Brown Phlegm with Hard Clumps: Possible Causes and Concerns - Otolaryngology

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Brownish hard lumps in sputum?


Hello, doctor.
I often have brownish hard lumps in my sputum, and occasionally there are small streaks of blood, but I do not cough.
I typically expectorate every 1-2 days, and it feels like something is stuck or prickly in my throat, prompting me to forcefully clear it.
The sputum is generally brown, with a particularly dark hard lump that has an unusual odor.
The blood streaks occur occasionally, but since my gums tend to bleed frequently (due to brushing or braces), I'm not sure if it's related to a throat issue.
I also have allergic rhinitis, but after seeing a doctor and taking medication, it has improved quite a bit, although I still experience occasional runny nose and sneezing.
This condition has been intermittent for about a year, but there was a period when I didn't experience it.
I've also noticed that the day after consuming sweets, I tend to have larger amounts of sputum.
I would like to ask the doctor what might be causing this situation.
Thank you!

Miss Lin, 20~29 year old female. Ask Date: 2023/02/10

Dr. Zheng Jueyi reply Otolaryngology


Hello, the presence of blood-streaked or clotted mucus may be associated with various issues in the upper or lower respiratory tract.
If it persists without improvement, it is advisable to seek evaluation from an otolaryngologist, pulmonologist, and gastroenterologist.

Reply Date: 2023/02/10

More Info


The presence of brown phlegm with hard clumps, occasionally accompanied by blood streaks, can be concerning and warrants further evaluation. The symptoms you describe, including the sensation of something stuck in your throat and the production of phlegm every couple of days, suggest a few potential underlying causes.

Firstly, the brown color of the phlegm may indicate the presence of old blood or other substances that have been in the respiratory tract for some time. This could be due to various factors, including chronic irritation or inflammation of the airways. Conditions such as chronic bronchitis, which is often associated with smoking or long-term exposure to irritants, can lead to the production of colored phlegm. In your case, the fact that you have a history of allergic rhinitis may contribute to ongoing inflammation in your upper respiratory tract, which can lead to increased mucus production.

The hard clumps you mention could be mucus that has thickened over time, possibly due to dehydration or the presence of irritants. The fact that you notice larger clumps after consuming sweet foods may suggest that dietary factors are influencing your mucus production. High sugar intake can lead to increased mucus production in some individuals, particularly those with underlying respiratory conditions.

The occasional presence of blood streaks in your phlegm is particularly concerning. While you mentioned that you have gum bleeding, which could be a source of the blood, it is essential to rule out other potential causes. Blood in phlegm can arise from various sources, including the nasal passages, throat, or even the lungs. Conditions such as bronchitis, pneumonia, or even more serious issues like lung cancer can present with hemoptysis (coughing up blood). Given that you have not experienced a cough, it is crucial to consider other sources of bleeding, such as nasal or throat irritation.

Your symptoms have persisted intermittently for about a year, which suggests a chronic process rather than an acute infection. Chronic conditions such as post-nasal drip, where mucus accumulates in the throat due to sinus issues, could also be a contributing factor. The sensation of something stuck in your throat and the need to clear it may be indicative of this condition.

Given the complexity of your symptoms, it is advisable to seek a thorough evaluation from a healthcare professional. A detailed history, physical examination, and possibly imaging studies (like a chest X-ray or CT scan) may be warranted to assess the state of your lungs and airways. Additionally, a referral to an ear, nose, and throat (ENT) specialist may be beneficial to evaluate any potential issues in the nasal passages or throat that could be contributing to your symptoms.

In summary, the presence of brown phlegm with hard clumps and occasional blood streaks can be indicative of several underlying conditions, ranging from chronic bronchitis to post-nasal drip or other respiratory issues. It is essential to consult with a healthcare provider for a comprehensive evaluation to determine the exact cause and appropriate treatment. Early intervention can help prevent potential complications and improve your overall respiratory health.

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