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.

Besivance (besifloxacin) Ophthalmic Suspension


Besivance (besifloxacin) Ophthalmic Suspension

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  • Product Details


    What is Besivance?

    • Besivance (Besifloxacin) ophthalmic suspension is an antibiotic belonging to the fluoroquinolone class. It is used to treat bacterial infections of the eye.

    How does it work?

    • Besivance eye drops work by disrupting the genetic replication of bacteria.

    How is it supplied?

    • You can buy Besivance online as a 0.6% 5mL bottle.

    How should I store it?

    • Store your Besivance at room temperature and keep it out of reach of children.


    Are there any special instructions?

    • Click here to watch an instructional video about using eye drops.
    • Avoid contaminating the tip of the eyedrop bottle.
    • Replace the cap after each use.

    What is the usual dose?

    • Instill one drop into the affected eye(s) three times per day for seven days.


    What is the active ingredient in Besivance?

    • Besifloxacin

    What are the inactive ingredients?

    • For a complete list of inactive ingredients, click here or check the product packaging.


    • The product labeling does not list any drug interactions. Ask your doctor or pharmacist about any medications you take.
    Fact Table
    Formula C19H21ClFN3O3
    License US: FDA
    Routes of administration Ophthalmic
    Legal status Rx Only
    Chemical Name besifloxacin
    Elimination half-life 7 hours
    Dosage (Strength) 0.60%
    Pregnancy Not yet classified
    Brands Besivance
    Protein binding -
    PubChem CID 10178705
    MedlinePlus a610011
    ChEBI 135622
    ATC code S01AE08
    DrugBank DB06771
    KEGG D08872
    Bioavailability -


    Who should avoid taking Besivance?

    • Do not use Besivance if you have a known allergy to any of the ingredients.

    What are the risks?

    • If you are pregnant, breastfeeding, or considering becoming pregnant, talk to your doctor about the risks of using Besivance.
    • Prolonged use of Besivance could lead to treatment-resistant organisms.
    • You should not wear your contact lenses if you have signs and symptoms of bacterial conjunctivitis or while you use Besivance.

    Side Effects

    What are the possible side effects of Besivance?

    • Conjunctival redness
    • Blurred vision
    • Eye pain
    • Eye irritation
    • Eye itching
    • Headache

    Other Considerations

    • Compare our Besivance cost with your local drug store.


    1. DailyMed - search results for besivance. (2020). Retrieved May 22, 2020.
    2. Methods for Instilling Eye Drops. (2016). Retrieved April 15, 2020.

    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 : 11609

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