When you have one blocked nostril, how come it switches to the side you sleep on yet it doesn’t drain out when you sit vertically/stand up or how come it doesn’t come out when you try to blow it out?

Question

When you have one blocked nostril, how come it switches to the side you sleep on yet it doesn’t drain out when you sit vertically/stand up or how come it doesn’t come out when you try to blow it out?

In: Biology

Answer 1

Not a qualified answer to your question, but try pressing your tounge really hard on your palate for a couple of seconds and then release. It gives a short term relief from a clogged nostril.