https://www.healthline.com/health/green-phlegm

Mar 15, 2017 ... When you cough up green phlegm, you may be fighting an infection. You always have phlegm, but it's usually only noticeable when you have a ...

https://www.webmd.com/lung/cold-becomes-bronchitis

Oct 24, 2018 ... But if a cough persists after the cold is gone, contact your doctor. ... If you are coughing up thick green or yellow phlegm, or if you are wheezing, ...

https://www.unitypoint.org/livewell/article.aspx?id=2008978c-99f7-4051-a1bc-61d5e04b9e4e

If you have a nagging cough that just doesn't seem to go away, you could have bronchitis. ... Are you coughing up clear, yellow phlegm or green-colored mucus?

https://www.cedars-sinai.edu/Patients/Health-Conditions/Bronchitis.aspx

If the color of the mucus changes to green or yellow, it may be a sign that a bacterial infection has also set in. The cough is usually the last symptom to clear up ...

https://www.medicalnewstoday.com/articles/318359.php

Jul 13, 2017 ... If green phlegm is accompanied by breathing difficulties, chest pain, ... Dehydration can worsen thick phlegm, making it harder to cough up.

https://www.nhsinform.scot/illnesses-and-conditions/lungs-and-airways/pneumonia

If you have pneumonia, these tiny sacs become inflamed and fill up with fluid. ... a cough – which may be dry, or produce thick yellow, green, brown or ...

https://www.mucinex.com/blogs/cold-flu-symptoms/when-should-i-be-worried-about-coughing-up-green-mucus

Coughing is bad enough, but when green mucus comes up in the process, it can be alarming. If you cough up mucus occasionally without any other red flags, ...

https://www.aarp.org/health/conditions-treatments/info-2017/bronchitis-and-pneumonia-symptoms.html

Mar 16, 2017 ... Coughing with clear, yellow or green sputum (the gunk you cough up) ... of the body cleaning up the mess," says pulmonologist Len Horovitz, ...

https://www.nhs.uk/conditions/chest-infection/

Some chest infections are mild and clear up on their own, but others can be severe ... chesty cough – you may cough up green or yellow mucus; wheezing and ...

https://www.mayoclinic.org/symptom-checker/cough-adult/related-factors/itt-20009075

Find possible causes of cough based on specific factors. ... Difficulty breathing; Difficult or painful swallowing; Thick green or yellow phlegm or sputum; Bloody ...