The reason:
Immune system is working too hard with the blood system that it is rupturing and mutating. There is this nuclear crisis in Japan and storms can carry extra radiation to formulate this mutation. It is better to checkup before it gets worse, however pick the healthier and least expectancy of harmful healers. I experienced HIV patients developed by these beginning headaches.
It is possible that you have a sinus infection. Are you running a fever and are you tender if you press your cheek bones? Sinus headaches can be as bad as a migraine and lasts that same amount of time. If so, antibiotics, lots of liquids and meds for the headache. Good luck.
could be a sinus infection