Drugs A - Z
Ethinyl Estradiol, Levonorgestrel Oral tablet [Emergency Contraception]
A contraceptive - It prevents pregnancy if taken within the 72 hours after unprotected sex
Generic Name: ethinyl estradiol-levonorgestrel | Brand Name: Aviane
Brand Names:
LoSeasonique, Aviane, Triphasil-21, Sronyx, Alesse, Levora, Lutera, Triphasil-28, Preven EC, Portia, See more brands »
There is an FDA Alert for this drug.
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What is this medicine?
ETHINYL ESTRADIOL; LEVONORGESTREL (ETH in il es tra DYE ole; LEE voh nor jes trel) is an emergency contraceptive (birth control pill). It prevents pregnancy if taken within the 72 hours after unprotected sex. This medicine will not work if you are already pregnant.NOTE: This product is discontinued in the United States.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
What should I tell my health care provider before I take this medicine?
They need to know if you have or ever had any of these conditions:- blood vessel disease or blood clots
- blood sugar problems, like diabetes
- cancer of the breast, cervix, ovary, uterus, vagina, or unusual vaginal bleeding
- fibroids
- gallbladder disease
- heart disease or recent heart attack
- high blood pressure
- liver disease
- menstrual problems
- migraine headaches
- tobacco smoker
- stroke
- an unusual or allergic reaction to estrogens, progestins, other medicines, foods, dyes, or preservatives
- pregnant or trying to get pregnant
- breast-feeding
How should I use this medicine?
Take ethinyl estradiol; levonorgestrel pills by mouth. Follow the instructions provided by your health care provider exactly. Your doctor may want you to use a quick-response pregnancy test prior to using the tablets. Take the first dose as soon as you can after having unprotected sex, preferably in the first 24 hours, but no later than 72 hours (3 days) after the event. You MUST take the second dose 12 hours after you take the first dose. Do not take any extra pills. Extra pills will not decrease your risk of pregnancy, but may increase your risk of side effects.Contact your pediatrician regarding the use of this medicine in children. Special care may be needed. This medicine has been used in female children who have started having menstrual periods.
A patient information sheet will be given with each prescription. Read this sheet carefully.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
What if I miss a dose?
If you miss a dose or vomit within 1 hour of taking your dose, you MUST contact your health care professional for instructions.What may interact with this medicine?
- antibiotics or medicines for infections, especially rifampin, rifabutin, rifapentine, and griseofulvin, and possibly penicillins or tetracyclines
- aprepitant
- barbiturate medicines, such as phenobarbital
- bosentan
- carbamazepine
- felbamate
- modafinil
- oxcarbazepine
- phenytoin
- ritonavir or other medicines for HIV infection or AIDS
- St. John's wort
- topiramate
- warfarin
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
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