hello dr i have burning senation lower back of my head, under my write ear, yes buring iv had it for 8 days now what could it be dr, im 50 years old now and i did get shingles 2012,5 years ago, now im 100 kg my blood presure is good 130 / 91 , 94 and i dont have fever but have been feeling really tired last 2 weeks.