Variant asthma often refers to cough variant asthma or chest tightness variant asthma, is a special type of asthma with cough or chest tightness as the main symptom, is not contagious and will not infect others.
Asthma is a chronic airway inflammation and airway hyperresponsiveness as the characteristics of the disease, the cause of its pathogenesis is complex, mainly by the dual influence of genetic factors and environmental factors, and its onset has a family cluster phenomenon.
Cough variant asthma or chest tightness variant asthma belongs to a special type of asthma with a similar pathogenesis, and there are no infectious elements such as sources of infection, transmission routes, susceptible populations, etc., and it is not infectious to others.
Its treatment is similar to that of asthma and involves long-term, standardized treatment under the advice of a physician to achieve good or complete control.