Diagnosis of exclusion for patient with chronic cough, normal CXR, no other telltale signs or symptoms.Simply Tx for GERD if typical Symptoms (especially after meals):
- substernal burning
- sour taste in mouth
- If no change, drop it.
If helpful, continue med at standard dose or even change to H-2 Antihistamine (famotidine, etc.) [(& keep in mind it may all be placebo response].
See posting Chronic Cough.