Fumiko, I have problem wif ear thermometer too! When my elder gal is running a fever last week.. After 3days of fever, I measure her temp is 36.x-37.2/3.. So I thought ok.. Forehead also not hot.. But when I go mt A and kkh on the same day, one in e morning, the other in e evening, nurses fr both hospitals measure temp n said high fever, 38.5 and 39degrees.. I was shocked.. Thou my thermometer spoilt le n intend to buy Braun one..