like gallstones, may sometimes be preventable. In the case of gallstones, you can do the following to prevent them and the clay-colored stool they may cause: Sometimes stool can look clay-colored ...

like Pepto-Bismol, may change the color of your poop and cause it to look paler, grayer, or darker than normal. Pepto Bismol is often associated with black stools, though some claim it can also ...