Viekira Pak
Generic name:dasabuvir, ombitasvir, paritaprevir, and ritonavir [ da-SAB-ue-vir, om-BIT-as-vir, PAR-i-TAP-re-vir, and-rye-TON-a-vir ]
Brand names: Viekira Pak, Viekira XR
Drug class:Antiviral combinations
What is Viekira Pak (Viekira)?
Viekira Pak (Viekira) is a combination antiviral medicine used to treat chronic hepatitis C virus (HCV) in adults. Viekira is sometimes given in combination with another antiviral medicine called ribavirin.
Viekira treats specific genotypes of hepatitis C, and only in certain people. Use only the medications prescribed for you. Do not share your medicine with other people.
Viekira is sometimes used in people who also have HIV. Viekira Pak is not a treatment for HIV or AIDS.
Viekira may also be used for purposes not listed in this medication guide.
Warnings
If you have ever had hepatitis B, Viekira can cause this condition to come back or get worse. You will need frequent blood tests to check your liver function.
Before you start taking Viekira, you must stop using certain birth control pills or hormone replacement medicines. Ask your doctor about using non-hormonal birth control to prevent pregnancy.
Before taking this medicine
You should not use Viekira if you are allergic to dasabuvir, ombitasvir, paritaprevir, or ritonavir, or if:
you have moderate to severe liver disease; or
you have ever had a severe skin rash after taking ritonavir (Norvir).
If you take Viekira with ribavirin: There may be other reasons you should not take this combination treatment. Tell your doctor about all your medical conditions.
Many drugs can interact and cause dangerous effects. Some drugs should not be used together with Viekira. Your doctor may change your treatment plan if you also use:
apalutamide;
