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 ... If you are coughing up thick green or yellow phlegm, or if you are wheezing, ... Asthma may be responsible for up to 25% of all chronic coughs.

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

Do you have a nagging cough that is persistent and may leave you feeling short of breath? Are you coughing up clear, yellow phlegm or green-colored mucus?

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

Jul 13, 2017 ... Yellow mucus suggests that immune cells are starting to work at the site ... Dehydration can worsen thick phlegm, making it harder to cough up.

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

Small amounts of white mucus may be coughed up if the bronchitis is viral. ... a cough may be examined because its color - clear or white versus yellow or green  ...

https://www.self.com/story/yellow-mucus-meaning

Mar 15, 2019 ... As it turns out, yellow mucus is pretty fascinating. ... down your throat, but if invaders get to your lungs, you might cough to clear them out.) .... A viral sinus infection typically begins to clear up after 5 to 7 days, while a bacterial ...

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

a cough – which may be dry, or produce thick yellow, green, brown or ... how long you've had your cough, and whether you're coughing up mucus and what ...

https://www.merckmanuals.com/home/lung-and-airway-disorders/acute-bronchitis/acute-bronchitis

Symptoms of the common cold that are followed by a cough usually indicate ... However, bronchitis that lasts up to 90 days is still usually classified as acute ...

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 ...

https://wexnermedical.osu.edu/blog/what-does-the-color-of-your-phlegm-mean

Dec 22, 2017 ... Learn what the color of your phlegm is telling you. ... Yellow/Green Phlegm ... If you're coughing up red, pink or bloody phlegm, you should be ...