Been to ENT, GP (twice), had chest xray. 4 weeks of tight dry cough plus others symptoms such as sore throat, headache, achey, low energy. Coughing up Green phlegm in am is worst. Some during day, Most coughing at morning and night. Lungs are clear. chest xray shows lungs are normal. Mostly in chest throughout. Deep breathing initiates a tight dry cough. Symptoms of drainage with medium or little congestion in sinus but not always present. Nasal passages are sore to the touch. left side is bleeding even though I m blowing my nose very little.