while working in the basement at work, I reached into a box and hit my hand pretty hard right on the knuckle of my right hand, middle finder. This happened in November. I figured the bruise and soreness would heal. It is Decmeber 23, and it occasionary will re-bruise and become painful again. I find no particular reason why it just all of sudden bruiese again and hurts. (I did not punch anything, but that is what the knuckle at the base of the figner on my looks hand implies. It is strange that it will be fine and then keep re-bruising. Suggestions? could it be fractured? If so, what can be done?