A higher-than-normal amount of phlegm can build up in your nose, throat, and lungs when you are sick. This build-up may cause coughing and discomfort. Bloody, brown, white, yellow, or green phlegm ...

Jassey, DOCoughing up thick, green mucus may mean a bacterial or, less often, viral infection, but that's not always true.

As many Brits are falling ill with seasonal illnesses a doctor revealed how to tell what is causing your cough ...

This cough can produce green, yellow, or bloody mucus ... This cough can become more productive, meaning it brings up mucus, as the infection progresses. How do you test for walking pneumonia?

The health expert has also issued advice on when you should see your GP if you have a cough that won't go away ...

Early treatment can help whooping cough, which is on the rise across the U.S. Here are key signs and symptoms to look out for.

It can be tricky to judge if a cough needs to be checked out by a medical professional and thankfully a doctor has weighed in ...

If you have this certain type of cough, you should see a doctor urgently as one type of illness is on the rise. Cases of tuberculosis have increased in England, according to data from earlier this ...

Smoking destroys these hairs, which means that ... system starts up again. But it has an awful lot to do, which is why many ex-smokers initially find themselves coughing up more phlegm than ...

He further noted: "Any cough with associated worrying or severe symptoms such as coughing up blood ... cold or flu it could be accompanied by yellow phlegm, as well as: Headaches Muscle aches ...