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

The moment you notice blood in your cough, your world can suddenly feel like it’s spinning out of control. That metallic taste in your mouth and the frightening sight of red-tinged sputum can trigger ...

If you’ve ever fought a cold or infection in the past, chances are you’ve had the not-so-pleasant experience of coughing up green phlegm. Along with a runny nose and sore throat, green phlegm is ...

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 ...

What's that cough? Everybody coughs; it's the number one illness-related reason people go to the doctor, according to the Centers for Disease Control and Prevention. Most cases of cough are temporary, ...

People may experience a cough and sore throat, but no fever. Causes of this can include a simple irritation, infection, or obstruction in the throat. Coughing is a natural reflex that helps clear the ...

Amanda Gardner is a health reporter whose stories have appeared in cnn.com, health.com, cnn.com, WebMD, HealthDay, Self Magazine, the New York Daily News, Teachers & Writers Magazine, the Foreign ...

(HealthDay News) — Smoking marijuana seems to be associated with increased risk of cough, sputum production, and wheezing, according to a review published online July 3 in the Annals of Internal ...

Learn more about whooping cough and how a decline in vaccination rates may be contributing to a spike in cases.

Allergies? A cold? Acid reflux? Here are some reasons behind your cough. — -- intro: Allergies? A cold? Acid reflux? No matter what the cause, there’s a simple reason behind all your hacking: “A ...