Latest news Brain cell identified as 'mediator of disease'. Its been hurting for days. It has been associated with sweating, nausea, vomiting, shortness of breath, fainting feelings, a racing heart and dizziness. More severe causes of pleurisy include rheumatoid arthritis and lung cancer. The entire content of this website is copyrighted and should not be copied without permission. If stenosis becomes more severe, chest pain on the left side under the breast and the following additional symptoms may appear:. I am about ready to just go to the local ER again.