A cough that produces mucus, or phlegm, is known as a wet — or productive — cough. Producing mucus while coughing is typically a response to allergens and irritants, airway infections, or an ...

Mucus consists mainly of water and a gel-forming molecule called mucin. The body uses mucus to protect tissues, remove particles, and prevent infections. Mucus is essential for the functioning of many ...

Mucus is a normal part of the lungs. But smoking and other issues can cause too much mucus to collect there. (Photo Credit: iStock/Getty Images) Your body makes about a liter (approximately 1 quart) ...

When you're sick you'll often produce more phlegm, and might notice it's thicker or a different color: white, green, yellow or maybe even brown. We all produce mucus, even when healthy. Mucus is a ...

Infections and allergies can cause thick, glue-like nasal mucus. Environmental factors, like a dry climate, can also contribute to this. Nasal mucus is created by the tissue lining of your nose and ...

Managing mucus from COPD involves strategies that can help loosen mucus and clear it from your airway, such as staying hydrated, exercising, and quitting smoking. Specific breathing techniques, ...