LYJEE acupressure motion sickness wristbands
I had never been on a cruise, so I had no idea if I'd get seasick. These were seven dollars. Worst case they do nothing; best case you don't lose a night of the trip.
Pack real motion sickness medicine too (Dramamine or Bonine) even if you never get sick in a car.
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If you want the details, here they are.
The ship's medical center sells motion sickness pills, but at ship prices. Bring your own from home.
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