I have been sick for 4 weeks head and chest congested thick green snot coming from nose constant head ach in the top of my head constant unproductive cough that gets worse at night low grade fevers nothing over 102 and I m constantly tired but have problems sleeping I seen 3 doctors and been told I have the flu pneumonia and bronchitis I ve been on 2 rounds of antibiotics had 2 steroid shots and cough syrups and pill nothing has helped what s wrong with me I ve also been on zertec the last 3 months