my son got high fever for 5 days la... he reject to eat anything... any can help ??? he only eat 15oz milk a day.... he just turn to one his weight fm 19lbs drop to 17lbs .. actually , when he is baby he is not eat too much... he drink around 5oz each time but he can keep his weight... but now he don't like to eat n drink ... my friend said may be i need to change another formula ... any suggestion ?? japanese formula is it good ???