Originally Posted by
MrLurcher
Have you been travelling on trains/boats a lot?
I had something similar while travelling around France years ago. Mine was while walking. Felt like I was walking on a ship, or going in an elevator like you described. I also felt nauseous as well.
Not sure what caused it. Could have been exhaustion, or all the train travelling. But it was most likely an inner ear infection/issue judging by things online. Cleared up on its own around week after returning home. It happened again a few years later, but again, just went away.