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.

Zovirax Eye Ointment (Acyclovir)


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Generic Equivalent - Zovirax Eye Ointment (Acyclovir)

Prescription Required

3% 4.5g

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  • Product Details


    Zovirax Eye Ointment (Acyclovir) is an antiviral medication applied to the eyes. It works by blocking the growth and replication of the herpes simplex virus. This ointment allows the affected eye to heal by reducing the viral presence. However, Zovirax does not eradicate the virus from the body.

    You can buy Zovirax Eye Ointment with a prescription from your doctor. The price of the ointment may vary depending on the retailer and the quantity required for your specific treatment plan. 

    Fact Table




    US DailyMed, US FDA


    15–20% (by mouth)

    Legal status


    Chemical Name


    Elimination half-life

    2–4 hours

    Dosage (Strength)

    200mg, 800mg, 200mg Dispersible, 400mg Dispersible


    Consult Doctor



    Protein binding


    PubChem CID






    ATC code






    Routes of administration



    First, wash your hands thoroughly to avoid any contamination. Next, gently pull down your lower eyelid to create a small pocket between the eyelid and the eyeball. Squeeze a thin ribbon of ointment into the pocket, taking care not to touch the tip against any surface. After applying, close your eyes for 1 to 2 minutes, allowing the ointment to distribute evenly across the eye. If there is any excess ointment, gently wipe it away with a clean tissue. 

    Make sure to close the ointment tube tightly after use. Additionally, it's important to use the ointment as soon as you notice any symptoms of herpes infection to maximize its effectiveness. Avoid wearing contact lenses while using the ointment. 

    The standard dosage and frequency of application might vary depending on the severity of the infection and your doctor's prescription. This medicine is for ophthalmic use only and should not be used for other purposes or on other areas of the body.


    Zovirax Eye Ointment contains the active ingredient acyclovir.


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

    • You are allergic to acyclovir, valacyclovir, or any ingredients of the ointment.
    • Zovirax eye ointment should not be used if its packaging appears tampered with or damaged, as product safety may be compromised.
    • Zovirax eye ointment use is not recommended beyond its printed expiration date. Past this date, its effectiveness cannot be guaranteed.
    • It's advised not to use Zovirax eye ointment more than 28 days after it was first opened, as it may not retain its sterility and effectiveness beyond this period.
    • If there are any doubts about your suitability to use Zovirax eye ointment, consult with your healthcare provider or pharmacist for professional advice.


    • Before you start using Zovirax Eye Ointment, inform your doctor about the following:
      • Any medications you currently take
      • Your medical history, including any eye or vision issues
      • If you are pregnant, planning to become pregnant, or breastfeeding
      • Any known allergies or sensitivities to the ingredients in the ointment
    • Following usage, you may experience a temporary obscuring of sight, lasting between 5 to 10 minutes. Avoid activities like driving or using heavy machinery until your vision returns to normal.
    • Should your symptoms deteriorate instead of improving, promptly consult a medical professional such as a doctor or pharmacist.
    • Refrain from sharing Zovirax eye ointment with others, even if they experience similar symptoms to yours.
    • Store the Zovirax eye ointment in a location that remains cool and free of moisture, ensuring the temperature remains under 25°C.
    • Avoid keeping Zovirax eye ointment, or any other medication, in places like bathrooms, near sinks, inside vehicles, or on window ledges, as exposure to heat and moisture may render the medication ineffective.
    • Place Zovirax eye ointment in an area that is inaccessible to young children.

    Side Effects

    Zovirax Eye Ointment may cause some side effects in people. The most common side effects include redness, swelling, or irritation of the eyelid. Others may experience a burning sensation, stinging of the skin, mild local discomfort, and mild pain in the eye. These side effects are generally mild and can be managed with appropriate care.

    However, in rare cases, some patients may experience serious side effects. These can include skin rash and severe swelling of the face, lips, or eyelids. Consult a healthcare professional immediately if you experience any serious side effects.


    Zovirax (Acyclovir) Consumer Medicine Information. MIMS; 2012.

    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 : 12411

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