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.

But there’s probably a good reason you have that cough — and it can tell you a lot about what’s going on in your body.

Unlike normal cough, tuberculosis is usually accompanied by typical symptoms such as fever, shivering, night sweats, loss of ...

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.