How do I know if I will get seasick on a cruise?

Some tried and tested ways to know whether you will get motion sickness on a cruise – and how to prevent and treat seasickness – with more than just sea sickness tablets – if it happens.

Cruising is a fairly stress-free way to travel – amazing sights on the land during the day, fun activities to keep kids and adults relaxed during the afternoon, and you have somewhere already arranged to sleep every night.

But for those who have never spent a lot of time on ships, ferries, or even dinghies, how can you know that motion sickness isn’t going to ruin your 2-week trip around the Caribbean? And what can you do if it does?

Ho do we get motion sickness?

Why does our body try to reject breakfast when the world is moving around more than we are? It’s actually an ancient survival tactic.

When your eyes are saying one thing – we’re staying still – and your ears and feet are saying another thing – we’re moving – then your brain freaks out because your balance system is disagreeing with itself. So the brain responds by making your body feel nauseous. This is your brain’s way of sending the message, “Danger, Will Robinson! Remove yourself from this situation immediately.”

From a natural selection point of view, this makes sense to our species’ survival: if something makes us feel sick, we don’t do it again.

Read on for our best tips for countering motion sickness while out at sea! And read CANSTAR’s beach holiday packing guide

Can I predict whether I will get motion sickness on a cruise?

You probably don’t need to worry about the possibility of seasickness unless you have a bad history with motion sickness. The majority of people never get sick on a cruise, for two reasons.

Cruise liners have the benefit of sheer size, meaning they move less in the water. They also have large stabilisers, underwater wings that are computer-controlled to counteract the motion of the sea.

Just remember, everybody takes a while to acclimatise to being on a big ship. Even big ships go up and down slightly with the water, so you still need to learn to walk more deliberately than you do on land. This is known as “getting your sea legs”.

Do you get motion sickness in other vehicles?

How do I know If I will get seasick on a cruise?

A good test to know whether you will get seasick – if you haven’t been on a boat – is to ask whether you’ve ever gotten carsick or motion-sick in a car, bus, train, or even airplane. Even some of the less terrifying rollercoasters can give you a good indication of how your body might respond.

If you don’t tend to get sick in vehicles, then feel reassured that you probably won’t suffer terribly from seasickness.

If you’ve ever gotten motion-sick before, you can figure out any of the key factors that may have caused it and avoid the same type of situation on your cruise. Maybe you read a book instead of watching the horizon. Or maybe you ate a big meal before sitting in the hot sun in the passenger seat for the whole 8-hour road trip.

How to treat motion sickness

  • Horizon: The easiest way to reassure your body is to look at the horizon because it is a fixed point – fixed to the non-moving earth, that is. This helps your balance centre agree and will calm brain-induced seasickness. Closing your eyes works equally well, since your eyes can’t disagree with your ear/body balance senses. Scientific studies have proven that looking at a far-away object helps to retain balance, while on land, you should choose something close.
  • Fresh air: Go outside on a lower deck and take some deep breaths.
  • Movement: If you start walking around, your whole body will once again be in agreement that you are moving, and the nausea will fade.
  • Lower centre of gravity: If there are any spare rooms, ask the crew if you can be moved to a lower deck. This puts you closer to the centre of gravity of the ship, where the rocking motion is much less. The rocking is worst in the bow (front) or stern (back) of the ship on the top deck.
  • Accupressure wristbands / Biobands: These are wristbands with little round buttons on them that you press against your wrist pressure points. This pressure apparently “reassures” your nervous system. They are available from any chemist.
  • Ginger: Ginger candy to chew, or ginger beer to drink.
  • Food and Water: Drinking water will usually calm a nervous stomach, but take small sips more often, rather than gulping down a litre at once. The same applies with food – small snacks more often will be tolerated better than an all-you-can-eat buffet three times a day. What to eat? Dry crackers, green apples, and lemonade are all proven home remedies.
  • Avoid alcohol: Alcohol will confuse your balance centre, which increases the feeling of nausea.
  • Medication: Travel sickness tablets available over-the-counter at the chemist include the antihistamine compounds Benadryl, Dramamine, and Meclizine. Take them before you get on the ship; being proactive with motion sickness is approved by doctors. You’ll probably get used to the ocean in a day or two and can stop taking the medication. In extreme cases the ship’s doctor can give you prescription medications, which they will charge you for.
  • Sleep it off: Take a drowsy antihistamine and sleep it off. Unfortunately, this means you’ll sleep through some of your cruise.

If you’re not sure whether or not you may be motion sick on a cruise, best to play it safe and take some preventative medication with you. It would be a shame to spend all that money on a cruise only to spend most of it feeling less than fantastic!

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