had a non productive cough for about a month, after 1 week, went to docs, gave me anti biotics, he said chest infection in left lung. after 4-5 days, the coughing eased for a week , but still had this involuntary grunt/exhalation of air/semi cough, usually in middle of talking. week past ,bad cough back. 2nd lot of antti- biots, docs said the lungs were clear. still coughing after 6 days of anti-biots. feeling drained, chest hurting, especially inbetween blades, short of breath after moving, cough starts again, this involuntary grunt still there,- fed up??