Cough variant asthma is called cough asthma, which belongs to a special type of asthma. Maybe you know a lot about cough and asthma, that is, you don't know about cough variant asthma. So few people know the symptoms and causes of cough variant asthma. Today, I'd like to introduce you one by one. Let's have a look at those friends who want to know.

Cough variant asthma symptoms

Cough, as a symptom of cough variant asthma, is mainly a persistent dry cough for a long time. It is usually induced by inhalation of irritant odor, pet dander, cold air, contact with allergen, mould, exercise or upper respiratory tract infection, and is usually intensified at night or in the early morning. Some patients have seasonal limitations, especially in spring and autumn. Most of the patients have been treated with antitussive and expectorant drugs and antibiotics for a period of time, with little effect, while the use of glucocorticoids, antiallergic drugs, 2-receptor agonists and theophylline can alleviate it.

Etiology of cough variant asthma

The causes of cough asthma are complicated. In addition to the subjective factors such as genetic quality, immune status, mental and psychological status, endocrine and health status of the patients themselves, environmental factors such as allergens, virus infection, occupational factors, climate, drugs, exercise and diet are also important causes of the development of asthma. Runny nose is the cause of cough variant asthma The most direct reason.

People with cough variant asthma

The incidence of children is relatively high. Over 30% of children with dry cough have been found to be associated with cough variant asthma. In adults, the age of onset of cough variant asthma is higher than that of typical asthma, about 13% of patients are older than 50 years old, and middle-aged women are more common.

Cough variant asthma symptoms and causes of cough variant asthma are introduced here. Variant cough of asthma is common in respiratory diseases. Timely diagnosis and treatment is the right way for patients. I hope it can help you.