A cough lasting more than three weeks could signal underlying health issues. Know possible causes, red flags, and when medical attention becomes essential.

An irritating cough that just won’t go away is easy to dismiss as a mild inconvenience like a cold or flu, but in some cases, it can be a sign of different conditions. “One of the most common causes ...

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 ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

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 ...

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 ...

Coughs that nag you all day long are bad enough. But when they keep you awake all night, you can feel downright awful. How can you calm down your cough so you can get the sleep you need? You’re in ...

Huff coughing, or huffing, is a breathing technique that helps move mucus out of the lungs. It can clear the lungs and help prevent infection in people with conditions such as chronic obstructive ...