Sharp stabbing pain in back when breathing deeply?

It happens at random times, not often but I never know when it's going to happen. I'll be breathing and I'll feel a pain in my ribs or back. It's usually when I take deep breaths and I have to tell myself not to do that because it causes pain. It eventually goes away (I think this is for the rib ones). Right now, I felt that pain when breathing deep, told myself it would go away and right as I got off the couch, pain shot through my back. It felt very painful and almost like I was paralyzed.. I couldn't move my back and it was hard to talk because of the pain. I think this has only happened once before while I was sleeping. These "back" ones are longer lasting and more painful than the rib ones. Not too sure what is causing this or if it's a big problem. Does anyone know?