Why does a person cough?
Why does a person cough?
Cough is a protective reaction of the body, which ensures the safety and purification of the respiratory tract from internal irritants (mucus, sputum, blood) and foreign bodies (food, dust, etc.).
In an absolutely healthy person under normal conditions of life, coughing can not be. It can occur as a response to irritation of the respiratory tract or as a consequence of various diseases.
There are several types of cough: dry cough; cough with phlegm; cough that occurs in the morning, evening and night.
With a dry cough, sputum is absent, andmoist can be released in any quantity and different consistency. Morning or evening cough may be weak and violent, persistent and intermittent, accompanied by pain or lack of it.
A dry cough that does not cause relief may indicate bronchitis. Such a cough can occur with pleurisy, pneumonia, tuberculosis, ARI and ARVI.
Cough with sputum can occur with diseases such as bronchitis, tracheitis, pneumonia.
Cough that occurs in the morning hours, as a rule, is chronic. Most often it happens in smokers, in people with bronchoectatic disease or lung abscess.
Evening cough is characteristic of pharyngitis, bronchitis, sinusitis and pneumonia.
Separately, you can distinguish an allergic cough, hediffers from a cough infectious in that there is no increase in body temperature, sputum. Cough is dry and strong, a vomitive reflex can arise.
It should be remembered that if a cough persists for a long time, you should definitely consult a doctor.