Hi last week on Wednesday I started to suffer a bad cough that I had already had for about a week but worsened, it caused chest pains, muscle aches and headaches, I also had the shivers when my body was hot and 2 nights my temp was 38.5. Since Sunday I feel so muh better, but still have a cough, not as bad and I am starting to bring up slight orange phlegm? Also I feel some sort of a rubbing/ crackling sensation at bottom to mid area of my left chest? Any information would be great. Thanks.