Black mucus is rare. It can be the sign of a fungal infection, or exposure to pollutants such as coal, dust or cigarette ...

"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 ...

Americans are weathering the worst flu season in years, as a number of other respiratory illnesses circulate too, such as COVID-19, RSV and the common cold. A telltale sign you’re getting sick is ...

Mucus keeps these areas from drying out and helps defend against invaders, including viruses and bacteria. Infections, allergies, and smoking can cause excess mucus to build up in the body. Keep ...

Dear Dr. Douma: I am continuously bothered by mucus or phlegm in my throat. I have a hard time swallowing it. Sometimes it seems to cover my throat so I can't breathe. One doctor told me it wasn't ...

Asthma can cause excess mucus buildup in the lungs, leading to chest congestion. It usually worsens when you have a respiratory infection or when your allergies are acting up, but you can also feel ...

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 ...

Various home remedies can help manage phlegm and mucus, such as drinking plenty of fluids and using a saline nasal spray or rinse. If home remedies do not help, over-the-counter and prescription ...