MY ENTIRE HEAD HURTS FROM NERVE PAIN, THIS COMES AND GOES, TODAY IT'S BEEN PAIN ALL DAY. I HAD THE SHINGLES 7 YEARS AGO AND WAS LEFT WITH PHN PAIN ON THE LEFT SIDE OF MY HEAD, DON'T KNOW IF THE PAIN IS FROM THAT, BUT IT REALLY HURTS, DON'T KNOW WHAT TYPE OF DR TO GO SEE.