Symptoms of chronic cough

summary

The definition of chronic cough is that cough lasting more than 3 weeks without obvious evidence of lung disease is called chronic cough. Cough is often the only symptom of patients. Cough is one of the common clinical symptoms of respiratory system.

Symptoms of chronic cough

Cough may be the only 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. Most of the patients had been treated with antitussive and expectorant drugs and antibiotics for a period of time, but had no curative effect β 2 receptor agonists and theophylline can alleviate the pain. 　　

（3） 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. (4) signs: although it can also have bronchospasm, it mostly occurs in the peripheral small bronchi or transient spasm, so wheezing is not heard or rarely heard during physical examination.

matters needing attention

Prevention: 1. Actively improve the living environment, avoid allergens, and often open windows for ventilation; Pay attention to cold and summer. 2. Don't eat spicy food, avoid alcohol and tobacco, and eat more fruits and vegetables. 3. Keep in a good mood and don't worry. 4. Actively exercise to enhance their own resistance. 5. Actively treat the primary disease to avoid aggravating the disease.