Following is/are the causes of a chronic cough with noncontributory chest radiograph?
90% of patients who have a chronic cough and a normal or noncontributory chest radiograph belong to one of the following causes:Use of an angiotensin-conveing enzyme inhibitor;Post -nasal drainage;Gastroesophageal reflux; andAsthmaRef: PL Dhingra, Diseases of Ear, Nose & Throat, 7th edition
Asthma
Post nasal drip
GERD
All the above
Larynx