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.

Antivert (Meclizine)


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Generic Equivalent - Antivert (Meclizine)

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  • Product Details


    Antivert (meclizine hydrochloride) is a medication belonging to the class of drugs called antihistamines. Your doctor may prescribe it to treat symptoms associated with vertigo and motion sickness, such as nausea, dizziness, and vomiting.

    Antihistamines block the release of histamine, a natural substance that can cause inflammation and allergic reactions. Antivert is available in tablet and chewable forms.

    Fact Table




    US DailyMed



    Legal status


    Chemical Name


    Elimination half-life

    6 hours

    Dosage (Strength)



    Consult Doctor



    Protein binding


    PubChem CID






    ATC code






    Routes of administration

    By mouth


    Antivert should be taken exactly as prescribed by a doctor or healthcare professional, and it can cause excessive drowsiness if taken incorrectly.

    The typical dose for adults is 12.5-25 mg every eight hours as needed, but the dosage may vary depending on the severity of symptoms and individual response.

    The medication should be taken with a full glass of water and can be taken with or without food. It is important to avoid taking the drug for longer than prescribed.


    The active ingredient in Antivert is meclizine hydrochloride.


    Common drug-drug interactions may include:

    • Aclidinium
    • Azelastine (Nasal)
    • Benzylpenicilloyl Polylysine
    • Blonanserin
    • Bromperidol
    • Buprenorphine
    • Chlormethiazole
    • Cimetropium
    • Clozapine
    • Daridorexant
    • Dexmedetomidine
    • Droperidol
    • Eluxadoline
    • Flunarizine
    • Flunitrazepam
    • Glycopyrrolate (Inhalation)
    • Glycopyrronium (Topical)
    • Hydroxyzine
    • Ipratropium (Oral Inhalation)
    • Kratom
    • Lemborexant
    • Levosulpiride
    • Methotrimeprazine
    • Olopatadine (Nasal)
    • Opioids
    • Orphenadrine
    • Oxatomide
    • Oxybate Salt Products
    • Paraldehyde
    • Pitolisant
    • Potassium Chloride
    • Pramlintide
    • Revefenacin
    • Ropeginterferon Alfa-2b
    • Suvorexant
    • Thalidomide
    • Tiotropium
    • Umeclidinium
    • Zolpidem


    Antivert may cause drowsiness or dizziness, so you may need to avoid activities that require alertness, such as driving or operating heavy machinery.

    Do not take Antivert if you are allergic to meclizine.

    Antivert should not be used by pregnant or breastfeeding women without first consulting with your doctor.

    Antivert should be used cautiously in individuals with glaucoma, enlarged prostate, liver or kidney disease, or a history of seizures.

    Side Effects

    The most common adverse reactions may include:

    • Anaphylaxis
    • Blurred vision
    • Dizziness
    • Drowsiness
    • Fatigue
    • Headache
    • Memory impairment
    • Urinary retention
    • Vomiting
    • Xerostomia


    1. Antivert [package insert]. East Brunswick, NJ: Casper; 2019.

    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 : 9605

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