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Doctor insights on: Coughing Up Dark Green Phlegm

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Dr. Angelina Postoev
826 doctors shared insights

Phlegm (Definition)

Phlegm is the thick, sticky mucus secreted by the surface of the respiratory tract during a cold or other respiratory infection. The respiratory tract includes the nose and sinuses, throat, voice box, bronchi, and lungs. Phlegm is mucus that may contain bacteria, viruses, respiratory surface cells, and inflammatory cells. Normal mucus is not phlegm, but a protective layer secreted ...Read more


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My husband has a had a wet cough for about a week.. No previous cold or flu. He's now coughing up very dark green phlegm. What could be the cause?

My husband has a had a wet cough for about a week.. No previous cold or flu. He's now coughing up very dark green phlegm. What could be the cause?

Infection: Viral infections are common and usually go away in time. When the symptoms persist and the color of mucus changes form clear/yellow to dark green/brown, etc. It could signify the condition is caused by a bacterial infection and your husband may need to see a dr. For definitive diagnosis and treatment with antibiotics. Best wishes. ...Read more

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Went to doc on Sat diagnosed me with flu, no tests given. I was given Tamiflu but my cough is getting worse and the phlegm is very dark green. ?

Went to doc on Sat diagnosed me with flu, no tests given.  I was given Tamiflu but my cough is getting worse and the phlegm is  very dark green. ?

Phlegm: Phlegm can be different colors throughout the day and is usually darkest (yellowish green) in the morning. Since your cough is getting worse, you may have pneumonia or sinus infection and may need another trip to see your doctor. ...Read more

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IM 25 weeks pregnant and have had a severe cold / cough this week. Bloody nose the past 3 days , mucus is a very dark green. Today my phlegm had blood?

IM 25 weeks pregnant and have had a severe cold / cough this week. Bloody nose the past 3 days , mucus is a very dark green. Today my phlegm had blood?

See a doctor: With these sorts of symptoms, you need answers. I would worry that your platelet count might have dropped as a result of the viral infection - allowing the blood to become thinner, such that you'd have nose bleeding and blood in the sputum. Hopefully you're plugged into an Ob/Gyn practice - I would call them and try to get seen today. If it's after hours and you're not doing well- go to the ER. ...Read more

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Cough with dark phlegm?

Cough: Dark phlegm: This sounds like bronchitis or a cold or pneumonia. Sometimes when we cough a lot of violently we break small blood vessels and blood can get on or into the mucous. As long as you are not freely bleeding this is considered routine and normal. ...Read more

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I had green phlegm for about 3 weeks with a cough and phlegm is no longer green is it necessary to still seek medical attention?

I had green phlegm for about 3 weeks with a cough and phlegm is no longer green is it necessary to still seek medical attention?

Maybe not: If u r feeling better and less sick, no temperature u may have had a viral infection and ur body has won. If u continue 2 improve u may b ok. But any worsening of ur cough or u have a color change again b cn. That would b what i personally would do. 4 peace of mind u should c u r pcp? ...Read more

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I have a cough that produces green phlegm and when i lay on either side i hear like a whistling noise what is it?

I have a cough that produces green phlegm and when i lay on either side i hear like a whistling noise what is it?

Wheezes: Wheezes are high pitched sounds coming from mucus filled airway.The force of air through mucus creates the sound of wheeze, like a wind instrument.. ...Read more

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What does it mean when you cough up a string thick green phlegm?

Infection: You may have a viral infection or a bacterial bronchitis. If the symptoms persist, you need to see your doctor for an antibiotic. ...Read more

Dr. Sue Ferranti
3,357 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