The child’s body temperature of 37 degrees more likely to be toddler emergency rash, but less likely; toddler emergency rash diagnosis also need to be combined with the duration of fever, rash characteristics and other clinical symptoms to determine. Generally speaking, children with emergency rash have fever, and the majority of them have a temperature above 39 degrees Celsius, while a few have a fever below 38.5 degrees Celsius. At the same time, the typical manifestation of toddler emergency rash is the sudden onset of high fever, which lasts for 3 to 5 days. Therefore, when the child’s body temperature of 37 degrees more than low fever may be toddler emergency rash, but it is unlikely. In addition, another major feature of toddler rash is that the heat is out of the rash, the body temperature drops suddenly after the whole body appears red maculopapular rash, 2 to 3 days later, the rash will subside on its own, can also be accompanied by diarrhea, loss of appetite and other accompanying symptoms, so based on the body temperature of 37 degrees can not be judged by the toddler measles. There are many reasons why your child’s temperature may be 37 degrees, so we recommend that you seek medical attention to determine the cause of your child’s condition.