Common symptoms are cold sweats, nausea and vomiting, also dizziness, fatigue and pale skin. The skipper will usually want the sea sick person to remain on deck. First, because it’s easier to clean up but also because long-gazing the horizon removes some of the confusion in the brain, lessening your body’s reaction. If these steps are taken, make sure the person is properly dressed to weather and tethered in so you aren’t having to manage an MOB at the same time.
When you're experiencing seasickness inside a boat, it’s because the vestibular system feels you’re moving, but you have reduced visual input. When you step onto the deck and look to the horizon, its stability can help rectify the mismatch in your brain. Sometimes this is not effective in strong weather and choppy seas. Studies have found that ginger can be more effective than Dramamine in reducing seasickness symptoms. Chew it, suck on it, or dilute it in hot tea. One sure-fire way for me to get seasick is by watching seasick people, every time. Try to find a quiet place on deck, away from other passengers. German researchers found that lying flat on your back prevents histamine from reaching the brain, reducing the nauseous feeling.