Did you ever get a solution to this problem. I am having the same thing.
Hi,
Do you have any other symptoms like breathlessness, reflux symptoms or heartburn or nasal symptoms like nasal discharge etc. Do you smoke?
Chronic cough is usually seen in cases of asthma, GERD or gastro esophageal reflux disease and sinusitis due to the post nasal drip.
You should try steam inhalation, warm saline gargles, saline nasal drops and oral antihistamine medications and see if it helps with your symptoms.
If the cough still persists, it would be best to consult your doctor and also get a chest xray done to rule out a chest infection.
Let us know about how you are doing and if you need any other information.
Regards.