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 ...

White poop may indicate liver or bile duct issues and needs medical attention. Certain medications, like antacids and barium sulfate enemas, can cause pale or white poop. In children, white poop could ...

Large doses of antidiarrheal drugs like bismuth subsalicylate (Pepto-Bismol, Kaopectate) can cause very light stools that usually turn brown again after stopping. White or clay-colored stool can ...