Blood-Streaked Phlegm: When to Seek Medical Attention - Otolaryngology

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Sputum with blood streaks?


Doctor, I have a question.
I felt unwell on New Year's Day this year, and after a few days, I gradually improved.
At first, there was blood in my phlegm, and when I saw a doctor, they said it was a cold.
However, even now, I still occasionally notice some blood streaks in my phlegm, and recently I've been experiencing some pain in my back.
I hardly cough at all! Am I sick?

Shaoxi, 10~19 year old female. Ask Date: 2016/01/15

Dr. Zheng Jueyi reply Otolaryngology


Hello, if there are persistent blood streaks in the sputum, it is recommended to visit the hospital's pulmonology and otolaryngology departments.
Wishing you safety and health.
Sincerely, Dr.
Cheng Jue-Yi, Director of the Department of Otolaryngology, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2016/01/15

More Info


When it comes to blood-streaked phlegm, it is essential to understand the potential underlying causes and when to seek medical attention. Blood in phlegm, also known as hemoptysis, can be alarming and may indicate various health issues, ranging from benign to serious conditions.

In your case, you mentioned that you initially felt unwell around New Year’s and were diagnosed with a cold. It is not uncommon for respiratory infections, such as colds or bronchitis, to cause some irritation in the airways, leading to minor bleeding. This can result in blood-streaked phlegm, especially if there is persistent coughing or throat clearing, even if you do not recall significant coughing episodes.
However, since you have observed blood in your phlegm for an extended period and are experiencing back pain, it is crucial to consider other possibilities. Blood-streaked phlegm can be associated with several conditions, including:
1. Bronchitis: This is an inflammation of the bronchial tubes that can occur after a cold. It may cause irritation and lead to blood in the phlegm.


2. Pneumonia: An infection of the lungs that can cause symptoms such as cough, fever, and difficulty breathing. Blood in the phlegm can occur if the lung tissue is inflamed or infected.

3. Pulmonary Embolism: This is a serious condition where a blood clot travels to the lungs, potentially causing chest pain and difficulty breathing. Blood-streaked phlegm may be present.

4. Tuberculosis (TB): A bacterial infection that primarily affects the lungs and can cause chronic cough, weight loss, and blood in the sputum.

5. Lung Cancer: While less common, persistent blood in phlegm can be a symptom of lung cancer, especially in individuals with risk factors such as smoking.

Given that you have been experiencing this symptom for some time and have accompanying back pain, it is advisable to seek medical attention. A healthcare provider will likely perform a thorough evaluation, which may include a physical examination, imaging studies such as a chest X-ray or CT scan, and possibly sputum tests to determine the cause of your symptoms.

In the meantime, monitor your symptoms closely. If you experience any of the following, seek immediate medical care:
- Increased volume of blood in your phlegm
- Difficulty breathing or shortness of breath
- Chest pain, especially if it worsens with deep breaths
- Fever or chills
- Unexplained weight loss
It is understandable to feel anxious about your health, especially when experiencing concerning symptoms. However, timely medical evaluation and intervention can help address any underlying issues and provide peace of mind. Remember, while some causes of blood-streaked phlegm may be benign, others require prompt treatment. Therefore, do not hesitate to reach out to a healthcare professional for guidance.

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