Possibly have you a while ago had a runny nose? Probably did you get rid of the cold? Certainly you did! You will not heal an acute rhinitis itself, but your immune system typically creates immunity to any type of cold infection within a couple of weeks. We call that healed by your personal immune response!Adults have previously had a great deal of the cold viruses. Adults have acquired immunity to the colds they have actually had. Therefore there are not lots of runny nose infections existing for parents to catch. That is why adults only get infected with a few runny noses per year whereas youngsters acquire 10-12 colds per year.