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.

Viekira (Ombitasvir/Paritaprevir/Ritonavir)


Viekira (Ombitasvir/Paritaprevir/Ritonavir)


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Prescription Required

  • Product Details


    How Supplied: Monthly carton—4 x 7 daily dose packs


    Active ingredients: ombitasvir, paritaprevir, and ritonavir Inactive ingredients: copovidone, K value 28, vitamin E polyethylene glycol succinate, propylene glycol monolaurate Type I, sorbitan monolaurate, colloidal silicon dioxide/colloidal anhydrous silica, sodium stearyl fumarate, polyvinyl alcohol, polyethylene ...


    Contraindications: Moderate-to-severe hepatic impairment. Concomitant alfuzosin, ranolazine, dronedarone, colchicine (in renal and/or hepatic impairment), carbamazepine, phenytoin, phenobarbital, gemfibrozil, rifampin, lurasidone, pimozide, ergot derivatives, ethinyl estradiol, cisapride, St. John’s Wort, atorvastatin, lovastatin, simvastatin, everolimus, sirolimus, tacrolimus, efavirenz, sildenafil (as Revatio), triazolam, oral midazolam. When coadministered with ribavirin, its contraindications also apply to this combination regimen (eg, Pregnancy Cat.X).

    Side Effects

    Fatigue, nausea, pruritus, other skin reactions, insomnia, asthenia.

    Product Code : 13254

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