I Have Severe Left Kidney Pain (as Though I Got

I have severe left kidney pain (as though I got punched in the kidney or it feels like the kidney has extreme pressure) every time I sneeze. I have diverticulitis, and initially (a week from last Sunday) I thought I was having a flare up as the pain started in my side closer to my large intestine. I've been on ciprofolaxin and flagel since then...

The pain is no longer in my side but def hurts around where the kidney would be... It really only hurts bad when I sneeze...

Is this possibly a kidney stone? I still have 4 more days of antibiotics, and an appointment to see my doctor on the 14th.... What should I do?