Marcia Speck
                    
                    
                    
                    
                    
                    
                    
                        
                        
                        I had a cough for 7 weeks after an upper  repiratory infection. My PCP said the cough  was nothing and that weekend I was in the  ER on a breathing machine. I changed doctors  and found out I had tracheal bronchitus.   Make sure your doctor knows what they are  doing!