Coughing up white mucus can mean you have congestion with a respiratory infection such as bronchitis, or it can be a symptom ...

Phlegm—also called sputum—is a slimy, slippery substance that can be found in your throat and lungs. It is a little bit thicker than the mucus that is in your nose and sinuses. Usually phlegm ...

Symptoms of this condition include a nagging cough, and you might cough up mucus that’s yellow or green. There are two types of bronchitis: Acute bronchitis. It is the more common type.