Mucus production is natural. However, overproduction of mucus in the throat can lead to long-term coughing and throat irritation. Certain conditions and factors can lead to an excess of mucus, such as ...
When you're sick you'll often produce more phlegm, and might notice it's thicker or a different color: white, green, yellow or maybe even brown. We all produce mucus, even when healthy. Mucus is a ...