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

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 ...

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 ...

Coughing up blood is usually a cause for concern and should be addressed immediately. Serious conditions that may cause you to cough blood are lung cancer and congestive heart failure. Seek emergency ...

A wet cough is one that produces mucus or phlegm. It’s also sometimes called a productive or chesty cough. An occasional cough is usually nothing to be worried about — it’s a normal reflex that helps ...

Coughing is one of the most common and noticeable symptoms of the condition, but it’s specifically a cough that lasts a long ...

If you have a persistent cough and it does not seem to be going away no matter what you are doing, it could be worth visiting your GP as something more sinister could be going on. If you are talking ...

For centuries, doctors and caregivers have listened to the different types of cough in search of clues to help diagnose underlying disease. Coughs are a valuable diagnostic tool, but how do you know ...