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Kwells (Hyoscine hydrobromide)


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Example: If you find a product on Canada Drugs Direct for $50.00 and find the same product for $40.00 at another mail order pharmacy, we will provide you with a $12.50 discount, bringing your total to $37.50.

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What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.


Kwells (Hyoscine hydrobromide) is an anticholinergic medicine used to prevent and treat motion sickness. It works by blocking nerve signals in the inner ear and brain that control vomiting and nausea. Kwells is typically recommended for individuals who experience motion sickness during travel and are prone to symptoms like dizziness, nausea, and vomiting.

Fact Table




US DailyMed



Legal status

Non Prescription Medications

Chemical Name

Hyoscine hydrobromide

Elimination half-life

4.5 hours

Dosage (Strength)



Consult Doctor



Protein binding


PubChem CID






ATC code






Routes of administration



The standard dosage of Kwells varies depending on the age of the individual. The usual recommended dosage of Kwells in adults is one 300 mcg tablet every six hours as needed, not to exceed three tablets in 24 hours. For children, the usual dosage is one-half to one tablet every six hours as needed, not to exceed one and one-half to three tablets in 24 hours.

The tablet should be taken 30 minutes before travel to allow the medication to take effect. If necessary, the tablet can also be taken during the journey if symptoms start to appear. Follow the directions provided with the medication, as well as any instructions given by a healthcare professional.


Kwells tablets contain the active ingredient Hyoscine hydrobromide. These tablets may also contain inactive ingredients that serve as excipients to improve the tablet's stability and efficacy. Consult the product's leaflet for a complete list of ingredients and to ensure there are no known allergies or interactions with other medications.


Avoid taking or using this medication if any of the following apply:

  • You have a history of allergy to Hyoscine hydrobromide or any of the other ingredients in Kwells
  • You have glaucoma (an eye condition that causes increased pressure within the eyeball)
  • You have a blockage in the gastrointestinal tract
  • You have severe muscle weakness (myasthenia gravis)
  • You have difficulty urinating due to an enlarged prostate gland


  • Before taking Kwells, inform your healthcare provider about:
    • Any medications you currently take, especially antidepressants, antipsychotics, and antihistamines
    • Any existing medical conditions, like glaucoma, kidney problems, or bowel obstruction
    • If you are pregnant, breastfeeding, or planning either, as Kwells may pose risks to the unborn child or the nursing infant
  • Before beginning Kwells, those who are elderly or already have medical conditions, including urinary retention, heart, digestive, liver, kidney, or CNS disorders like seizures, should consult a medical professional.
  • Those with ulcerative colitis should use Kwells cautiously as it may lead to complications in the digestive tract.
  • Individuals with Down's syndrome may need extra caution when thinking about Kwells.
  • If you often have diarrhea, consult your medical professional before using Kwells.
  • There's an increased risk of hyperthermia, particularly in hot conditions due to reduced sweating. Be cautious if you have a fever or are in hot environments.
  • It's best to avoid mixing Kwells with drugs that have anticholinergic effects like amantadine, some antihistamines, phenothiazine antipsychotics, and certain antidepressants.
  • Consuming Kwells alongside alcohol or CNS depressants might increase sedative side effects.
  • Kwells may influence how other drugs are absorbed due to its impact on gastric movements.
  • The effectiveness of sublingual nitrate tablets may be reduced due to the dry mouth effects of Kwells.
  • Kwells might cause drowsiness. If you experience drowsiness, avoid tasks like driving or operating heavy equipment.

Always consult your medical professional to weigh the risks and advantages before starting any medication.

Side Effects

Kwells may cause certain side effects. Common side effects may include drowsiness, dry mouth, blurred vision, dizziness, and decreased sweating. Other side effects may include hallucinations, confusion, and restlessness.

In some cases, Kwells can cause more serious side effects, such as seizures and allergic reactions. Seek immediate medical attention if you experience signs or symptoms of an allergic reaction, such as rash, itching, coughing, swelling, or trouble breathing. If you experience other serious side effects, consult a healthcare professional immediately.


  1. Kwells (Hyoscine hydrobromide) Summary of Product Characteristics. Northamptonshire, UK: Dexcel Pharma Ltd; 2020.
  2. Kwells (Hyoscine hydrobromide) Patient Information Leaflet. Northamptonshire, UK: Dexcel Pharma Ltd; 2022.

IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.

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