What happens to a tampon when you are swimming?

Answer 1

For the most part nothing happens, the tampon will work just as it would normally. However it is possible for water to get into your vagina so be absorbed by the tampon, if this happens then the tampon may fill with water so make it a little more uncomfortable and more likely to leak. If concerned try wearing tampons in the bath to see how they work out, or consider menstrual cups which don't absorb water or leak like tampons.