Snot coming out of the nose not only appeared when people cold. But several other conditions such as allergies or trauma also triggers the release of snot. Mucus can be distinguished whether it is ordinary or snot snot that contain the infection.

Mucus is generally produced by cells lining the sinus tract. This fluid serves to keep the nasal membranes (nose) remain moist, as well as useful for fighting infections and irritation. (more…)