Symptoms of the infection often develop slowly and typically start with a cough lasting for more than three weeks ...

A person will often cough up phlegm when viruses, bacteria, or unwanted — possibly cancerous — cells are present in the lungs. Clear or light-colored mucus often does not indicate a serious ...

Being sick is scary enough ... or chest pain to be seen by a doctor promptly. It is not normal to cough up black mucus or ...

Experts say it’s better to spit out excess mucus when you’re sick, but there’s no harm ... is no evidence that swallowing mucus you cough up harms your stomach or intestines.

This response, while protective, can cause discomfort and lead to more severe complications if not ... mucus build-up, says Dr Chung. “They line the mucus and thin it out to help the patient ...

This can cause your phlegm to contain traces of blood. Repeatedly coughing up phlegm often brings small amounts of blood into the mouth and onto the taste buds, leading to a distinct metallic ...