What symptom is bronchitis?

summary

Bronchitis refers to chronic nonspecific inflammation of trachea, bronchial mucosa and surrounding tissues. The main cause of bronchitis is chronic nonspecific inflammation of bronchus caused by repeated infection of virus and bacteria. When the temperature drops, the small vasospasm and ischemia of respiratory tract, and the defense function decreases, it is beneficial to cause the disease; Chronic irritation such as smog, dust and air pollution can also cause the disease; Smoking can cause bronchospasm, mucosal variation, decreased ciliary movement and increased mucus secretion, which is beneficial to infection; Allergic factors also have a certain relationship. What symptom is bronchitis? Let's talk about it

What symptom is bronchitis?

In the early stage of acute bronchitis, the symptoms of upper respiratory tract infection are often manifested. Patients usually have clinical manifestations such as nasal congestion, runny nose, sore throat and hoarseness. The general symptoms are mild, but there may be low fever, chills, fatigue, conscious throat itching, irritating cough and retrosternal pain. In the early stage, the amount of sputum was not much, but the sputum was not easy to cough up. 2-3 days later, the sputum could change from mucinous to mucopurulent.

Cold, inhaling cold air or irritant gas can aggravate or induce cough. The cough is often obvious in the morning or at night. Cough can also be paroxysmal, sometimes persistent cough. Severe cough is often accompanied by nausea, vomiting and chest, abdominal muscle pain. If accompanied by bronchospasm, there may be wheezing and shortness of breath. Generally speaking, the course of acute bronchitis has a certain self limitation. The general symptoms can subside in 4-5 days, but sometimes cough can be prolonged for several weeks.

Sometimes dry rales can be found on physical examination and disappear after coughing; Moist rales can occasionally be heard at the bottom of the lung, and wheezing can be heard when accompanied by bronchospasm. Usually, the white blood cell count is normal, and there is no abnormality in chest X-ray examination.

matters needing attention

The indoor air is fresh and has a certain humidity, so it can control and eliminate all kinds of harmful gases and smoke. Improve environmental hygiene, do a good job in dust prevention and air pollution prevention, strengthen personal protection, and avoid the influence of smoke, dust and irritating gas on respiratory tract.