What's the difference between Viekira Pak and Viekira XR?
Medically reviewed by Drugs.com. Last updated on Aug 25, 2019.
Official Answer
by Drugs.comViekira Pak contains two separate tablets co-packaged, and Viekira XR is a single fixed-dose combination tablet.
Viekira Pak and Viekira XR both contain the same four ingredient drugs for the treatment of adult patients with chronic hepatitis C virus (HCV) genotype 1 infection.
Viekira Pak
- ombitasvir, paritaprevir, ritonavir tablets co-packaged with dasabuvir tablets
Viekira XR
- ombitasvir, paritaprevir, ritonavir and dasabuvir extended release tablets
In May 2018, the FDA announced the discontinuation of Viekira XR with an estimated product availability through until January 1, 2019. The product discontinuation was voluntary.
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Drug Information
Related Support Groups
- Viekira XR
- Viekira Pak
- Hepatitis C (36 questions, 668 members)
