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 is a combination drug that contains 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 is used as contraception to prevent pregnancy.
Ethinyl estradiol and ethynodiol diacetate may also be used for purposes not listed in this medication guide.
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What are the possible side effects of birth control pills (Kelnor, Zovia 1/35, Zovia 1/50)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop using birth control pills and call your doctor at once if you have a serious side effect such as:
Less serious side effects may include:
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is the most important information I should know about birth control pills (Kelnor, Zovia 1/35, Zovia 1/50)?
Do not use birth control pills if you are pregnant or if you have recently had a baby.
You should not take birth control pills if you have any of the following conditions: uncontrolled high blood pressure, heart disease, a blood-clotting disorder, circulation problems, diabetic problems with your eyes or kidneys, unusual vaginal bleeding, liver disease or liver cancer, severe migraine headaches, if you smoke and are over 35, or if you have ever had breast or uterine cancer, jaundice caused by birth control pills, a heart attack, a stroke, or a blood clot.
You may need to use back up birth control, such as condoms or a spermicide, when you first start using this medication or if you miss a dose. Follow your doctor's instructions.
Missing a pill increases your risk of becoming pregnant. Carefully follow the "missed dose" instructions if you forget to take your birth control pills.
Some drugs can make birth control pills less effective in preventing pregnancy, including antibiotics, hepatitis C medications, HIV/AIDS medications, seizure medications, or barbiturate sedatives. Tell your doctor about all other medications you use.
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.
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