Dr. Michelle Dern of Children’s Physicians Medical Group (CPMG), practicing at El Camino Pediatrics in Encinitas, explains when to be concerned if your child is running a fever. How to take temperatures is different for babies, toddlers and bigger kids, as is the amount of medication you can give them. Dr. Dern let’s you know when to call the doctor if your child is experiencing other symptoms with the fever.