Aprox. 2 months ago I developed pain in the upper left quadrant of my back-shoulder area. I thought I must of some how pulled my intercostal's.
It is painful to reach back or up with my left arm, or lift anything while in this position and is uncomfortable to cough or sneeze. I thought the problem would lessen over time, so I've been trying to wait it out. Now after 2 months I'm becoming concerned that it might be something more serious.

If you have any idea what this could be I would be most grateful to know as well. I'm at a loss at this point.