"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." It’s never any fun feeling under the weather, but when a common cold is paired with excess phlegm, it ...

Even if it is kind of gross when you're full of it and wrestling with it, phlegm actually serves a useful purpose: The thick, sludgy substance—made up of mostly water, salt, and antibodies—is designed ...

Dealing with mucus in the chest can be uncomfortable and frustrating, whether it's caused by a cold, allergies, or an underlying respiratory condition like bronchitis. Excess mucus can lead to ...

We've all been there: that nagging, heavy feeling in your chest that makes every breath feel like a chore. Dealing with mucus in your chest can be irritating. It is never fun to feel congested and ...

Clear, bubbly phlegm does not typically indicate a problem. However, coughing up large amounts could indicate an underlying health issue, such as fluid in the lungs. Phlegm, or sputum, is a type of ...

Mucus is a thin, slippery fluid that lines the nose, throat, and other passages to trap dust and germs. Phlegm is a thicker type of mucus produced in the lungs to catch and remove harmful particles ...