Skip to main content

What's the difference between Viekira Pak and Viekira XR?

Medically reviewed by Judith Stewart, BPharm. Last updated on March 31, 2025.

Official Answer by Drugs.com

Viekira 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.

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.

Viekira Pak is indicated for the treatment of adult patients with chronic hepatitis C virus (HCV)

Related medical questions

Drug information

Related support groups