What is the cause of yellow phlegm?


Coughing yellow phlegm sore throat is caused by infections, allergies or asthma. Sinus infections lead to inflammation of respiratory region and accumulation of leukocytes in mucus. When drainage passages are blocked by swollen sinuses the mucus becomes thick and yellow.

Source:
Coughing up yellow phlegm Actforlibraries.org

Photo Credit
link

More info about this topic

What is the cause of yellow phlegm, cough, and constant sore throat?

Yellow phlegm is a result of an infection. You need to go back to your doctor and let them know that taking out your tonsils did not resolve anything so they can try something else….more

what sickness has characteristics of sore throat, fever, bloody phlegm and coughing?

Those symptoms may indicate…more

how to soothe a sore throat or cough?

1. The first step is to make sure you have bare feet. Take off any shoes, sandals, socks, etc. 2. Next, take the vapor rub and spread it over the bottoms of your feet. As strange …more

how to relieve dry cough and sore throat?

1. Boil water and pour into a large mixing bowl. Place your face above the steam and cover your head with a towel. Take several deep breathes. Remove the towel after 10 seconds. Repeat…more