What is long-term cough? What are the causes of long-term cough
4hw.org: there are many people who cough frequently around us. People who cough for a long time also have problems such as pharyngitis, itching and cough. They also have cold symptoms all the time. If the cold is cured, the cough will be slightly relieved. What is the matter with people who cough frequently?
Cough is a protective reflex action of human body. The pathological secretions in the respiratory tract and the foreign bodies entering the respiratory tract from the outside can be discharged from the body by the action of cough reflex, which plays a role of recovery.
However, the long-term irritant cough will affect the work and rest of patients, and lose its original protective significance.
In addition to the causes of common cold, the causes of cough include inflammation of nose, pharynx, larynx, bronchus, pneumonia, pneumoconiosis, tuberculosis, heart disease, pleura, mediastinum and other diseases.
Other diseases, such as renal failure, can also cause coughing.
Some of these coughs can disappear rapidly after treatment, while others can be delayed and difficult to treat, and develop into long-term coughs.
Clinically, long-term cough can be attributed to the following main reasons:
1. Cough for a long time or with suffocation and wheezing. It is often seen in allergic cough when encountering irritant gas;
2. Long term dry cough accompanied with fever in the afternoon and two cheeky flushes is more common in tuberculosis;
3. The condition of long-term cough with spitting is more than 2 years in a row, and more than 3 months in a row every year, which is more common in chronic bronchitis;
4. Long term cough with hemoptysis, coughing and body position, mostly seen in bronchiectasis;
5. Long term cough with chest pain is intolerable and progressive, with high tone such as metallic sound, which is more common in lung cancer.