Superintendent Pharmacist and Independent Prescriber
Oluwole Ososami
Leads clinical governance at Westbury Chemist. Clinical interests include acute respiratory conditions, urinary tract infections and musculoskeletal conditions.
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Westbury Chemist is a GPhC-registered pharmacy (Registration No. 1041186) operated by qualified pharmacists, providing professional and regulated healthcare services
Kwells travel sickness tablets offer a quick, melt-in-the-mouth remedy for motion sickness. Motion sickness happens when your brain gets mixed signals about your environment. Your eyes might say you're staying still, but your inner ear signals that you're moving. This confusion leads to the nausea known as travel sickness.
Kwells tablets have hyoscine hydrobromide as their active ingredient. This works on the inner ear organs that control balance, helping to lessen the impact of movement on them and calming the nerves that trigger nausea. By doing this, it prevents your ears from sending mixed signals to your brain, which should help relieve the symptoms of motion sickness.
Most adults and children over 10 can safely take Kwells motion sickness tablets. However, you should avoid them if:
You should avoid taking Kwells tablets if you're on any of the following medications, unless your doctor has specifically advised you to do so: Amantadine (an antiviral), antihistamines, antipsychotics, antidepressants, linezolid (an antibiotic), domperidone and metoclopramide (for nausea and vomiting), or sublingual nitrates (for angina).
Kwells tablets are available in a single strength, with each tablet containing 300 micrograms of hyoscine hydrobromide. The tablets have a line down the middle, making it easy to split them into two 150 microgram doses. Adults can take one tablet every six hours if needed, but should not exceed three tablets in a 24-hour period. Children over 10 years old can take either half a tablet or a full tablet every six hours, but should also not take more than three tablets in 24 hours.
There's a version of Kwells specifically for children, known as Kwells Kids. Each Kwells Kids tablet has 150 micrograms of hyoscine hydrobromide.
They dissolve in your mouth, allowing your body to absorb them more quickly than if they went through your stomach, so you feel better sooner.
Always take Kwells tablets exactly as directed. Do not take more than one tablet every six hours, and never exceed three tablets in a 24-hour period. If you accidentally take too many, seek medical help straight away. Symptoms of an overdose may include a fast or irregular heartbeat, blurred vision, sensitivity to light, drowsiness, difficulty urinating, and hallucinations. Treatment might involve having your stomach washed out or inducing vomiting to remove the substance from your body.
You can buy Kwells without a prescription, as it's available over the counter at most UK pharmacies to help with motion sickness. Since it's a pharmacy medicine, a pharmacist will need to ensure it's right for you before you use it. Always follow the instructions that come with your medicine to ensure it works effectively.
In more than 14 studies involving 1,025 people, the active ingredient in Kwells tablets, hyoscine hydrobromide, has been shown to be more effective than a placebo in preventing motion sickness. Additionally, in the limited comparisons made between hyoscine hydrobromide and other treatments like antihistamines, calcium channel blockers, and methscopolamine, it was found to be as good as or even better than these alternatives.
Certainly! Children aged over 10 can take half to a whole Kwells 300 microgram tablet every 6 hours to help with motion sickness. Kwells tablets have a line down the middle, making them easy to split in half.
There's another option suitable for children aged four and above. It's called Kwell Kids and comes in 150 microgram tablets.
Yes, the military has been using hyoscine hydrobromide skin patches to treat seasickness for many years.
A study looked at 76 naval crew members over two trips to compare hyoscine hydrobromide with cinnarizine, an antihistamine used for seasickness. The results showed that hyoscine patches were much more effective and caused fewer side effects.
Although this study focused on skin patches instead of tablets, the active ingredient and dosage remain the same, it's just the method of taking it that's different.
Phenergan tablets are an alternative option for managing travel sickness. They contain an antihistamine that not only treats allergies but also works on the brain to help you feel calmer.
Unlike Kwells, you should take Phenergan the night before your trip.
You might find Scopoderm skin patches a better option. You'll need to apply them five to six hours before you travel, so some planning is needed, but they can offer relief for up to 72 hours.
If you've got a lot of travel planned in the next few days, Scopoderm might be the ideal treatment for you.
Like with any medicine, you might experience some side effects when taking Kwells, though not everyone does. These can include blurred vision, dilated pupils, dry mouth, drowsiness, and dizziness. In rare cases, people have reported feeling restless, experiencing hallucinations, or feeling confused.
Kwells tablets aren't suitable for everyone, and there are a few things you should be mindful of when using them.
Here's all the official information about them. If anything isn't clear, just let our clinician know, and they can discuss it with you.

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Medicines can cause side effects. Always read the leaflet that comes with your medication and report any side effects to your pharmacist.
The electronic medicines compendium (emc) publishes the official leaflets for licensed UK medicines.
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Superintendent Pharmacist and Independent Prescriber
Leads clinical governance at Westbury Chemist. Clinical interests include acute respiratory conditions, urinary tract infections and musculoskeletal conditions.
Pharmacist Independent Prescriber
Clinical interests include ear, nose and throat conditions, high blood pressure and weight management.
Pharmacist Independent Prescriber
Clinical interests include asthma, COPD and the management of long-term conditions.
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