10 Baby Dehydration Signs: How to Recognize and Act Fast?

Mother checking baby's mouth for dryness, one of the earliest baby dehydration signs

Knowing the most critical baby dehydration signs is one of the most important skills a parent or caregiver can develop. Babies are among the most vulnerable human beings on the planet when it comes to fluid loss. Their bodies are composed of approximately 75% water at birth, compared to roughly 55% in adults. This difference,