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 ...

Medically reviewed by Jonathan Purtell, RDN Key Takeaways Congestion is a common symptom of colds and seasonal allergies. Warm broth and tea with honey can be soothing, while compounds in honey, ...

"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 ...

Medically reviewed by Susan Russell, MD Key Takeaways Coughing up white mucus can be a sign of an upper respiratory infection or chronic conditions like COPD. Viral infections that cause white mucus ...

Healthy phlegm is usually clear and runny, but many different health conditions can change the consistency or color. Phlegm, also called sputum, is mucus produced by your lungs that helps protect your ...

Mucus is a perfectly normal fluid that helps to keep our bodies running smoothly, but not all forms of the slimy substance are created equal. People with chronic respiratory diseases tend to produce ...

WEDNESDAY, Oct. 29, 2025 (HealthDay News) — An anti-inflammation injectable drug can reduce mucus buildup and improve breathing among asthma patients, a new clinical trial says. The drug dupilumab ...

A study analyzes the physical properties of airway mucus that can contribute to the failure of coughing to clear mucus in respiratory disease, and suggests that mucus hyperconcentration associated ...

BUFFALO, N.Y. — A University at Buffalo-led research team has developed molecules that could help unclog thick, sticky mucus from the lungs of people suffering from cystic fibrosis. The chronic ...

NEW YORK (Reuters Health) - Confirming widespread beliefs by doctors and parents alike, the color of phlegm coughed up by people is indeed a good indicator of whether that person has a bacterial ...