What could be the reason for having blood in phlegm without coughing?

Apr 22, 2023 Source: Cainiu Health

Dr. Guo Xiheng

Introduction

Trauma causing impact or contusion to the lungs may result in lung tissue damage and bleeding. When viral or bacterial infections occur, the respiratory mucosa becomes irritated, leading to blood vessel rupture and consequently hemoptysis. In addition, inflammation of the pulmonary blood vessels may cause blood-tinged sputum without coughing. Other possible symptoms include shortness of breath, chest pain, and fever.

Having blood-tinged sputum without coughing may be caused by trauma, colds, pulmonary vasculitis, and other conditions. A detailed analysis is as follows:

1. Trauma

Physical trauma that causes impact or contusion to the lungs may result in lung tissue damage and bleeding, leading to blood in the sputum. In such cases, the sputum is typically bright red or dark red.

2. Colds

When viral or bacterial infections occur, the respiratory mucosa becomes irritated, which may cause blood vessels to rupture and lead to hemoptysis (coughing up blood).

3. Pulmonary Vasculitis

Pulmonary vasculitis refers to inflammation of the walls of blood vessels in the lungs, resulting in vascular damage and bleeding. When bleeding occurs in the lung vessels, blood may appear in the sputum. Other symptoms may include shortness of breath, chest pain, and fever.

In addition, blood in the sputum could also be caused by lung cancer. If blood-tinged sputum persists over a long period, it is important to seek medical evaluation at a hospital as soon as possible to determine the underlying cause and receive appropriate treatment.

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What causes chest tightness and shortness of breath without coughing?

Shortness of breath and chest tightness without coughing are very common symptoms, and there are many possible causes, including both physiological and pathological reasons. In patients with a history of hypertension or coronary heart disease, especially elderly individuals, chest tightness and shortness of breath may indicate possible heart failure or myocardial infarction. These symptoms could also result from dehydration or other medical conditions, so immediate medical evaluation at a hospital is recommended.

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What causes yellow phlegm with blood streaks upon waking in the morning, while there is normally no cough or phlegm? What should be done?

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