I doubt it is meditation associated, have you seen a doctor about this?
although have you tried imagining space around the area of pain? I find this useful when I have issue with tenion & pain due to some reason or other, although you could use your mouth to breath through or your chest movements/the full movement of the breath as a focus
also you could also just be noticing the tension as your attention goes to the area, so as reflection suggested a body sweeping exercise may also be useful to start with.
He who knows only his own side of the case knows little of that. His reasons may be good, and no one may have been able to refute them.
But if he is equally unable to refute the reasons on the opposite side, if he does not so much as know what they are, he has no ground for preferring either opinion …
He must be able to hear them from persons who actually believe them … he must know them in their most plausible and persuasive form.