How is cough-variant asthma treated?

Aug 11, 2022 Source: Cainiu Health
Dr. Guo Xiheng
Introduction
Cough-variant asthma (CVA), also known as variant asthma, can be managed by reducing smoking and avoiding exposure to harmful gases. CVA is characterized by chronic cough without prominent wheezing. If cough is severe, antitussive medications may be prescribed. Cough-variant asthma is non-contagious and represents a subtype of asthma with a certain genetic predisposition.

Variants asthma is a condition prone to recurrent episodes, commonly presenting with nocturnal coughing. It carries multiple potential complications—including pneumothorax and mediastinal emphysema, multi-organ dysfunction and failure, and lower respiratory tract or pulmonary infections—and thus requires prompt treatment. So, how is variant asthma treated?

How Is Variant Asthma Treated?

Variant asthma can be managed by reducing tobacco smoking and avoiding exposure to harmful gases. Also known as cough-variant asthma (CVA), this condition is characterized by chronic cough without prominent wheezing. If coughing is severe, antitussive medications may be prescribed. Cough-variant asthma is non-contagious and classified as a subtype of asthma, often exhibiting a genetic predisposition. It is a distinct form of asthma in which chronic cough serves as the primary—or sole—clinical manifestation. Patients experiencing prolonged cough should consult a physician for pulmonary function testing and bronchial provocation testing.

Individuals with asthma must actively prevent common colds and avoid exposure to allergenic or irritating airborne substances. In cases of severe symptoms, patients should seek care at the Department of Respiratory Medicine in a reputable hospital. Preventing colds is especially critical, as upper respiratory infections frequently trigger acute asthma exacerbations requiring hospitalization. Regular physical exercise is encouraged to enhance overall immunity. Additionally, patients should avoid environments containing harmful gases or otherwise unhealthy indoor air—such as internet cafés and bars.

In daily life, patients should maintain regular, balanced dietary habits—avoiding spicy, irritating foods and refraining from overeating or staying up late. We hope this information proves helpful.