Best Motion Sickness Tablets in Australia

Why Motion Sickness Happens

Motion sickness comes from a mismatch between what your eyes see and what the balance organs in your inner ear feel. When you read in a moving car, your eyes tell your brain you are still while your inner ear senses movement. Your brain struggles to reconcile the two signals, and the result is nausea, cold sweats, dizziness and sometimes vomiting. This is why it is also called travel sickness, car sickness or, on the water, sea sickness.

Most motion sickness tablets work on the same underlying pathway. They dampen the nerve signals travelling from the inner ear to the part of the brain that triggers nausea and vomiting. Because they act before those signals build up, these medicines are far more effective at preventing symptoms than at settling them once you already feel unwell. That single fact shapes almost everything about how you should use them.

Motion Sickness Tablets: The Main Options

There is a range of tablets available over the counter in Australian pharmacies, but they come down to a few active ingredients. Understanding the class matters more than the brand, because the ingredient determines how fast it works, how long it lasts and how drowsy it makes you.

Hyoscine hydrobromide (Kwells)

Hyoscine hydrobromide is an anticholinergic — it blocks a nerve-signalling chemical involved in the nausea pathway. In Australia it is sold as Kwells, a small chewable tablet containing 300 micrograms for adults. It works quickly, usually within about 30 minutes, and each dose lasts up to roughly 6 hours, which makes it a practical choice for shorter journeys or when you want to dose flexibly. The trade-offs are typical anticholinergic effects: dry mouth, blurred vision and drowsiness. The adult tablet is not for children under 12, though a lower-strength Kwells Kids version covers ages 2 to 12.

Sedating antihistamines (dimenhydrinate, promethazine, meclozine)

Older sedating antihistamines are the other mainstay. Australian Prescriber notes that dimenhydrinate, promethazine hydrochloride and promethazine theoclate are all approved in Australia for preventing and treating motion sickness. Dimenhydrinate is the antihistamine in Travacalm Original. Meclozine (also spelled meclizine) is the active ingredient in Sea-Legs and is longer-acting, so a single dose can cover most of a day. As a group, antihistamines tend to start a little more slowly than hyoscine but can last longer. The main downside is drowsiness, which is often more pronounced than with hyoscine — promethazine in particular is strongly sedating.

Combination tablets and ginger

Some products combine ingredients. Travacalm Original, for example, pairs hyoscine with dimenhydrinate plus a small amount of caffeine intended to offset some of the drowsiness. Separately, ginger-based products such as Travacalm Natural and Blackmores Travel Calm Ginger are marketed as non-drowsy alternatives. The evidence for ginger is milder and less consistent than for the medicines above, but it may help some people with mild symptoms and does not cause sedation, which can make it worth trying if you need to stay alert.

Comparing Motion Sickness Tablets at a Glance

This table summarises the main active ingredients available over the counter in Australia. Onset and duration are approximate and vary between people; always check the specific product label for dosing.

Timing: Take Them Before You Travel

This is the step most people get wrong. Motion sickness tablets are designed to prevent symptoms, so they work best when taken before the journey starts. The general guidance, echoed by product labels and Australian pharmacies, is to take your tablet 30 to 60 minutes before you set off. Taking one once you already feel queasy is far less effective, partly because nausea slows how quickly your stomach empties and absorbs the medicine.

For a long trip, check the label for whether and when you can take a repeat dose — hyoscine may need re-dosing every few hours, while a longer-acting antihistamine like meclozine may cover the whole day in one go. If you are flying, sailing or driving somewhere with a known rough stretch, plan your dose around the start of the journey rather than the roughest part.

Drowsiness, Driving and Other Side Effects

If staying alert is essential — for example, if you are the driver on a road trip — a non-drowsy ginger product or an acupressure band may be a better first step than a sedating tablet. Where a medicine is needed, a lower-drowsiness antihistamine such as meclozine, or a combination product containing a small amount of caffeine, may cause less sedation than promethazine, though individual responses vary.

Non-Drug Ways to Reduce Motion Sickness

Tablets are not the only tool. Simple behavioural steps can reduce symptoms and, for milder cases, may be enough on their own. They also pair well with medication for people who are very prone to travel sickness.

