question: Intake various meds for depression,insomnia, and mitral-valve. I m experiencing a tight heavy feeling in my chest and I have to try and yawn to get a breath. It is also uncomfortable ache all throughout my upper back. I have chronic pain treated with an intra-thecal dilauded pump. I also have very shallow breathing. I m also getting nausea, rigid,painful, bloating in stomach, no appetite. I m 5 6 215 lbs. the pain,breathing, and stomach/bowel problems are my main concern