text: constant headache, fatigued, always cold, everything aches, vision blurs in and out? no ambition, dizziness, extremely dry itchy skin and having spells where it's hard to breathe.  went to doctor and they said a week for blood work to come back.   any idea what this could be??  it's being going on for a while now. take care of yourself hunny especially the vision.  i am an er nurse i say go to the doctor immediately. get a full ct done of the head.