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(ulipristal acetate) Tablets

Read this Patient Information Leaflet before you take ella. There may be new information. This information does not take the place of talking to your healthcare provider about your medical condition or treatment.

What is ella?

ella is a prescription emergency contraceptive that reduces your chance of becoming pregnant if your birth control fails or you have unprotected sex.

ella should not be used as your regular birth control. It is very important that you have a reliable form of birth control that is right for you.

ella will not protect you against HIV infection (AIDS) and other sexually transmitted diseases (STDs).

Who should not take ella?

  • Do not take ella if you know or suspect you are already pregnant. ella is not for use to end an existing pregnancy. Talk to your healthcare provider before taking ella if you think you are pregnant.
  • Do not take ella if you are breastfeeding because ella gets into the breast milk.

What should I tell my healthcare provider before taking ella?

See “Who should not take ella?”

Tell your healthcare provider about all the medicines you take, including prescription and nonprescription medicines, vitamins, and herbal supplements.

Using some other medicines may make ella less effective. These include St. John's Wort, phenytoin, rifampin, phenobarbital and carbamazepine. Talk to your healthcare provider about whether ella is right for you if you are currently using these medications. Know the medicines you take. Keep a list of them to show your healthcare provider and pharmacist when you get a new medicine.

What should I do about birth control after I take ella?

Using ella with hormonal contraceptives such as birth control pills could reduce the effectiveness of both drugs to prevent pregnancy. After using ella, if you wish to use hormonal contraception, you should do so no sooner than 5 days after the intake of ella. Be sure to use a reliable barrier contraceptive method (such as a condom with spermicide) each time you have sex until your hormonal birth control has taken effect.

If you do not use hormonal contraception, after using ella, you should use a reliable barrier contraceptive method (such as condom with spermicide) each time you have sex.

When is it not appropriate to use ella?

  • Do not use ella as a regular birth control method. It does not work as well as most other forms of birth control when they are used consistently and correctly.
  • Do not use ella if you are already pregnant.
  • Do not use ella more than one time in the same menstrual cycle for different acts of unprotected sex or birth control failure.

How does ella work?

ella is thought to work for emergency contraception primarily by stopping or delaying the release of an egg from the ovary. It is possible that ella may also work by preventing attachment (implantation) to the uterus.

How should I take ella?

  • Take ella as soon as possible within 5 days (120 hours) after unprotected sex or if you had a birth control failure.
  • ella can be taken with or without food.
  • Contact your healthcare provider right away if you vomit within 3 hours of taking ella. Your healthcare provider may prescribe another dose of ella for you.
  • ella can be taken at any time during the menstrual cycle.

How effective is ella?

If ella is taken as directed, it will reduce the chance that you will get pregnant. ella is not effective in every case. ella is only to be used for a single episode of unprotected intercourse. Be sure to use a regular birth control method the next time you have sex.

ella and other emergency contraceptives may be less effective in women with a body mass index (BMI) > 30 kg/m² .

What if I am already pregnant and use ella?

ella should not be taken if you are already pregnant. There is little information on whether ella would harm a developing baby. Contact your healthcare provider if you think you may be pregnant and have taken ella.

If you are pregnant and have taken ella, you are encouraged to provide information on your pregnancy on a dedicated website. The purpose of this website is to collect information about the safety of ella in women who have taken it during pregnancy. For information about how to sign up for this website, go to

ella is not for use to terminate an existing pregnancy.

What should I do if my menstrual period is delayed beyond 1 week or I have severe lower stomach (abdominal) pain?

After taking ella, your next menstrual period may begin a few days earlier or later than expected. If your period is more than 7 days later than expected, you may be pregnant. You should get a pregnancy test and follow up with your healthcare provider.

If you are pregnant and have taken ella, you are encouraged to provide information on your pregnancy on a dedicated website. See “What if I am already pregnant and use ella?”

If you have severe lower stomach (abdominal) pain about 3 to 5 weeks after taking ella, you may have a pregnancy outside of the uterus (womb), which is called an ectopic or tubal pregnancy. An ectopic pregnancy is a serious condition that needs medical treatment right away. Call your healthcare provider or go to the nearest emergency room right away if you think you may have an ectopic pregnancy.

How often can I use ella?

ella is meant for emergency contraception only, and is not to be used frequently or as a regular birth control. If you need to use emergency contraception often, talk to your healthcare provider and learn about methods for birth control and sexually transmitted disease prevention that are right for you.

What are the possible side effects of ella?

The most common side effects of ella include:

  • headache
  • nausea
  • stomach (abdominal) pain
  • menstrual pain (dysmenorrhea)
  • tiredness
  • dizziness

Some women taking ella may have their next period earlier or later than expected. If your period is more than a week late, you should get a pregnancy test.

Tell your healthcare provider if you have any side effect that bothers you or that does not go away.

These are not all the possible side effects of ella. For more information, ask your healthcare provider or pharmacist.

Call your healthcare provider for medical advice about side effects. You may report side effects to FDA 1800-FDA-1088.

How should I store ella?

  • Store ella at 68-77°F (20-25°C).
  • Protect ella from light. Keep ella in the blister card inside the original box until you are ready to take it.

Do not use ella if the package is torn or broken.

Keep ella and all medicines out of the reach of children.

General information about the safe and effective use of ella:

Medicines are sometimes prescribed for purposes other than those in a Patient Information Leaflet. Do not use ella for a condition for which it was not prescribed. Do not give ella to other people, even if they have the same symptoms that you have. It may harm them.

In the case of an overdose, get medical help or contact a Poison Control Center right away at 1-800-2221222. Overdose experience with ella is limited.

This Patient Information Leaflet summarizes the most important information about ella. If you would like more information, talk with your healthcare provider. You can ask your pharmacist or healthcare provider for information about ella that is written for health professionals.

For more information, go to or you can contact Afaxys, Inc. Health and Safety Team at 1855-888-2467.

What are the ingredients in ella?

Active ingredients: ulipristal acetate, 30 mg

Inactive ingredients: lactose monohydrate, povidone, croscarmellose sodium, and magnesium stearate

Last reviewed on RxList: 3/30/2015
This monograph has been modified to include the generic and brand name in many instances.

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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