Coughing up phlegm feels gross, especially if you’re already dealing with other unpleasant symptoms from a cold or other ...

Medically reviewed by Mary Choy, PharmD Key Takeaways Thick mucus in the throat can be caused by infections like colds, ...

Bloody, brown, white, yellow, or green phlegm may be a sign of an underlying condition or infection. Viral and bacterial infections, allergies, and respiratory illnesses can cause phlegm as a symptom.

"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 ...