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

When an unstoppable cough disrupts your daily routine, finding relief becomes a top priority. Medical experts have identified various triggers for these persistent coughs, ranging from common ...

When you’re sick, you’ll often produce more phlegm, and might notice it’s thicker or a different colour: white, green, yellow or maybe even brown. What can this phlegm – also called mucus, snot, ...