What reason is occasionally dry cough

summary

Dry cough is one of the common symptoms of clinical pulmonary diseases. The etiology is complex, the condition is stubborn, and the treatment is quite difficult. Recent studies have shown that almost all chronic persistent cough may be caused by variant asthma. Occasionally dry cough is what reason to tell you.

What reason is occasionally dry cough

First: allergic history: the patient may have a clear history of allergic diseases, such as allergic rhinitis, eczema, etc. Some patients have a family history of allergy.

Second: clinical manifestations: cough may be a symptom of asthma, mainly long-term stubborn dry cough, often induced by inhalation of pungent odor, cold air, contact with allergens, exercise or upper respiratory tract infection, some patients do not have any incentives. More in the night or early morning. Some patients have a certain seasonal attack, in spring and autumn for more.

Third: Signs: although it can also have bronchospasm, but mostly occurs in the terminal bronchi or transient spasm, so physical examination can not hear or rarely hear wheezing.

matters needing attention

Cough variant asthma due to early symptoms easy to ignore, many patients delay the early treatment, later brought great harm. Due to coughing and cough variant asthma, gas retention in alveoli, excessive alveolar gas and increased intrapulmonary pressure. Chronic emphysema of chronic asthma can lead to rupture of the lung * bulla, forming spontaneous pneumothorax, causing pneumothorax and even mediastinal emphysema. So early standardized treatment is the key.