What are the characteristics of early symptoms of variant asthma

summary

Asthma is a common disease in our life, which is related to the temperature of our living environment. There are many kinds of asthma, including bronchial asthma, allergic asthma, Senile Asthma and variant asthma. Here is a detailed introduction to the early symptoms of variant asthma.

What are the characteristics of early symptoms of variant asthma

Attack time is a certain seasonal, usually in spring, autumn two seasons repeated attacks, there are aggravating phenomenon. In adults with cough asthma, the age of onset is higher than that of typical asthma. About 13% of the patients are older than 50 years old, and there are more middle-aged women. In childhood, cough may be the only symptom of asthma, or even a precursor to the development of bronchial asthma.

The main clinical manifestation is long-term stubborn dry cough, which is usually induced by exercise or inhalation of cold air. It is easy to be induced after upper respiratory tract infection, and aggravates in the evening or early morning. There is no wheezing sound during physical examination. The lung function damage is between normal heat energy and typical asthma, and the skin allergen test can be positive.

General antitussive and expectorant drugs and antibiotics have no effect, β 2-receptor agonist, theophylline or adrenocortical hormone can alleviate the symptoms.

matters needing attention

Improve the indoor environment: improve the air quality of breathing, put some plants that can generate negative ions in the room, and improve the content of negative oxygen ions in the room has a very obvious effect on the prevention of asthma.