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

Coughing can be caused by pollution or viral infections. Experts explain key differences, warning signs and when simple care ...

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 ...

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 ...

People often dismiss a cough as a minor ailment, but sometimes it can be a sign of an underlying problem, especially when ...

People who experienced severe long COVID had two stand-out symptoms: Persistent cough and a lot of sputum within the year after being hospitalized for their initial infection, according to a new study ...

Hearing others coughing and choking is one of the annoying things in life, but learning to listen to your cough can sometimes ...

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 ...

Pneumonia coughs are usually deeper and louder than regular coughs. A pneumonia cough often brings up mucus, which can be ...

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 ...