As a child I would sometimes get very sharp pains in the back of my head, that would bring me to tears, but then the pain would subside and I would be fine. They were always called growing pains, and as I got older they got less frequent. I'm now 42 and only get them every few years. I had one last Thursday, but still today, if I turn my head just right or move the wrong way, it's still a achy pain in my head, same spot. I don't have insurance, but hate to ignore this if it might be something serious....