You should see a doctor promptly if your cough is accompanied by fevers, chills, night sweats, coughing up blood, shortness ...

This cold and flu season, you may be looking for clues you're getting better anywhere you can find them, even in the color of your snot.

As an upper respiratory infection progresses, your phlegm may become more yellow or green. If your cough with a metallic taste is caused by a common cold, there are few treatment options.

‘Cough associated with other symptoms – such as breathlessness, wheezing, yellow or green phlegm, or blood, chest pain or weight loss – is a serious worry. ‘Unexplained cough of any sort ...