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.

Pazeo (Olopatadine)


Pazeo (Olopatadine)

Prescription Required

0.7% 2.5ml

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  • Product Details


    Pazeo may be prescribed by your doctor to treat a few different conditions of the eye. They can be used for the treatment of allergic conjunctivitis, which includes itching and redness of the eye.

    Pazeo eye drops include the antihistamine Panadol, which works by blocking histamine receptors in the eye, preventing redness and itching.

    Redness and itching can be caused by a number of different conditions, including viral infection, bacterial infection, and hair and dust.

    If your symptoms last for longer than a few days, please go to your eye doctor.

    Fact Table







    Legal status

    Rx-only /OTC

    Chemical Name


    Elimination half-life

    3 hours

    Dosage (Strength)



    Consult Doctor



    Protein binding


    PubChem CID






    ATC code






    Routes of administration

    Eye drops, nasal spray


    The standard directions are to instill one drop in the affected eye once daily as directed.


    The active ingredient in Pazeo is olopatadine.


    There are no known drug-drug interactions between this medication and others. Eye drops are not typically absorbed into the bloodstream.


    Do not touch the tip of the eye to the eyedropper as it can contaminate the dropper and lead to an eye infection.

    Do not administer Pazeo at the same time as other eye drops because it can flush out the medication and prevent the absorption of one or both of the medications.

    Side Effects

    The most common adverse reactions to Pazeo include the following:

    • Abnormal sensation in eyes
    • Back pain
    • Blurred vision
    • Burning sensation of the eyes
    • Cold symptoms
    • Conjunctivitis
    • Cough
    • Dry eye syndrome
    • Dysgeusia
    • Eye
    • Eye pain
    • Eyelid edema
    • Flu-like symptoms
    • Foreign body sensation
    • Headache
    • Hyperemia
    • Hypersensitivity
    • Infection
    • Keratitis
    • Nausea
    • Pharyngitis
    • Pruritus
    • Rhinitis
    • Sinusitis
    • Stinging of the eyes
    • Superficial punctate keratitis
    • Weakness

    Tell your doctor or pharmacist if you are experiencing any of the above side effects.


    Pazeo. Fort Worth, TX: Alcon Labs; 2015.

    Frequently Asked Questions about Pazeo

    What is Pazeo?

    Pazeo is a prescription eye drop medication that contains the active ingredient olopatadine. It is used to relieve eye itching associated with allergic conjunctivitis, which is a condition caused by allergies.

    How does Pazeo work?

    Pazeo works by blocking histamine receptors in the eyes. Histamine is a chemical released by the body during an allergic reaction, and it can cause symptoms like itching, redness, and swelling. By blocking histamine receptors, Pazeo helps to alleviate these symptoms.

    Is Pazeo available over the counter?

    No, Pazeo is not available over the counter. It is a prescription medication, which means you need a doctor's prescription to obtain it.

    How do I use Pazeo eye drops?

    Pazeo eye drops are typically used as directed by your healthcare provider. The usual dosage is one drop in each affected eye, once daily. It's important to follow your doctor's instructions and not to use more than the recommended dose.

    When should I use Pazeo?

    Pazeo is usually used on a daily basis, even when you don't have symptoms, to prevent itching associated with allergic conjunctivitis. However, you should always follow your doctor's specific instructions regarding when and how to use it.

    Can I wear contact lenses while using Pazeo?

    You should consult your eye doctor regarding the use of Pazeo while wearing contact lenses. In some cases, you may be advised to remove your contact lenses before using Pazeo and wait at least 10 minutes before reinserting them.

    Are there any side effects associated with Pazeo?

    Like all medications, Pazeo can cause side effects. Common side effects may include mild burning or stinging in the eyes, dry eyes, headache, and a bitter taste in the mouth. If you experience severe eye pain, vision changes, or signs of an allergic reaction, seek medical attention immediately.

    Can children use Pazeo?

    Pazeo is approved for use in children who are 2 years of age and older. However, the dosage and use should be determined by a healthcare provider, so consult with a pediatrician for proper guidance.

    Is Pazeo safe during pregnancy or while breastfeeding?

    It is important to discuss the use of Pazeo with your healthcare provider if you are pregnant, planning to become pregnant, or breastfeeding. They can help weigh the potential benefits against any potential risks.

    How should I store Pazeo eye drops?

    Pazeo should be stored at room temperature, away from direct sunlight and moisture. Keep the bottle tightly closed when not in use, and make sure it is out of the reach of children.

    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 : 13587

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