What Does It Mean If My Snot Is Yellow

When your mucus traps potential illness causing debris like pathogens that cause the common cold or flu your immune system.

The yellow color comes from the cells white blood cells for example rushing to kill the offending germs. When it is caused by bacteria you may notice yellow or green phlegm nasal congestion postnasal drip and pressure in your sinus cavities. When your snot turns yellow it means your illness is progressing normally. This is a chronic lung disease where.

Your mucus usually turns yellow when your body is fighting an infection.