form changes facts
- What are symptoms of stool color changes?
- What does it mean when your stool color changes in color, texture, or form?
- What is the color of normal stool?
- What are the causes of stool color, texture, and form changes?
- Green stools
- Yellow, greasy, and foul smelling stool
- Bright red stools
- Black tarry stools
- Light-colored white or clay-colored stools
- Maroon stools
- Mucous in the stool
- Drugs that change stool color
- Stool that floats
- Changes in the size and shape of stool
- What kind of doctor treats stool color changes?
- How is the cause of stool color changes diagnosed?
- When should I contact my doctor about stool color or texture changes?
- Stool color chart
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Bright red stools
- The most common cause of bright red stool in adults is bleeding from hemorrhoids.
- In infants the most common cause is an anal fissure or tear in the tissue surrounding the anus.
- Other causes for bright red blood in the stool may be more serious such as:
- Infections of the intestines
- Inflammatory bowel disease (Crohn's disease, ulcerative colitis)
- Diverticular bleeding
- Arteriovenous malformations (abnormal communications between arteries and veins in the wall of the intestine that rupture).
- Brisk bleeding from the an ulcer in the esophagus, stomach, or duodenum also may cause stools to be red instead of black if there has not been enough time for the red blood cells to be digested.
- Red food coloring and beets can also give a reddish hue to the stool. Continue Reading
Longo DL. et al. Harrison's Principles of Internal Medicine. McGraw-Hill Professional. 18th edition. 2011.
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