19 year old female Don't drink and don't smoke First symptoms Friday night October 24 really bad heartburn could not lay down without feeling pain took muscle relaxer. And symptoms went away for 2 days but after that I was now left with sore ache that persist on the left side of chest under my breast. And then throat tightened up and I was constantly spitting up white mucus chest pressure went away after taking mucus pill. No pressure since but when I stretch or move left arm my upper back aches and left side chest under breast aches, accompanied with fast heartbeat when walking around or doing daily activities.