For parents, the biggest worry when taking care of their baby is that the baby is sick, such as dehydration. Because there are many causes, it will also lead to different symptoms. So it is very important to know the relevant knowledge in time. Let's take a look at the symptoms of baby dehydration. 1. Mild symptoms: If the baby has loose bowels, but the situation is not very serious, the eye socket is not sunken, there are many tears, the mouth is moist, and drinking water is normal, indicating that there is no obvious dehydration. In addition, if the baby's skin is elastic, then parents can watch at home and take good care of it without worrying too much. 2. General symptoms: the baby is fidgety, noisy, his eyes are slightly concave, his tears are less than usual, and his oral mucosa is dry and thirsty. These symptoms indicate that the baby has a certain degree of dehydration and should be treated according to the baby's specific situation. Pay attention to replenish water to your baby in time. At the same time, drug therapy or infusion therapy can be taken. 3. hypertonic dehydration: If the baby is dehydrated seriously, it will cause drowsiness, coma, sunken eye sockets, inability to close eyes during sleep, no tears, abnormal dryness of oral cavity and tongue mucosa, and poor skin elasticity. These symptoms will show that the baby is dehydrated seriously and must go to the hospital for rescue.