Why does allergic bronchitis show individual differences?

Allergic bronchitis, like allergic asthma, cough variant asthma and other conditions in the same category, is related to allergy. In particular, the similarity between allergic bronchitis and cough variant asthma is like two stages of one disease, and some also call both of them allergic cough. In the 1970s, it was called variant asthma. The two are extremely easy to confuse with each other; for example, cough variant asthma is characterized by persistent long-term coughing, so it is easily misdiagnosed as allergic bronchitis.

Allergic bronchitis

In terms of specific manifestations, allergic bronchitis and cough variant asthma both essentially also involve mild airway inflammation. And most physicians and scholars believe that, like the pathogenesis of typical asthma, both are manifestations of airway allergic inflammation. In terms of onset, it is mainly closely related to factors such as family, the individual, the living environment, and allergens in the workspace. And the individual differences here play a very dominant role.

Individual differences are determined by heredity and by the effects of environmental changes during growth, by the responsiveness of different bodies and different constitutions to various pathogenic factors, and in individuals there are also different reactions to environmental allergens at various stages of the body; for example, during adolescence the body's resistance strengthens, and the allergic bronchitis or cough variant asthma suffered in childhood may have reduced airway inflammation, and the condition may also disappear.

Cough variant asthma

As a result, people's awareness of protection also declines, or they may think they have fully recovered, but once they reach middle age, resistance declines, and once a cold or similar illness triggers allergic bronchitis, because of physiological changes, the reaction of stimulating smooth muscle and causing spasm becomes stronger, thereby aggravating wheezing; if during inflammation, due mainly to constitution and other reasons, there is swelling of the bronchial mucosa, then chest tightness will predominate; if due to constitution or other factors the inflammation only irritates the mucosal surface, it may manifest only as a dry cough.

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