To combat cruise-induced nausea (seasickness), the most effective medical remedy is the Scopolamine patch (Transderm Scōp), which is applied behind the ear at least eight hours before sailing and lasts for three days. Over-the-counter options like Meclizine (Bonine) or Dimenhydrinate (Dramamine) are also highly effective, though they can cause drowsiness. For non-medicinal approaches, many cruisers swear by Sea-Bands, which use acupressure on the P6 (Nei-Kuan) point on the wrist. Diet also plays a huge role; eating green apples or ginger (in the form of candies, tea, or capsules) is a time-tested way to settle the stomach. Physically, the best thing you can do is go to the middle of the ship on a lower deck, where the motion is least pronounced, and look at the horizon. This helps your brain reconcile the mixed signals it's receiving from your inner ear and your eyes. Avoid reading or looking at screens during rough seas, as this often triggers the vestibular system to feel more disoriented.