Clinical symptoms of bronchial asthma

Written by Han Shun Li
Pulmonology
Updated on February 25, 2025
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The incidence of bronchial asthma is increasing year by year and is attracting more and more attention. What are the clinical symptoms of bronchial asthma? The typical symptoms of bronchial asthma are episodic dyspnea, wheezing, chest tightness, coughing, etc., and a typical asthma attack often comes with wheezing sounds. Some patients have atypical symptoms, which may primarily present as just one symptom, such as cough or chest tightness alone, known as atypical asthma. However, whether it is typical or atypical asthma, the principles of treatment are the same. It is essential to cooperate with the doctor to control the disease, improve symptoms, and enhance the quality of life.

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Written by Yuan Qing
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The cause of airflow limitation in bronchial asthma.

Bronchial asthma airflow limitation is a respiratory physiological feature of our bronchial asthma, and its limitation is mainly related to the pathophysiological mechanism of asthma. Asthma is a chronic airway inflammation involving multiple cells caused by various reasons. When inflammation occurs, the mucosa will become edematous, and the smooth muscle outside the airway will also spasm and contract. Therefore, the airflow cannot smoothly enter and exit the bronchi, leading to the manifestation of airflow limitation in the bronchi. Thus, in the treatment of asthma, we need to use some bronchodilator drugs, as well as some anti-inflammatory drugs, so as to comprehensively control the patient's symptoms.

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Written by Wang Xiang Yu
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Can bronchial asthma be cured?

Bronchial asthma, to this day, cannot be completely cured. Many places claim under the guise of traditional Chinese medicine or ancient secret recipes that bronchial asthma can be fully cured, but these are false advertisements. So far, bronchial asthma is a manageable disease. Being manageable means that it can be treated; standardized treatment can make its recurrence quite rare, but it still cannot be completely cured. This means that once someone has bronchial asthma, they must understand that it is a lifelong disease, potentially recurring throughout life, and they need to manage it long-term.

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Written by Hao Ze Rui
Pulmonology
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Is bronchial asthma dangerous?

Whether bronchial asthma is dangerous depends on the severity of the condition during an acute asthma attack. The most common symptoms of asthma are episodic breathing difficulties, chest tightness, or coughing. If the patient experiences only mild breathing difficulties during an acute attack, it may resolve on its own without posing a life-threatening risk. However, if it is a severe asthma attack, such as the patient being unable to speak, experiencing drowsiness, consciousness disorders, even showing paradoxical movement, weakened wheezing sounds, or even an absence of breathing sounds, then there may be a life-threatening risk if immediate and aggressive rescue measures are not taken.

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Written by Zeng Xiang Bo
Respiratory and Critical Care Medicine
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How to check for bronchial asthma?

If there is a suspicion of having bronchial asthma, a series of tests will be carried out at the hospital, mainly including: First, complete blood count, especially focusing on whether there is an increase in eosinophils, to determine the presence of eosinophilic allergic inflammation. Second, imaging of the lungs, including chest X-ray or CT to determine whether there are any specific lesions in the lungs. Third, pulmonary ventilation function and bronchodilation tests, or bronchial provocation tests. Pulmonary function is a gold standard for diagnosing bronchial asthma, often indicating the presence of obstructive ventilation dysfunction. A positive bronchodilation test or provocation test can help in confirming bronchial asthma.

doctor image
home-news-image
Written by Han Shun Li
Pulmonology
44sec home-news-image

Clinical symptoms of bronchial asthma

The incidence of bronchial asthma is increasing year by year and is attracting more and more attention. What are the clinical symptoms of bronchial asthma? The typical symptoms of bronchial asthma are episodic dyspnea, wheezing, chest tightness, coughing, etc., and a typical asthma attack often comes with wheezing sounds. Some patients have atypical symptoms, which may primarily present as just one symptom, such as cough or chest tightness alone, known as atypical asthma. However, whether it is typical or atypical asthma, the principles of treatment are the same. It is essential to cooperate with the doctor to control the disease, improve symptoms, and enhance the quality of life.