Buy Kwells travel sickness tablets online from a UK pharmacy

  • Help your brain process the conflicting signals of motion and vision that cause travel sickness symptoms
  • Get to work within 30 minutes
  • Available from £6.15 + prescription fees and delivery costs

Our prices

Strength Quantity Price Stock
0.3mg12 tablets£6.15Out of Stock
0.3mg24 tablets£8.85Out of Stock
0.3mg36 tablets£12.65Out of Stock
Prices exclude a prescription fee. This treatment requires a quick online consultation,
which a doctor will review to determine if a prescription is appropriate.

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Virginia Chachati

Reviewed by Virginia Chachati MPharm
(2013, University College London)
GPhC Registration number: 2087654

Information last reviewed 07/02/21


What are Kwells?

Kwells are tablets which manage travel sickness. Motion sickness occurs when the brain is receiving conflicting messages about the body's spatial awareness, causing nausea and vomiting.

How do Kwells work?

Kwells is a type of medicine called an antimuscarinic. During motion sickness, organs in the inner ear send nerve signals to tell your brain your body is moving. These messages conflict with what the eyes say to the brain; that the body is stationary. The vomiting centre within the brain is activated, which causes nausea. Kwells helps to stop these signals. Kwells also prevents the stomach from receiving triggers from the vomiting centre in the brain.

How effective are Kwells?

Hyoscine is the active ingredient in Kwells tablets. Hyoscine is an effective treatment for travel sickness, also known as motion sickness. 

How long do Kwells take to work?

Kwells tablets will usually start to work 30 minutes after taking them.

Kwells summary


One tablet every six hours, no more than 3 tablets in 24 hours

Type of Medicine

Antiemetic tablet


Acts as a smooth muscle relaxant, preventing vomiting

Available Size

12, 24 or 36

Available Strengths


Active Ingredient

Hyoscine hydrobromide


From 35p per tablet

Side Effects

Can include dry mouth, dizziness, drowsiness, blurred vision decreased sweating, restlessness, confusion


Active ingredients

The active ingredient in Kwells is hyoscine hydrobromide. 

Inactive ingredients

The inactive ingredients in Kwells tablets are mannitol, potato starch, gelatine powder, aluminium stearate, saccharin sodium and ferric oxide.

Is Kwells gluten-free?

Kwells tablets are gluten-free. Kwells tablets also contain gelatine and may not be suitable for vegetarians or vegans.


How to take Kwells

Take one Kwells tablet 30 minutes before you are due to travel. Alternatively, you can take one tablet when you start to feel nauseous. You can take another tablet after six hours if needed, but do not take more than three tablets within 24 hours. The tablets can be chewed, dissolved or swallowed whole.

Kwells dosage

Kwells is available as 300microgram dose tablets and is taken up to three times a day. For children over ten years old, the starting dose is half a 300microgram tablet. 

Side Effects

Kwells side effects

The side effects of taking Kwells may include: 

  • Drowsiness
  • Dizziness
  • Dry mouth
  • Problems focusing
  • Blurry vision
  • Dilated pupils
  • Feeling confused
  • Restlessness
  • Problems urinating
  • Rash
  • Hallucinations

Drug interactions

If you are taking any other medications, always inform your doctor to ensure taking them in combination with Kwells is safe. If you take Kwells with the following medicines, you are more likely to experience drowsiness: 

  • Antipsychotics
  • Barbiturates
  • Antihistamines
  • Benzodiazepines 
  • Sleeping tablets
  • Opioid painkillers 
  • Tricyclic antidepressants


You should consult your doctor before taking Kwells in the following circumstances: 

  • If you are elderly
  • If you have Down's Syndrome
  • If you have problems with your heart or blood pressure 
  • If you have liver or kidney problems
  • If you have epilepsy
  • If you are experiencing constipation or diarrhoea
  • If you have a fever
  • If you have ulcerative colitis

Kwells and alcohol

You should avoid drinking alcohol while taking Kwells as this can increase feelings of sleepiness or drowsiness.

Kwells and driving

If you feel drowsy or dizzy after taking Kwells, you shouldn't drive until you can safely do so.

Kwells and pregnancy

You should seek advice from a doctor before using Kwells during pregnancy to ensure it's safe.

Can I take Kwells with other travel sickness treatments?

You should not use any additional medications for travel sickness while taking Kwells, due to the risk of overdose. Anti-sickness wrist bands may provide extra support alongside Kwells.

Do Kwells make you drowsy?

Drowsiness is one of the possible side effects of Kwells.

Are Kwells addictive?

Kwells tablets are not addictive.

Treatment Options

How to avoid travel sickness

There are several things you can do to ease and prevent travel sickness. Try to reduce the amount of movement your body experiences in a vehicle by sitting towards the front of a car or in the middle of a ferry. Ventilate the vehicle you are travelling in by opening the windows or getting fresh air outside. Focus on the horizon in front of you to reduce the feeling of movement. Avoid reading or looking at moving objects as this can make motion sickness worse. Focus on your breath to keep it calm and steady. Closing your eyes and eating ginger flavoured sweets can help settle your stomach.

Scopoderm Patches vs Kwells

Scopoderm Patches work in the same way as Kwells and contain the same ingredients. Scopoderm Patches may be ideal if you forget to take tablets regularly and are travelling for long periods.

What is the difference between Kwells and Avomine?

Avomine is an antihistamine which is a different type of medicine from Kwells. It can treat vomiting and nausea caused by other factors. Avomine is also an effective treatment for vertigo.


Can Kwells help nausea?

Kwells will help reduce nausea during travel, but any other types of nausea will need to be treated differently. Kwells works by intercepting the conflicting messages that the body sends to the brain, which cause motion sickness, so will not be effective for treating nausea caused by other factors.

Do Kwells work for all types of travel sickness?

Kwells works for travel sickness caused by any method of travel that results in motion sickness. These methods include sea, air or road travel. Some people may only experience travel sickness in certain circumstances, while others are more susceptible to nausea.

Can I take Kwells with over the counter travel sickness treatments?

You should use only one travel sickness medication at a time, as they may have negative interactions with each other. However, you can use compression bands for travel sickness alongside medication, if you choose. Please note, that travel sickness patches do contain medication, so should not be used in conjunction with other oral medication, unless directed to do so by your doctor.

What types of sickness are Kwells effective for?

Kwells tablets are effective in treating motion sickness, which occurs during travelling. Motion sickness can occur during travel by car, plane, bus, train or ferry.

Are Kwells available over the counter?

Kwells tablets are available to purchase over the counter at a pharmacy.

Are Kwells suitable for children?

Only children over ten years old can take half a Kwells tablet every six hours. Another brand of Kwells, made specifically for younger children, is Kwells Kids. 

Kwells Kids tablets are suitable for children aged four to ten years old. They are smaller tablets that can be sucked, chewed or swallowed.

Are Kwells preventative or do they treat travel sickness?

Kwells tablets work best as a preventative measure, but you can take Kwells as you feel travel sickness coming on. For best results, take a Kwells tablet 30 minutes before you are due to travel.

Are Kwells suitable for long term use?

Kwells is suitable to use as often as needed. Using Kwells during pregnancy must be discussed with a doctor and reviewed as required.

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