why does pinching/plugging your nose stop a sneeze?

Question

When you feel a sneeze coming and you pinch/plug your nose. Why does the sneeze go away?

In: 4

Answer 1

If it works for you, it is probably because you confuse the nerves that would trigger a sneeze. Sneeze is a reaction to certain chemicals or tickles in the nose.

this cannot stop a sneeze that already started. It can prevent further sneezes.