Mr Morales is a 55 years old overweight gentleman with complaints of bath breath and dry cough for a few weeks now. The cough is usually worse in the morning after waking up. He also reports suffering form heartburn. What is the most likely cause for this patient's
cough?
Select one:
a. Pneumonia
b. Postnasal drip
O c. Gastroesophageal reflux
d. Asthma