1. How to judge whether the baby has a fever? What should I do if my baby has a low-grade fever? First you need to know how to tell if your baby has a fever. Under normal circumstances, the body temperature of infants and young children is within the normal range between 36.5°C and 37.5°C. If it exceeds 37.5°C, it is considered a mild fever. This can be determined by measuring the body temperature in the armpit, mouth or anus with a thermometer. 2. What impact does low-grade fever have on the baby? Although low-grade fever will not have much impact on the baby\’s body, if not treated in time, it may cause the body temperature to rise and then cause high fever. And high fever will affect the child