Levoleucovorin Intravenous and Viekira XR

• Generic Name: levoleucovorin
• Dosage Forms: n.a.
• Other Brand Names: Fusilev, Khapzory

Levoleucovorin injection is used as an antidote to the harmful effects of methotrexate (a cancer medicine) that is given in high doses in patients with bone cancer (osteosarcoma). It is also used to treat overdosage of certain medicines. Levoleucovorin acts the same way in the body as folic acid (vitamin B9).

Levoleucovorin injection is also used in combination with 5-fluorouracil (Adrucil®) to relieve and prevent symptoms of patients with advanced metastatic (cancer that has already spread) cancer of the colon and rectum.

Levoleucovorin is to be given only by or under the direct supervision of a doctor.

• Generic Name: dasabuvir / ombitasvir / paritaprevir / ritonavir
• Dosage Forms: extended release tablets
• Other Brand Names: Viekira Pak, Viekira XR

Viekira XR (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 XR is not a treatment for HIV or AIDS.

Viekira may also be used for purposes not listed in this medication guide.