I have had blood work done and it shows nothing  but none of my doctors can figure it out I have a pain that goes deep on my left side of my neck around the artery I have no swelling there is no bumps it has been coming and going for a little over a year and nobody can figure it out it doesn't hurt to move my neck to swallow it stays the same it doesn't seem to affect it it will last anywhere from four to six days and then it goes away and then it'll come back does anyone have any ideas I have tried anti inflammatory medicine