I have a new pain in my left back Just below the last rib? It sometimes is pretty severe. I have been experiencing Air/gas inm my upper stomach that is causing atrib fibulation and is setteling in my upper back behind my shoulder blade and in the upper shoulder and left arm. I am a C O P D patient and have been uneing a concentrator for 11 years my flow setting is about 2 or just a little over two sometimes when I am gasping for breath..
Hi, Consult a physician and get evaluated. Most the pain might be due to musculoskeletal causes or Costco Chat Doctor.  As of now you can take analgesics like paracetamol or Tramadol for pain relief. Hope I have answered your query. Let me know if I can assist you further.