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 ...

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

A cough lasting over eight weeks, known as a chronic cough, signals potential underlying issues like asthma, reflux, or heart ...

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 ...

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 ...

Infections often cause toddlers to cough at night. It may sound like barking or whooping. Caregivers can ensure children get plenty of rest and clear fluids, give them a warm bath or shower before bed ...