Checking a fever this way is more accurate than we used to think. But if you're going to call the doctor, actually measure the fever. Warm food or drink can also raise the oral temperature. If you suspect such an effect on the temperature of your child, take his temperature again in a half hour. It is the body's normal response to infections.
Fever helps fight infections by turning on the body's immune system.
Teething does not cause fever. In general, the height of the fever doesn't relate to the seriousness of the illness. How sick your child acts is what counts. Fortunately, the brain's thermostat keeps untreated fevers below this level. Since this type of seizure is generally harmless, it is not worth worrying about excessively.