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)


Kwells (Hyoscine hydrobromide)


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  • Product Details


    Kwells (Hyoscine hydrobromide) is a medication used to prevent and control motion sickness. It belongs to a group of medicines called anticholinergics or antimuscarinics. Hyoscine hydrobromide works in the inner ear and the brain to block nerve signals involved in nausea and vomiting. This medicine is commonly used by individuals during travel to help manage symptoms of motion sickness such as nausea, dizziness, 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 in adults is one 300 mcg tablet every six hours if needed. The maximum dosage is three tablets every 24 hours. In children over 10 years old, the 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 first Hyoscine hydrobromide dose should be taken 30 minutes before the start of the journey or at the onset of nausea. Read the information provided with your medicine and consult your healthcare provider for specific dosing instructions.


    Kwells tablets contain the active ingredient hyoscine hydrobromide.


    Avoid taking Kwells if any of the following apply to your health:

    • Allergic to hyoscine hydrobromide or any of the other ingredients in the medication
    • Glaucoma or a history of increased eye pressure
    • Myasthenia gravis, a condition that causes muscle weakness
    • Intestinal obstruction or a history of bowel problems
    • Difficulty urinating due to an enlarged prostate


    • Before taking Kwells, make sure to inform your doctor about the following:
      • Your current medications, including prescription, over-the-counter, and herbal supplements
      • Any known allergies or sensitivities to hyoscine hydrobromide or other components of the product
      • Existing medical conditions, particularly if you have a fever or are prone to hyperthermia
    • Elderly individuals and patients already under medical care, especially those at risk of acute urinary retention, with heart, digestive, liver, kidney diseases, or living with CNS disorders like seizures should consult their healthcare provider before starting Kwells.
    • If you have ulcerative colitis, Kwells might lead to stomach complications. Proceed with caution.
    • Individuals with Down's Syndrome should be particularly cautious while considering Kwells.
    • If you experience frequent diarrhea, discuss it with your healthcare provider before taking Kwells.
    • There's an increased risk of hyperthermia, especially in high temperatures due to decreased sweating. Be cautious if you have a fever or are exposed to warm climates.
    • Avoid combining Kwells with other medications having anticholinergic properties such as amantadine, certain antihistamines, phenothiazine antipsychotics, and tricyclic antidepressants.
    • Combining Kwells with MAOIs might increase the risk of side effects because of effects on certain enzymes.
    • The sedative effects might increase when taken with alcohol or CNS depressants.
    • Kwells can affect how some other medicines work and are absorbed, due to its effects on the digestive system.
    • The effects of domperidone and metoclopramide on gastrointestinal activity might be countered.
    • Due to dry mouth effects, this medication may reduce the effectiveness of sublingual nitrate tablets.
    • The safety during pregnancy is yet to be established. Use, especially during the first trimester, should only be considered if the benefits outweigh the potential risks to the fetus.
    • If lactating, be cautious as small amounts might pass into breast milk.
    • Kwells may induce drowsiness. If you feel affected, refrain from driving or handling heavy machinery.

    Remember to discuss all potential risks and benefits with your healthcare provider before beginning any medication.

    Side Effects

    Kwells may cause side effects in some users. Common side effects may include dizziness, sleepiness, dry mouth, blurred vision, and decreased sweating. In addition, Kwells may cause confusion, hallucinations, and restlessness in some people.

    Some individuals using Kwells may experience more serious side effects, such as allergic reactions and seizures. If you or someone you know has an eye condition called glaucoma, high blood pressure, a fast heart rate, other heart problems, liver, kidney or prostate gland issues, epilepsy, a muscle weakness condition called myasthenia gravis, or Down's syndrome, it's important to consult with a healthcare professional before using Kwells. In case serious side effects occur, seek medical assistance 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.

    Product Code : 13850

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