Blue is far from the usual stool color, but it isn’t usually a cause for concern. Most of the time, blue stool is due to blue pigments or dyes that come out when your food is digested. If you take a ...

Some diarrhea medications can cause changes in stool color, such as black or white stool. However, passing white stools can indicate a serious medical condition, such as a blocked bile duct or liver ...

It’s perfectly normal to sometimes see some undigested food in your stool. But if you have other symptoms, it might be a sign of a health problem. Is It Normal to Have Undigested Food in Your Stool?

The color of your stool generally reflects what you have eaten and how much bile is in your stool. Bile is a yellow-green fluid excreted by your liver and aids digestion. As bile travels through your ...

If you are having digestive symptoms, your doctor may prescribe an at-home stool test, in which you collect stool samples and send them to a lab or bring them to your doctor’s office for analysis.