Wierd sensation in left part of head.

From last 15 days I've weird sensation in my left part of my head, and more significantly on the top of my head and in the area between eye and ear- all in left side. It doesn't seem like a pain much but I can feel some sensation- little stuffy. The overall feeling is that I'm sensing my half head(weird, unexplainable perhaps) and the other half in unsensed, normal just as it is supposed to be. When I close my eyes and try meditating or when I read something from book or newspaper then that sensation gets focused and I feel slight pain or irritation and I am not able to continue my activity (say reading). Some days when it is more felt, it becomes very mild pain. When I move my neck sideways & up-down I've some pain in neck also. Please help me with this.