Persistent Dry cough is also a cough but the resulting cough is dry and does not contain phlegm due either to the absence of mucus or to the mucus being thick. The cough is a phenomenon that is carried out when the sensory nerves along the inner lining of the breathing passageway detect the presence of some microbes or unwanted particles.
Persistent Dry cough may be due to environmental pollution as well, but the cough in general and Persistent dry cough in particular is not a disease in itself but is a symptom, which in the presence of other of symptoms point out to the nature of disease in a patient. Read the rest of this entry »