answer the following questions,
how many times you had this episodes of light headache?
how much time does it continue?
do you feel nausea,vomiting while headache?
what you do to decrease it? and does it help in decreasing it?
where on the head you felt the pain(all over the head,left side,right side,back,front(forehead))
are you taking any medications regarding any other medical illness?
any recent infections?(gastric/respiratory)
any past medical illness?