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.

Descovy (Emtricitabine / Tenofovir)


Descovy (Emtricitabine / Tenofovir)

Prescription Required

200mg / 10mg
200mg / 25mg

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  • Product Details


    Descovy is an antiviral medication primarily used to treat HIV (human immunodeficiency virus) infection. It can also be used when a person is co-infected with both HIV and hepatitis B.

    Descovy should only be prescribed by healthcare providers specifically trained in the management of HIV infection.

    The active drugs in Descovy work by incorporating into the DNA of the HIV viruses. By doing so, they prevent the replication of the viruses. The immune system is then able to contain the infection better.

    Descovy is typically a long-term medication that suppresses active HIV infection.


    The usual dosage is one tablet of Descovy once daily. Take it exactly as prescribed by your doctor. 

    Descovy should be taken in combination with other antiviral agents.


    Descovy contains two active ingredients: tenofovir alafenamide 200 mg and emtricitabine 25 mg.


    Descovy has many potential drug-drug interactions, including:

    • Acyclovir-Valacyclovir
    • Adefovir
    • Aminoglycosides
    • Cabozantinib
    • Carbamazepine
    • Cidofovir
    • Cladribine
    • Cobicistat
    • Fosphenytoin-Phenytoin
    • Ganciclovir-Valganciclovir
    • Nonsteroidal Anti-Inflammatory Drugs
    • Orlistat
    • Oxcarbazepine
    • Phenobarbital
    • Primidone
    • Rifabutin
    • Rifampin
    • Rifapentine
    • Ritonavir
    • St John's Wort
    • Tipranavir

    Tell your doctor and pharmacist about all medications you are taking before starting Descovy. Drug-drug interactions can be severe and may impact how well Descovy works.


    Missing dosing of Descovy may increase the risk of viral resistance. It may also increase the risk of hepatitis B exacerbation in people with a history of hepatitis B infection.

    Use caution if you have a history of liver problems or lactic acidosis.

    Use caution if you have a history of kidney problems.

    Side Effects

    Common Descovy side effects may include:

    • Abdominal pain
    • Decreased bone mineral density
    • Exacerbation of hepatitis B
    • Fanconi's syndrome
    • Fatigue
    • Headache
    • Increased serum triglycerides
    • Proximal tubular nephropathy
    • Skin rash urticaria


    Descovy [package insert]. Foster City, CA: Gilead; 2021.

    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 : 13220

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