Black baby poop is common and often normal, but it can indicate health concerns. Learn about its causes, when to worry, and ...

Celiac disease, liver issues, and gallstones are just some of the conditions that can cause the change in stool color.

After that, most newborns have stools the color and consistency of mustard – but even that can differ from baby to baby or if they're feeding breast milk vs formula. Stools of breast-fed babies ...