| Metadata | |
|---|---|
| ID | SYMP:0000686 | 
| Name | chronic cough | 
| Definition | A cough that is characterized by an explosive expulsion of air from the lungs acting as a protective mechanism to clear the air passages or as a symptom of pulmonary disturbance marked by long duration, by frequent recurrence over a long time, and often by slowly progressing seriousness.  http://www2.merriam-webster.com/cgi-bin/mwmednlm?book=Medical&va=chronic  | 
			    
                        
| Parent Relationships | 
                            
			        
                                 is_a cough  | 
                         
| Related Diseases | 
                            
                                 has symptom  |