I was getting a nerve block in my left rib cage about 2 1/2 months ago at the doctor punctured my long and caused a up I was in a lot of pain when that happened but and spent three days in the hospital then I came home and I felt a lot better but slowly that left rib cage is starting to hurt again and I am worried that it’s I I’ve had x-rays and the x-rays don’t show anything but I’m afraid that pneumothorax is cause some kind of infection or something is that possible

Summarized question: What are the symptoms of pneumothorax?