Shoulder/Rib pain, not sure if it's my lung or fibro

The past few months have been miserable. I've had what the doctor thinks is a sinus infection for 3-4 months now. They tried antibiotics twice, then steroids, and nothing changed. It is finally getting a bit better but I still have times when I can't breathe through my nose. All this caused my asthma and fibro to go nuts. I am still taking the inhaler steroids. I'm super confused as to what's going on. I've been getting horrible pain in the back of my shoulder and in my side at certain spots that are far worse when I take a deep breath. I have a lot of scars on that side which are very tender now as well. I just can't tell if it's from sitting and laying too much due to how sick I've been lately or if it could be something far worse. I've had a lung collapse before and experienced pain in these areas during it, but the pain is not constant it seems to be worse at night when I am sitting more. I feel like my breathing isn't 100% on that side though I can't tell if it's because of the pain or why the pain is there. i am mostly normal during the day now,but nights are horrible. I see the doctor Monday I'm really starting to get scared by it all though. Has anyone ever had bad pain from sitting too much or had the fibro cause an area with scars to be extremely painful?

I agree that seeing a doctor would help. Try not to stress while you wait.