I Am Dealing With A Fever And A Cough With

I am dealing with a fever and a cough with light mucus ,this take Advil to help with the pain and fever and within 4 to 5 hours,the fever breaks and I sweat greatly.This as chronic for the last week to ten days.A brief history,I had lung surgery eight and half weeks ago,also I deal with CHF and do take water pills in which I am not voiding as much as use too,my lower extremenities in my legs due swell up in the evening all the way up to my thighs.