#asktheexpert My daughter is having fever for last 7 days is it necessary for a bloo test

A. Fever in children between 3 months and 3 years old If children have no symptoms suggesting a specific disorder but look ill, have risk factors for a serious bacterial infection, or have a temperature of 102.2° F [39° C] or higher), blood and urine tests are usually done. Sometimes a spinal tap is done.