For 3 and half years now everyday for about 2 to 3 hours a day it starts in my nose it starts hurting realy bad then my head eye face my top teeth bottom teeth my ear it won't go away no matter what I take the doctors say sinces but come on know for that long I have taken everything they have gave me and nothing works its killing me I can't hang out with my friends when I get off work or anything couse I never know when it will start