Motion sickness happens when your brain receives conflicting signals from your eyes, inner ear, and body about whether and how you’re moving. The good news: a combination of positioning, timing, medication, and simple behavioral tricks can prevent or dramatically reduce symptoms. Most people can find a strategy that works, whether they’re prone to carsickness, seasickness, or nausea on planes.
Why Motion Sickness Happens
Your brain constantly compares what your eyes see, what your inner ear detects, and what your muscles and joints feel. It also compares all of that incoming information against what it expects based on past experience. When those signals don’t match, the mismatch generates what researchers call a “sensory conflict signal,” and the bigger the mismatch, the worse you feel.
Reading in a moving car is the classic example: your eyes are focused on a stationary page, but your inner ear registers every turn and bump. Your brain can’t reconcile the two, and the result is nausea, dizziness, cold sweating, and sometimes vomiting. The area of the brain responsible for triggering vomiting sits near a region that processes orientation signals, which is why the response can escalate quickly once it starts.
Where to Sit in Any Vehicle
Your position matters more than most people realize. The goal is to minimize the motion your body experiences and maximize your ability to see the horizon or the direction of travel.
- Cars: The front passenger seat is best. You can see the road ahead, which helps your brain predict upcoming motion. The driver almost never gets carsick because they’re actively controlling the vehicle and watching the road.
- Planes: Sit over the wings, where the fuselage pivots least during turbulence. A window seat helps because you can look at the horizon.
- Boats: Go lower and toward the center of the vessel. The lower you are, the less you feel the rolling motion. If you can get on deck, fixing your eyes on the horizon gives your brain a stable reference point.
- Trains and buses: Face forward. Sitting backward amplifies the sensory mismatch because your inner ear feels forward acceleration while your eyes see the world receding.
Behavioral Strategies That Help
These techniques work by reducing sensory conflict or calming the body’s response once symptoms start. You can combine several at once.
Look out the window at a distant, stable point, ideally the horizon. This gives your visual system motion information that matches what your inner ear is reporting. Avoid reading, scrolling on your phone, or watching videos. Anything that locks your eyes on a fixed object inside a moving vehicle worsens the mismatch.
Fresh, cool air across the face helps many people. Open a window or direct an air vent toward you. Closing your eyes can also work in a pinch: it eliminates the visual conflict entirely, even if it doesn’t feel intuitive.
Recline slightly if you can, and keep your head as still as possible. Tilting, turning, or bobbing your head introduces extra signals your brain has to process. Some people find that being the driver or co-navigator helps because anticipating turns and stops lets the brain predict the motion before it happens.
What to Eat and Drink Before Travel
Travel on a light stomach, not an empty one. The CDC recommends eating small amounts of food frequently rather than one large meal. An empty stomach can make nausea worse, but a heavy or greasy meal before a boat ride isn’t doing you any favors either. Bland, easy-to-digest snacks like crackers or plain bread are a safe bet.
Stay hydrated with water. Limit alcohol and caffeinated drinks, both of which can worsen symptoms. Ginger candy or flavored ginger lozenges are a well-known folk remedy that many travelers swear by, and the CDC includes them among its practical suggestions for managing symptoms.
Over-the-Counter Medications
The two most common OTC options are dimenhydrinate (sold as Dramamine) and meclizine (sold as Bonine or Dramamine Less Drowsy). Both are antihistamines that work by dampening the signals between your inner ear and your brain’s vomiting center.
The critical rule for both: take them before you feel sick. These medications are far more effective at preventing nausea than stopping it once it’s already started. Plan to take them 30 to 60 minutes before travel. Drowsiness is the main side effect, though meclizine tends to cause less sedation than dimenhydrinate, which is why it’s often marketed as the “less drowsy” option. Both can cause dry mouth and blurred vision in some people.
If you know you’re prone to motion sickness on a long trip, dosing on schedule throughout the day is more effective than waiting for symptoms to return.
Prescription Options for Severe Cases
For people who get severely motion sick, especially on multi-day cruises or military deployments, a scopolamine patch is the gold standard. It’s a small, circular patch placed on the hairless skin behind your ear at least four hours before you need it to work. One patch lasts up to three days. If you need longer protection, you remove the old patch and place a new one behind the other ear.
Application details matter: the skin behind your ear needs to be clean and completely dry. Don’t touch the adhesive side with your fingers, because the medication can transfer to your hands and then to your eyes, causing blurred vision or dilated pupils. Wash your hands thoroughly with soap and water after applying it. The patch can come loose during swimming, so limit water exposure to the area.
Common side effects include dry mouth, drowsiness, dizziness, and dilated pupils. Some people experience disorientation. Scopolamine requires a prescription, so you’ll need to plan ahead with your doctor before a trip.
Acupressure Wristbands
Wristbands that press on the P6 acupuncture point on the inner wrist are widely sold for motion sickness. The P6 point sits about three finger-widths below the wrist crease, between the two tendons on the inner forearm. A large body of research, including a Cochrane review pooling over 3,000 patients across 26 trials, found that stimulating this point was genuinely superior to sham treatment for reducing nausea and vomiting, at least in postoperative settings. Results for motion-specific nausea have also been positive, though the evidence is smaller in scale.
Electronic versions of these bands deliver mild electrical stimulation to the same point. One such device, the ReliefBand, has FDA clearance for treating nausea from motion sickness, pregnancy, and chemotherapy. These bands are drug-free and have essentially no side effects, making them a reasonable option to try alone or alongside medication. They won’t work for everyone, but they carry no real downside.
Motion Sickness in Children
Kids between roughly ages 2 and 12 are especially prone to motion sickness, partly because their sensory systems are still developing. For children aged 6 to 12, chewable dimenhydrinate (Dramamine for Kids) at a dose of 12 to 25 mg is the most commonly recommended option, given one to two hours before travel.
There are important safety concerns with children. Antihistamines can cause paradoxical agitation in some kids, making them restless and upset instead of calm. The CDC recommends trying a test dose at home before any trip to see how your child reacts. Over-sedating young children with antihistamines can be life-threatening, so sticking to the recommended dose is essential.
Scopolamine patches should not be used in children. They can cause hallucinations and mental confusion in younger patients. For kids, non-drug strategies like sitting in the front seat (if age-appropriate for your car’s airbag system), looking out the window, and taking frequent breaks during road trips are the safest first-line approach.
Building Tolerance Over Time
One of the more useful things about motion sickness is that your brain can adapt. The same sensory conflict theory that explains why you get sick also explains why repeated exposure reduces symptoms. Your brain updates its internal model of expected sensory input based on experience. Sailors who are miserable on day one of a voyage often feel fine by day three or four.
You can use this to your advantage with gradual exposure. Short, repeated trips with increasing duration can train your system to tolerate motion better. This is part of why frequent travelers tend to have less trouble over time. If you’re preparing for a cruise or a long road trip, taking a few shorter practice trips in the weeks beforehand can help your brain recalibrate.