Cough can be a symptom of different diseases such as colds , asthma or bronchitis . But regardless of diseases, coughing is a normal reaction of the body, for example when a foreign body causes discomfort in the respiratory tract.
Coughing is an instinctive defense reaction of the respiratory system to release - and keep clear - the airways. For example, when accidentally breathing dust particles, smoke or breadcrumbs, it irritates the "sensors" (receptors) on the mucous membranes of the larynx, trachea and bronchi. This irritation causes the reflex to cough. But you can also cough deliberately.
Cough occurs in diseases involving the irritated respiratory tract, for example with mucus accumulated in the airways (in the case of a cold, for example). In particular respiratory tract infections, as well as some lung diseases often cause a cough. In these cases, cough is usually used to evacuate pathogens, mucus and other secretions from the airways. In order to treat cough effectively and attack the root problem, it is essential to know the trigger.
There are different forms of cough, they are differentiated among others by their duration: a sudden acute cough disappears faster than a chronic cough (such as cough irritation in heavy long-term smokers). Chronic cough lasts more than three weeks.
Acute cough or chronic cough: in both cases, it may be a cough without expectoration (dry cough or ineffective cough) or a cough with expectoration (effective cough). In case of bacterial infections of the respiratory tract for example, cough is typically accompanied by viscous and purulent secretions. If the expectoration contains blood or if the cough expels pure blood, the doctors talk about hemoptysis.
Note that a strong and permanent cough (chronic cough) can cause other symptoms such as: headache, nausea, muscle pain, or temporary urinary incontinence.
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