Likely have you a while ago suffered through acute rhinitis? Conceivably did you heal from the issue? Naturally you did! You won't heal a runny nose directly, but your system normally develops resistance to a certain cold infection within a couple of weeks. We call that healed by your personal immune system!Parents have actually previously had a lot of the cold viruses. Parents have actually developed immunity to the viruses they have actually suffered from. So there are not quite as many cold infections remaining for adults to catch. That is why parents just get infected with a few runny noses each year and kids acquire 10-12 runny noses per year.