Stool Color Meanings
An unusual stool color can be the result of a food or dietary supplement, but it can also be a symptom of a health problem. The article provides you with a stool color chart depicting stool color meanings and the probable causes associated with it.
Characteristic Features of an Ideal Stool
- It should be light to medium brown in color.
- It should have the consistency of toothpaste.
- Its length should be between 4-8 inches.
- It should leave the body comfortably, without any strain.
- It should enter the water of the lavatory smoothly and slowly fall down on reaching the water.
Stool Color Chart
| Stool Color | Stool Color Meaning | Probable Health or Dietary Causes |
| Light to medium brown | Normal | Normal |
| Very light brown | Too much fat in the body, liver problem, or constipation | Insufficient fiber content in the diet |
| Black | Duodenal ulcer, Internal bleeding in the upper section of the GI tract, i.e. Esophagus, stomach or first section of the small intestine | Consumption of highly concentrated iron supplements, large quantities of olives, licorice, blue berries; heavy intake of alcohol, improper blood flow to the intestine, and vascular malformation |
| Dark red or maroon | Internal bleeding of the lower section of the GI tract, internal hemorrhoids, anal fissure, colon polyps, diverticulitis, or colon cancer | Internal bleeding causes blood to seep into the colon and get mixed with the blood |
| Bright red | Hemorrhoids, digestive system disorders, or colon cancer | Consumption of foods that are rich in red dyes such as licorice, candy, and other artificially colored food items, all causes of black or dark red colored stool in addition |
| Orange | Gallbladder malfunctioning, fast transit time | Gallbladder malfunction, fast transit time, consumption of medicines or foods like carrots and spinach containing beta-carotene, antacids containing aluminum hydroxide, and artificially synthesized food items |
| Yellow | Gilbert's syndrome, malabsorption, giardiasis, and pancreatic cancer | Gilbert's syndrome leads to poor processing of red blood cells; malabsorption of fats leads it to the colon, where it mixes with stool; in giardiasis, the protozoans cause diarrhea |
| Dark Green Stool | Indigestion of green vegetables such as spinach, a fast transit time, irritable bowel syndrome, ulcerative colitis and celiac disease | Consumption of green leafy vegetables, foods flavored with limes, iron supplements, vitamin supplements containing chlorophyll, or foods that contain green dyes such as Kool-Aid and gelatin |
| Gray | Malabsorption | Blockage of bile flow from gallbladder to intestine. The most probable reason is presence of tumor in the bile ducts or pancreas |
| Clay | Malabsorption, hepatitis, gallbladder disorders | Hepatitis and gallbladder problems disrupt the flow of bile out of the liver, and hence the stool turns to clay |
You can also read more on: Hope, the above-mentioned stool color chart depicting the stool color meanings, along with the possible causes, comes to your help in timely detection of any sort of medical sickness, and maintaining a sound health throughout your life.

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