I have meniere's in one ear. what are the chances of getting it also in the other ear?

Meniere's ear: Meniere's typically affects one ear. Available statistics suggest that over a 30 year period, the other ear can become affected in up to 50% of patients.

Both ears Meniere's : The likelihood of both ears being affected varies widely in studies, but a range of 1 in 3 to 2 in five is most commonly seen. Always expect another diagnosis first.