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What illness does coughing up blood indicate?

Apr 17, 2023 Source: Cainiu Health
Dr. Guo Xiheng
Introduction
Hemoptysis generally refers to coughing up blood. Hemoptysis may be a symptom of various conditions such as medication side effects, bronchitis, acute pharyngitis, tuberculosis, pulmonary embolism, and other diseases. In daily life, avoid consuming spicy and irritating foods. If any discomfort occurs, seek timely medical evaluation at a hospital for appropriate examinations and actively treat the underlying cause to prevent worsening of the condition.

Hemoptysis generally refers to coughing up blood. Hemoptysis may be a symptom of various conditions, including medication use, bronchitis, acute pharyngitis, tuberculosis, pulmonary embolism, and others.

1. Medications

If anticoagulant medications such as warfarin sodium tablets, clopidogrel sulfate tablets, or rivaroxaban tablets are taken in excessive or inappropriate doses, they may increase the risk of bleeding, leading to blood-tinged sputum or hemoptysis during coughing.

2. Bronchitis

Chronic bronchitis commonly causes recurrent coughing. Patients with mild symptoms often experience more severe coughing during winter and spring, while symptoms may improve or disappear in autumn and summer. In severe cases, coughing persists throughout the year. If an infection or exposure to cold wind occurs, coughing may worsen significantly. Rupture of mucosal membranes in the throat due to intense coughing can lead to hemoptysis.

3. Acute Pharyngitis

Acute pharyngitis may cause coughing, and persistent, forceful coughing can result in ruptured blood vessels or damaged mucosa, leading to hemoptysis.

4. Pulmonary Tuberculosis

Pulmonary tuberculosis is a chronic infectious respiratory disease caused by Mycobacterium tuberculosis infection in the lungs. It typically causes persistent cough lasting more than two weeks. As the disease progresses, tuberculous necrotic lesions may involve the pulmonary capillary walls, resulting in blood-tinged sputum. If larger blood vessels are affected, varying degrees of hemoptysis may occur.

5. Pulmonary Embolism

Pulmonary artery embolism increases resistance in the pulmonary circulation, causing a sudden rise in pulmonary vascular pressure. This may lead to rupture of the bronchial mucosa and alveolar walls. Once blood enters the alveoli and bronchi, it is expelled through coughing, resulting in hemoptysis.

In daily life, avoid consuming spicy and irritating foods. If any discomfort or symptoms occur, seek timely medical evaluation at a hospital, undergo appropriate diagnostic tests, and receive active treatment targeting the underlying cause to prevent worsening of the condition.


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