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What is Cough?

Large breathing passages from excess secretions are cleared by the defense mechanisms that occur repetitively and this is termed as cough. Certain secretions, irritants, foreign particles can also block air passage and microbes are also responsible for blocking the air passage. Reflexes associated with cough are of three phases and these include inhalation, forced exhalation that is alongside a closed glottis and thirdly there is a violent release of air from the lungs. This is followed due to the opening of the glottis and it is accompanied by a distinctive sound. Coughing can occur voluntarily or non-voluntarily. It should be remembered that coughing can also indicate the presence of a disease and most of the viruses and bacteria gain by causing their host to cough as this helps to spread the infection to newer hosts. Coughing can be classified into acute, sub-acute and chronic, with the duration of each stage increasing and the disease also gets intense. There are times when this cough is dry or productive, and this depends on whether sputum is coughed up.

Causes of Coughing:
Different kinds of respiratory disorders associated with infections and coughing include tract infections like common cold, pneumonia, pertussis, and tuberculosis, with the latter being a rare finding in normal chest X-rays. There are other causes of cough and usually chronic cough is caused due to asthma, post-nasal drip, gastro esophageal reflux disease, post viral cough and ACE inhibitors. Often asthma patients suffer from cough-variant asthma. The two kinds of cough have different causes and it has been seen that atopic cough can happen in people with a family history of atopy or even abundant eosinophils in the sputum. Coughing is the characteristic of bronchial asthma and when some people with mild asthma may get cough as a symptom of the disease. Even people with heartburns are prone to cold as the acid from the stomach can get back into your throat and this is also known as acid reflux, which leads to cough. There are some allergies caused by postnasal that run down the throat from the back of the nose and lead to cough. Apart from these factors dust, smoke, molds, pets, certain plants, cleaning agents and room deodorizers can cause allergic reactions and cough.

Treatments for cough

Natural, home remedies and ayurvedic: There are various kinds of treatments for cough and these are associated with the type of cough that a person is suffering from. The common cough can be easily treated through medicines like cough suppressants, which help to suppress the bodies urge to cough along with expectorants that loosen mucus in the respiratory tract. Cough suppressants can help to reduce the urge to cough. Some of the cough suppressants are provided with elements called codeine and dextromethorphan, which work through depolarization of the vagus nerve. This nerve leads from the brain stem and caters to the chest area. Benzonatate is the key element used in preparing many drugs that work by anesthetizing stretch receptors in the lungs. Treatments for cough can be availed at all major hospitals like Apollo.


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