Is bronchial asthma contagious?

Written by Wang Xiang Yu

Pulmonology

Updated on September 11, 2024

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Is bronchial asthma contagious? Bronchial asthma is not contagious; it is not an infectious disease. The exact causes of bronchial asthma are not very clear, primarily thought to be related to genetic and environmental factors. Bronchial asthma has a close relationship with genetics, meaning that if parents have asthma, their children and grandchildren might also develop bronchial asthma. The closer the familial relationship, the higher the chances of developing bronchial asthma compared to the general population. This genetic pattern can create the illusion to the general public that bronchial asthma is contagious, but it may be more closely related to genetics.

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Written by Zeng Xiang Bo

Respiratory and Critical Care Medicine

34sec

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Is bronchial asthma serious?

The symptoms of bronchial asthma vary from person to person, as does its severity. Some patients may have very mild symptoms, only showing slight chest tightness and mild coughing. Other patients may experience very severe symptoms such as respiratory failure, loss of consciousness, cardiac arrest, and sudden death. The clinical presentations are completely different. Therefore, bronchial asthma can be considered a suppressive disease, meaning everyone's symptoms are different, and one cannot generalize; most patients are relatively mild.

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Written by Zeng Xiang Bo

Respiratory and Critical Care Medicine

42sec

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What are the complications of bronchial asthma?

The complications of bronchial asthma are divided into acute and chronic complications. Acute complications, which occur during a severe asthma attack, mainly include pneumothorax, mediastinal emphysema, severe hypoxia, respiratory failure, leading to severe arrhythmias, electrolyte disturbances, and in severe cases, coma and death. Chronic complications are mainly due to chronic changes in bronchial asthma leading to airway remodeling, chronic airway inflammation, and chronic narrowing. The complications at this stage mainly include chronic respiratory failure and pulmonary heart disease.

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Written by Wei Shi Liang

Intensive Care Unit

55sec

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Prevention and Treatment of Bronchial Asthma

The prevention and treatment of bronchial asthma mainly involve the following aspects: First, eliminating the causes and triggers of the disease; second, preventing diseases and pests such as allergic rhinitis and gastroesophageal reflux disease; third, immunomodulation; fourth, routinely checking if inhaled medications are used correctly; fifth, education and management of asthma patients, mainly allowing them through long-term, appropriate, and sufficient treatment to fully and effectively control asthma attacks. Additionally, understanding individual differences in asthma triggers to avoid occurrences, learning patient self-monitoring of disease progression, mastering the use of inhalers and peak flow meters, and educating patients on simple self-help methods are essential. It's important for patients and doctors to jointly develop a plan to prevent asthma attacks and maintain long-term stability. These are the basic elements of the prevention and treatment of bronchial asthma.

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Written by An Yong Peng

Pulmonology

1min 12sec

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The difference between bronchial asthma and pulmonary emphysema.

Bronchial asthma and emphysema are two different diseases. Bronchial asthma typically manifests as episodic coughing, chest tightness, and wheezing. Patients often develop this condition in childhood and adolescence, and it is relatively rare in the elderly. Emphysema, on the other hand, is often related to long-term smoking and is usually seen in middle-aged and older patients. Early stages of emphysema may only be evident on a chest CT and may not show significant symptoms of chest tightness. However, as the disease progresses, patients often experience noticeable chest tightness and difficulty breathing, and the condition tends to progressively worsen. Patients typically eventually develop complications such as chronic respiratory failure and chronic pulmonary heart disease. Therefore, the characteristics of bronchial asthma and emphysema are different. However, it is important to note that in patients with bronchial asthma, if the condition is not controlled and continues to progress, it might also lead to the development of emphysema, chronic respiratory failure, pulmonary heart disease, and other related conditions.

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Written by An Yong Peng

Pulmonology

43sec

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Can bronchial asthma cure itself?

Bronchial asthma generally cannot heal on its own. Bronchial asthma is a chronic, recurrent disease, which is usually incurable. Even with standard treatment, a complete cure is often unachievable. However, during an acute attack of bronchial asthma, spontaneous remission is possible. Some mild acute attacks of bronchial asthma may simply require removing the allergen and hazardous factors, which can lead to spontaneous alleviation of the asthma symptoms. For bronchial asthma, long-term standard treatment is usually required, such as the inhalation of corticosteroids and the use of bronchodilators. Additionally, it is important to avoid allergens and prevent respiratory infections.