Mucus in the stool of an infant could be a sign of infection that needs immediate treatment. It's important to find out if it ...

During the first 24 hours of life, a newborn passes meconium, a thick, black stool. It comprises cells, amniotic fluid, bile, and mucus the baby ingested in the womb. Meconium is sterile ...

Baby poop can vary greatly ... similar to diarrhea. It may also contain mucus. A milk allergy, sometimes called a cow’s milk protein allergy, occurs when the baby’s immune system overreacts ...

Constipation is a concern if bowel movements are hard, infrequent, contain blood or mucus or seem to be causing pain. Diarrhea can be more difficult to detect because a baby's stool is naturally ...