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Doctor insights on: Coughing Up Green And Brown Mucus

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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 had a sinus infection about a month ago, since then at night I wake up with very restricted breathing and coughing up green/ brown mucus. what's up?

I had a sinus infection about a month ago, since then at night I wake up with very restricted breathing and coughing up green/ brown mucus. what's up?

See your Doctor: This requires a physical exam plus additional tests to see what the cause of this is. They will ask if you have been smoking, and will find out the cause of your restricted breathing. This appears to be treatable, so I advise you see your primary care physician. ...Read more

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Quit smoking a month+ ago and coughing up green mucus with brown/grey specks a month. Started to turn clear but then one bloody hunk. From quitting?

Quit smoking a month+ ago and coughing up green mucus with brown/grey specks a month. Started to turn clear but then one bloody hunk. From quitting?

See your doctor!!: Blood in sputum should always be evaluated. Depending on your age, there is always concern that blood may represent something serious. It is most frequently just inflammation from smoking, but more serious conditions, particularly cancer (in older individuals with longer smoking histories) must be ruled out. Cough and sputum production may be present for 1-2 months after stopping. Congrats!! ...Read more

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I am a 37yr old female smoker. I cough chronically more so at night while laying down. Sometimes i cough up mucus that is either clear, green brown.

I am a 37yr old female smoker.  I cough chronically more so at night while laying down. Sometimes i cough up mucus that is either clear, green brown.

Cough: If you have a cough with sputum production then you have bronchitis-possibly chronic obstructive bronchitis (COPD) given smoking history. Cough however is often multifactorial and can be worse at night due to gerd/reflux or post nasal drip or aspiration or even irritant exposure (such as from sleeping on down pillows/sleeping with pets/etc) to name a few. ...Read more

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Can. Allergies cause cough and runny nose producing different color mucus like green brown yellow?

Can. Allergies cause cough and runny nose producing different color mucus like green brown yellow?

Acute Sinusitis: Allergic rhinitis can cause increased nasal congestion, cough, runny nose that can lead to discolored sputum, facial pain/pressure, nasal blockage, fevers, and loss of taste/smell which are symptoms concerning for an acute sinus infection. Daily steroid nasal sprays and other allergy medications can help reduce or prevent these infections. See an Allergist for further workup and evaluation. ...Read more

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How come i cough out brown mucus in the morning?

How come i cough out brown mucus in the morning?

Smoke or broken bv: Several items can contribute to the brownness of your mucus in the am. If you are coughing, small broken blood vessels can leak a few red blood cells contributing to the discoloration but more often it can be related to smoking and or tobacco byproducts. If you are concerned a sample should be brought into your md for a culture and sensitivity test. ...Read more

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I have a barky cough and getting bits of green mucus. Could this be an infection?

I have a barky cough and getting bits of green mucus. Could this be an infection?

Possibly: The green mucous can indicate an infection but not always. See a doctor for proper diagnosis and treatment. ...Read more

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What does it mean when you cough up brown mucus?

What does it mean when you cough up brown mucus?

Infection: Infection is most likely but both bacterial and viral infections can cause brown mucus. If this has been persistent, see your doctor. ...Read more

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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

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Is it okay to cough up brown mucus after waking up?

Is it okay to cough up brown mucus after waking up?

No: May be blood in your mucous. Make appointment to see your Physician, and take in a sample of your brown fluids. ...Read more

Dr. Sue Ferranti
3,457 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