Don't wait until you're nauseated, it's too late. https://www.dramamine.com/blog/5-tips-to-avoid-motion-sickness-your-first-cruise#:~:text=Try%20taking%20Dramamine%C2%AE%20Original,for%20up%20to%2024%20hours. I never get sick on planes, but I can say it works noticeably well on ships.
... View more
