Originally Posted by
I_iz_a_fatass
You'll find among the forums very little patience for whining in the context of people NDTFP, insisting their form is good while not posting form checks, and not using google search with site:startingstrength.com added for accuracy.
All of that said, if you're in pain and stopping the lift causing the pain causes it to abate, it suggests your form is off, its an over-use type of injury, or you have biomechanical issues. Since you've already gone the doctor route... you can fill in the blank here.
tl;dr: Get coaching and video your lifts for analysis. You'd be surprised how helpful people on the boards can be when you do this.