What causes variant asthma

summary

The incidence rate of variant asthma is not only high but also easy to recurrent. Cough variant asthma is a special type of asthma with chronic cough as the main or only clinical manifestation. Cough asthma is a common one. It's also a very dangerous disease. What's the cause of variant asthma? Let me talk about it.

What causes variant asthma

First, the causes of cough asthma are complicated. In addition to the subjective factors such as the patient's own "genetic quality", immune status, mental state, endocrine and health status, the environmental factors such as allergens, virus infection, occupational factors, climate, drugs, sports and food are also important reasons for the occurrence and development of asthma.

Second: because cough is a non-specific symptom of many diseases, it is necessary to ask for a detailed history, comprehensive physical examination, chest X-ray, electrocardiogram, fiberoptic bronchoscopy and some special examinations in order to exclude some other diseases that can cause chronic and intractable cough.

Third: chronic bronchitis, gastroesophageal reflux, bronchial asthma, posterior nostril drip are the most common causes of chronic cough, and some patients with gastroesophageal reflux can coexist with bronchial asthma; in addition, chronic cardiac insufficiency, esophageal hiatal hernia, allergic rhinitis, hypertension, airway inflammation, tumor, tuberculosis, foreign body, smoke stimulation, anxiety and so on can lead to chronic cough Cough.

matters needing attention

The complications of cough variant asthma can be combined with hypoxemia, pneumothorax, mediastinal emphysema, and severe acute pulmonary edema. The prognosis of cough asthma is about 1 / 3 ~ 1 / 2. Patients with cough asthma will develop into typical bronchial asthma, and a few patients will gradually relieve their cough.