What is a 9 letter word for type of diarrhea in the very young?

The 9-letter Word for a type of diarrhea in the very young is "gastroenteritis." This condition often involves inflammation of the stomach and intestines, leading to symptoms such as diarrhea, vomiting, and abdominal pain. It is commonly caused by viral infections, bacteria, or parasites. In infants and young children, it can lead to dehydration if not managed properly.