• radio_button_uncheckedFace forward and watch the horizon or a fixed distant point — this helps your eyes and inner ear agree on what is happening.
• radio_button_uncheckedChoose a seat with the least motion: the front seat of a car, over the wing on a plane, or midship on a boat.
• radio_button_uncheckedAvoid reading, screens and close-up tasks while moving, as they worsen the sensory mismatch.
• radio_button_uncheckedGet fresh air where you can, and keep cool — stuffy, warm spaces tend to make nausea worse.
• radio_button_uncheckedTry acupressure wristbands (such as Sea-Bands), which apply pressure to a point on the wrist; evidence is mixed but they are non-drowsy and low-risk to try.
• radio_button_uncheckedGinger — as a supplement, tea or lolly — may help settle mild nausea for some people without causing drowsiness.

Options for Children and Older Adults

Children are especially prone to motion sickness, but not every adult tablet is suitable for them. Adult hyoscine tablets like Kwells are not for children under 12; a lower-strength Kwells Kids product covers ages 2 to 12. Some antihistamines have their own age limits, and promethazine in particular should be used cautiously in young children and avoided in very young ones. Always check the specific product's minimum age and dosing, and ask your pharmacist to recommend an age-appropriate option rather than splitting adult doses.

Older adults are more sensitive to the anticholinergic and sedating effects of these medicines, including dry mouth, blurred vision, confusion and falls risk. Hyoscine should be used with particular care by people with glaucoma, an enlarged prostate or heart problems. If you are older, take other regular medicines, are pregnant or breastfeeding, or have a chronic health condition, speak to your pharmacist or GP before starting a motion sickness tablet so you can choose a suitable option.

FAQ

What is the best motion sickness medicine in Australia?

There is no single best tablet for everyone — it depends on your trip and how much drowsiness you can tolerate. For a short journey with fast, flexible dosing, hyoscine hydrobromide (Kwells) is a common starting point because it works within about 30 minutes. For a long trip where lasting cover matters more, a sedating antihistamine such as dimenhydrinate or a once-daily option like meclozine may suit better. If you need to stay alert, a non-drowsy ginger product or an acupressure band is worth trying first. Ask your pharmacist to match the option to your age, health and other medicines.

What's the best pill for motion sickness?

The best pill is the one that matches your situation. Hyoscine hydrobromide is fast-acting and short-lasting, which is ideal for a quick car or ferry trip. Antihistamines such as dimenhydrinate and meclozine last longer and are better for extended travel, though they are generally more sedating. The most important factor is not the brand but the timing: whichever pill you choose, take it 30 to 60 minutes before you travel for the best chance of preventing symptoms.

Can you buy anti-nausea tablets over the counter in Australia?

Yes. Motion sickness tablets containing hyoscine hydrobromide (Kwells), dimenhydrinate (Travacalm Original), meclozine (Sea-Legs) and ginger are all available over the counter at Australian pharmacies such as Chemist Warehouse, Priceline and Amcal, and many are also stocked in supermarkets. Some are kept behind the counter, so you may need to ask the pharmacist. Prescription anti-nausea medicines used for other causes of nausea, such as ondansetron, are a separate category and require a doctor's script.

Is Kwells or Travacalm better?

They suit different needs. Kwells contains only hyoscine hydrobromide — it acts fast, lasts up to around 6 hours and is easy to re-dose for short trips. Travacalm Original is a combination of hyoscine, the antihistamine dimenhydrinate and a small amount of caffeine, which some people find gives more robust cover on longer or rougher journeys. Travacalm Original can be more sedating because of the added antihistamine, while the caffeine is intended to offset some of that drowsiness. Neither is universally better; choose based on trip length and how much drowsiness you can accept, and check suitability with your pharmacist.

What is a good non-drowsy option for motion sickness?

If you need to stay alert — for example, if you are driving — start with non-drug measures and a ginger-based product such as Travacalm Natural or Blackmores Travel Calm Ginger, which do not cause sedation. Acupressure wristbands are another non-drowsy option that is low-risk to try. Among the medicines, meclozine (Sea-Legs) is generally less sedating than dimenhydrinate or promethazine, though it can still cause some drowsiness. No motion sickness medicine is completely free of drowsiness for everyone, so avoid driving until you know how a product affects you.

How long before travelling should I take a motion sickness tablet?

Take it 30 to 60 minutes before you set off. These medicines prevent symptoms rather than settle them, so they need time to take effect before the motion starts. Taking a tablet once you already feel sick works far less well, because nausea slows how quickly your stomach absorbs the medicine. For long journeys, check the label for when a repeat dose is allowed, or choose a longer-acting option like meclozine that can cover most of the day in a single dose.