"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Having a congested chest can be uncomfortable to say the least. And when you’re feeling under the weather ...

Mucus, a fluid in your upper respiratory system, is usually clear. But a number of health conditions can cause it to turn brown. Also known as brown phlegm or sputum, brown mucus can be due to a range ...

Congestion from cold and flu is the buildup of mucus in your nose, sinuses, or chest that causes a feeling of fullness or blockage. When you're dealing with congestion from a cold or the flu, you want ...