Why Do You Get Runny Nose During A Cold?

Added: 2026-04-29

[00:00:00]Why do we get runny nose when catching a cold? When a virus like the rhinovirus enters your body, your immune system goes into attack mode. Your nose lining gets irritated and boom, your body starts producing tons of mucus to trap the virus and flush it out. That watery drip, that's your body literally washing the infection away. And when it turns yellow or green, that means your immune cells are in full battle mode. When was the last time you caught a cold? Let me know in the comments below. As always, if you like this video, don't forget to like and subscribe to my channel.