Cobicistat, elvitegravir, emtricitabine, and tenofovir and Demulen 1/35

• Generic Name: cobicistat / elvitegravir / emtricitabine / tenofovir
• Dosage Forms: n.a.
• Other Brand Names: Genvoya, Stribild

Cobicistat reduces the action of enzymes in your liver that break down certain antiviral medicines. This allows the antiviral medicines to be used more safely and effectively at lower doses.

Elvitegravir, emtricitabine and tenofovir are antiviral medicines that prevent human immunodeficiency virus (HIV) from multiplying in your body. HIV can cause acquired immunodeficiency syndrome (AIDS).

Cobicistat, elvitegravir, emtricitabine, and tenofovir is a combination medicine used to treat HIV in adults and children who are at least 12 years old and who weigh at least 55 pounds (25 kilograms). cobicistat, elvitegravir, emtricitabine, and tenofovir is not a cure for HIV or AIDS.

Cobicistat, elvitegravir, emtricitabine, and tenofovir may also be used for purposes not listed in this medication guide.

• Generic Name: ethinyl estradiol / ethynodiol
• Dosage Forms: n.a.
• 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 combination is used to prevent pregnancy. It is a birth control pill that contains two types of hormones, ethinyl estradiol and ethynodiol diacetate, and when taken properly, prevents pregnancy. It works by stopping a woman's egg from fully developing each month. The egg can no longer accept a sperm and fertilization (pregnancy) is prevented.

No contraceptive method is 100 percent effective. Birth control methods such as having surgery to become sterile or not having sex are more effective than birth control pills. Discuss your options for birth control with your doctor.

This medicine does not prevent HIV infection or other sexually transmitted diseases. It will not help as emergency contraception, such as after unprotected sexual contact.

This medicine is available only with your doctor's prescription.