Cough variant asthma refers to cough as the only or main symptom without typical asthma symptoms such as wheezing and shortness of breath.
The cause of cough variant asthma is not clear, and is generally considered to be related to genetic and environmental factors. It is often triggered by cold air irritation, air pollution, smoke and dust, and usually has a history of recurrent coughing attacks. Common symptoms are severe irritating cough, dry cough or cough with a small amount of white mucus sputum, and coughing at night or early in the morning will worsen.
It is recommended to seek timely medical treatment for symptoms, and choose the appropriate treatment according to the symptoms and examination. At the same time, patients should do a good job of prevention in daily life, strengthen exercise, keep indoor ventilation, wear a mask when traveling, and stay away from allergens to prevent the occurrence of the disease.