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.

Grifulvin V (Griseofulvin)

Also Known as Grisovin


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Generic Equivalent - Grifulvin V (Griseofulvin)

Prescription Required


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  • Product Details


    Grifulvin V is a prescription medication used to treat dermatophyte infections, a type of fungal infection of the skin. Other terms for this condition include dermatophytosis or tinea, which affect the nails, hair, and skin.

    Symptoms of dermatophyte infection depend on where they are located and can include rashes, scaling, and itching.

    Grifulvin V works by stopping the growth and replication of fungal cells. Grifulvin V also binds to keratin in human skin, making it resistant to fungal infection.

    Fact Table




    US FDA


    25 to 70%

    Legal status


    Chemical Name


    Elimination half-life

    9–21 hours

    Dosage (Strength)



    Consult Doctor


    Gris-peg, Grifulvin V

    Protein binding


    PubChem CID






    ATC code






    Routes of administration

    By mouth


    The standard dosage is 500 mg in single or divided doses. Your doctor may increase the dose to 750-1000 mg per day if needed for widespread infections.


    The active ingredient and name for Grifulvin V generic is griseofulvin.


    Common drug-drug interactions with this medication may include:

    • Alcohol 
    • Aminolevulinic Acid
    • Barbiturates
    • Carbocisteine
    • Cyclosporine
    • Hormonal contraceptives
    • Saccharomyces boulardii
    • Warfarin

    Tell your healthcare team if you are taking any of the above medications before starting Grifulvin V.


    Tell your doctor if you have a history of blood disorders. Grifulvin V has been rarely reported to cause leukopenia.

    Use caution if you have a history of liver problems before taking this medication.

    If you have a history of allergic reactions to penicillin, use caution before taking Grifulvin V.

    Wear sunscreen while taking this medication because it can increase the sensitivity to the sun.

    Call your doctor immediately if you have a skin reaction after starting this drug.

    Side Effects

    Grifulvin V side effects may include:

    • Angioedema
    • Confusion
    • Dermatologic reaction
    • Diarrhea
    • Dizziness
    • Epigastric distress
    • Fatigue
    • Gastrointestinal hemorrhage
    • Granulocytopenia
    • Headache
    • Hepatotoxicity
    • Increased liver enzymes
    • Increased serum bilirubin
    • Insomnia
    • Nausea
    • Nephrosis
    • Oral candidiasis
    • Paresthesia
    • Skin photosensitivity
    • Skin rash
    • Toxic epidermal necrolysis
    • Urticaria
    • Vomiting


    1. Grifulvin V [package insert]. Los Angeles, CA: Ortho Dermatologics; 2011.

    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 : 2769

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