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Asthma is a lung disease. This type of allergy starts when there is an allergen or and irritant in the air one is sensitive to. A person who has got asthma has also got very sensitive airways that swell and narrow when there is an allergen. If it’s breathed in, there may be a spasm of the muscles that surround airways and this may result in troubled breathing.
Asthma may appear unexpectedly as there are a lot of triggers such as smoke, colds, cold weather, etc. One having asthma should be always careful and avoid any chance of interfering with an allergen (dust, smoking, pollen, mold, tablets, pets, air-fresheners, conditioners, food, drinks, etc.). The symptoms of asthma are the following: tightness in the chest, wheezing, cough and troubled breathing.
One should know the list of things that may cause asthmatic fit. The doctor will help to control this condition and, perhaps, one will need to do several allergy tests.

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