Medications and Drugs
Brand Names: Kelnor, Zovia 1/35, Zovia 1/50
Generic Name: ethinyl estradiol and ethynodiol diacetate (Pronunciation: ETH in ill ESS tra DYE ol and ETH in o DYE ol dye AS e tate)
What is ethinyl estradiol and ethynodiol diacetate (Kelnor, Zovia 1/35, Zovia 1/50)?
Ethinyl estradiol and ethynodiol diacetate contains a combination of female hormones that prevent ovulation (the release of an egg from an ovary). This medication 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 may also be used for other purposes not listed in this medication guide.
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What are the possible side effects of ethinyl estradiol and ethynodiol diacetate (Kelnor, Zovia 1/35, Zovia 1/50)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using this medication and call your doctor at once if you have any of these serious side effects:
Less serious side effects may include:
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.
What is the most important information I should know about ethinyl estradiol and ethynodiol diacetate (Kelnor, Zovia 1/35, Zovia 1/50)?
Do not use this medication if you are pregnant or if you have recently had a baby or if you have any of the following conditions: a history of stroke or blood clot, circulation problems, a hormone-related cancer such as breast or uterine cancer, abnormal vaginal bleeding, liver disease or liver cancer, or a history of jaundice caused by birth control pills.
You may need to use back-up birth control, such as condoms or a spermicide, when you first start using this medication. Follow your doctor's instructions.
Some drugs can make birth control pills less effective, which may result in pregnancy. Tell your doctor about all the prescription and over-the-counter medications you use, including vitamins, minerals and herbal products. Do not start using a new medication without telling your doctor.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Need help identifying pills and medications?
Women's Health Resources
- Symptoms of a Severe Allergic Reaction
- Breast Cancer Treatment Options
- Is Your Body Ready for Pregnancy?