But certain health conditions, such as an allergy or infection, can also cause mucus in their poop. Because their diet is liquid in the first months of life, babies have stool that doesn’t ...

Poop doesn’t usually smell good, but stool from rotavirus may have a distinctly foul smell, akin to a slight sulfur or rotten egg smell. A 1987 study found that rotavirus stools in children had ...

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