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Doctor insights on: Coughing Up Black Stuff In Mucus

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Why do I cough up dark green almost black mucus?

Why do I cough up dark green almost black mucus?

Cough: It depends where the mucous is coming from. It can be from the lungs or sinuses. See your doctor to be evaluated. ...Read more

Mucus (Definition)

Like material that functions to moisten and protect inner body surfaces. The viscous slippery substance that consists chiefly of mucin, water, cells, and inorganic salts and that is secreted as a protective lubricant coating by the cells and glands of the mucous membranes. The free slime of the mucous membranes, composed of secretion of the glands, various salts, ...Read more


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I cough up clear mucus with light brown stuff in it. What is it? And why?

I cough up clear mucus with light brown stuff in it. What is it? And why?

Need answers: Well, how much do you cough-up? When (more in the morning?)? What kind of cigarettes do you smoke? For how long have you smoked? Coughed? Is that light brown stuff ever red? Is the brown stuff in little spots or all smeared-up? Are you getting the impression I'm worried about your smoking? Besides that, it may just be irritation from air pollution, allergies, a mild cold or, oh yes, smoking. ...Read more

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I cough up black spects in my mucus which is clear every time I lil on my back I cough upmucus with black spects in it?

I cough up black spects in my mucus which is clear every time I lil on my back I cough upmucus with black spects in it?

Mgt: I would recommend saving a sample and showing your PCP. If you smoke, please try to quit. Other possible causes include small amounts of bleeding. The source can vary and may include gastric and upper airway sources. ...Read more

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I used to cough out black mucus which has turned out to a white colour. Not much mucus , but only white. Mostly in the morning. Bad?

I used to cough out black mucus which has turned out to a white colour. Not much mucus , but only white. Mostly in the morning. Bad?

Sputum color....: Usually, white or clear sputum is considered normal. Black mucous is not usually normal and could be related to an environmental exposure. You need to quit smoking asap to avoid long-term complications like lung cancer, copd, etc. If the black sputum recurs, see your doctor for evaluation and treatment. ...Read more

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Every morning i wake up and cough up grey mucus wit black splotches is this bad, it has been going on for atleast two years. ?

Every morning i wake up and cough up grey mucus wit black splotches is this bad, it has been going on for atleast two years.
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Not good: Need far more information and a detailed exam and possibly some imaging studies and exams of sputum. Do you smoke? Work around toxic materials you could inhale? Are you immunosuppressed? See a pulmonary doctor and get diagnosed and treated if necessary. ...Read more

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Is it bad to swallow the mucus you cough up? Even if it's blackish colored?

Typically OK: It is OK to do this in general as you swallow mucus from sinuses all the time with post nasal drip, but if you have black mucus, you should get that looked at and see a doctor. ...Read more

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I have bad allergies and I don't really take anything. could this be why I cough up clear mucus with brown stuff in it? sometimes its all brown.

Mucus drainage: Allergy to inhalant allergens, weather changes like change in humidity, and viral infections can cause drainage of mucus. Antihistamine such as Claritin (loratadine) could help to reduce symptoms of allergy. Decongestants such as Sudafed can reduce congestion from any cause. Use of humidifiers can be helpful. ...Read more

Dr. Sue Ferranti
3,448 doctors shared insights

Cough (Definition)

Coughing is an important way to keep your throat and airways clear. However, excessive coughing may mean you have an underlying disease or disorder. Some coughs are dry, while others are considered productive. A productive cough is one ...Read more