What Causes Headache And Pain Over Eye Lid, Ear And Nostril?

symptoms: pain/headache over right eye lid, right ear and right nostril. have had mri,mra, mrv, spinal tap & all negative. neurologist has prescribed plavix for blood flow in brain and retna doc diagnosed brvo (branch retinal vein oclusion) in left eye. hematologist lab tests all negative. thus my original symptoms/pains are still there even tho i have discovered new probs as stated above. what could this be? im seeing ear nose throat doc tomorrow. in too much pain and cannot funtion.