Constipation can cause stools that are hard and large, which can hurt when you pass them. Stressing your anal canal from constipation can also cause anal fissures, which are small tears. Anal cancer ...

Find out what might be causing blue-tinged stool, including foods and medications. Get advice from experts on when it's time to call your doctor.

If you've ever answered nature's call and encountered a mysterious, unexpected shade of green, you're not alone. But what does it mean if your poop is green? While green poop is often due to dietary ...

Bleeding in the gastrointestinal tract and colon cancer can cause black poop (also known as melena). But black stool doesn't always mean there is an underlying health concern. Dark-colored foods, iron ...

Here's what you need to know: Is it OK if your poop is green? According to mayoclinic.org, all shades of brown and even green poop are considered to be normal. It is rare for the color of your poop to ...