sir from last 1 month my head becoming heavy as if we get cold then our head will be getting heavy like that i am getting my head heavy one side i.e, left side and my eye i.,e left eye some times i am getting heavy when i bend down to wear sandle and some times i getting pain on left head.. what is the reason is there any serious matter.. on Doctor MD suggestion i have used sinarest, cypcol 10 mg and vasograin but no use what to do.. i have also consulted eye specialist he said nothing in your eyes.. so plz help me in solving problem