Ethynodiol diacetate and Ethinyl Estradiol and Viekira XR

• Generic Name: ethinyl estradiol / ethynodiol
• Dosage Forms: tablets
• Other Brand Names: Kelnor, Zovia 1/35, Zovia 1/50, Demulen 1/35, Demulen 1/50, Zovia 1/35e, Kelnor 1/50, Kelnor 1/35, Zovia 1/50e

Ethinyl estradiol and ethynodiol diacetate is a combination birth control pill containing female hormones that prevent ovulation (the release of an egg from an ovary). ethinyl estradiol and ethynodiol diacetate also causes changes in your cervical mucus and uterine lining, making it harder for sperm to reach the uterus and harder for a fertilized egg to attach to the uterus.

Ethinyl estradiol and ethynodiol diacetate is used to prevent pregnancy.

Ethinyl estradiol and ethynodiol diacetate may also be used for purposes not listed in this medication guide.

• 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.