Hi. I ve been sick on and off for 6 weeks; sometimes I feel like I m getting better then I get worse. Now, I m the worst I ve been. Constant fever, sometimes slight, spikes nightly..sinus then moved to throat...the moved into lungs. My head HURts all the time, my body aches all the time, nothing makes me feel better and now I just threw up, even tho I barely ate anything today. I can t breathe deeply without coughing...and that hurst my back. please help