Asthma VS Cough Variant Asthma

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A very common chronic disease of the respiratory system is asthma. The symptoms of asthma are coughing in combination with wheezing and shortness of breath. Especially young children suffer from a special form of asthma, the so-called cough-variant asthma (CVA). However, the symptoms of CVA are only chronic coughing without wheezing or shortness of breath. In numerous cases, CVA directly leads to asthma.

In both cases, the causes are very complex and not fully understand yet. Recent studies show that a complex combination of environmental and genetic influences are responsible for asthma and CVA. Certain chemicals, tobacco smoke and high air pollution are known to induce asthma. Especially mature tobacco smoke can cause serious lung problems in the unborn baby. If a baby is born earlier than in the 32nd week, the lung is not completely developed. People with any form of asthma are usually very sensitive to certain specific environmental triggers that cause the symptoms. Typical triggers are tobacco smoke, perfumes, chemicals or a sudden change of the air temperature. Usually, the number of individual triggers is increasing with time.

The detection of CVA is very difficult since the chronic coughing is not specific. In certain cases, the CVA determination is performed in an indirect way. In cases when the body is reacting positively on asthma treatment without a complete asthma condition, CVA tends to be the final diagnose. Other diagnoses are slightly changed versions of classic asthma diction methods.

Because of its complexity, a cure for the disease is very difficult. In most cases the treatment is a combination of determining and avoiding the trigger and medicaments that treat the symptoms. The analogy between asthma and CVA can be seen also in the treatment of the symptoms. Both conditions are treated with the same medicaments, usually an inhaler containing fast-acting bronchodilators. 

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