Perchance have you previously been down with a cold virus? By any chance did you do away with the cold? Naturally you recovered! You cannot treat a runny nose directly, nevertheless your immune system usually establishes immunity to a specific cold virus within a couple of weeks. That is called being healed by your own immune response!Parents have currently had a great deal of the runny nose infections. Adults have actually developed resistance to the colds they have actually had. So there are not so many cold infections existing for parents to acquire. That is why adults only acquire a couple of colds annually and kids succumb to 10-12 runny noses per year.