Im a 28 yr old female. for the past 9 months i have had lighteheadedness that comes and goes. but lately for the past 3 months i have had extreme pressure on my left and right temple, on the bridge of my nose, behind my ears and behind my head. i wake up feeling very nauseous and week, i wake up tired and lightheaded every morning with that pressure.. i have had so mant exams done. blood work, MRI, CT Scan and everything looks fine, so they say... what is wrong with me? I cant atake this anymore!!! please help!!!