Learn to recognize the six warning signs that distinguish a pneumonia cough from a common cold, plus essential treatment and ...

The symptoms can include coughing up thick yellow, green, or brown phlegm. Seek medical attention if you think you have ...

But brown mucus isn’t always because of blood. It could also be dirt, dust, or discolouration from inhaling smoke. If you’re coughing up brown mucus, though, you should see a doctor because ...