Damn, sounds nasty. I was deaf in one ear last year for about 3 days after a diving trip in greece, it can drive you crazy. I'm no expert on medical matters but I had similar pains a few years ago, I'd have to pull over to the side of the road because the entire left side of my face was so painful, that came down to a wisdom tooth burrowing it's way into a nerve. Hope you find out what it is.