my 14 yr old step son has been getting dizzy and light headed.....but his sugar is normal and he has eaten....what could be causing this? He did recently have an inner ear infection and was perscribed medicine for it he took it as perscibed untill he felt better...but then he stopped taking it....i know he shouldve kept taking it until it was all gone as directed but he said it made him sick and he didnt want to finish the medicine.