What Does It Mean If My Snot Is Yellow

The yellow color comes from the cells white blood cells for example rushing to kill the offending germs.

Your mucus usually turns yellow when your body is fighting an infection. White blood cells and other cells from the immune system have come to fight the germs making you sick and some of them are now exhausted and being washed away by mucus. When your mucus traps potential illness causing debris like pathogens that cause the common cold or flu your immune system. Once the cells have done their work they re discarded in your snot and tinge it a.

This is a chronic lung disease where.