I have been sick for going on four weeks now. It keeps changing each week from a stuff nose wear i cant breathe at all to my throat hurting and my chest hurting when i breathe or talk. Im constantly falling asleep and keep having a fever on and off all the time. I went to the urgent care a week ago n they said i had the beginning of pneumonia. He only gave me a zpack and some cough medicine. The thing is I feel worse not better at all....what should i do?