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

Important Safety Information

The most common side effects of ella (ulipristal acetate) tablets include headache, stomach pain, nausea, menstrual pain, tiredness, and dizziness. You should not take ella if you know or suspect you are already pregnant, and ella should not replace your regular birth control method. Do not use ella more than one time in the same menstrual cycle. ella is not for use to end an existing pregnancy. If you become pregnant or have lower stomach pain after taking ella, you should be evaluated for an ectopic pregnancy. ella may cause your period to be earlier or later than expected. If your period is more than a week late, you should get a pregnancy test. After taking ella, you are likely to be fertile again very quickly, thus, you should continue or start using a regular birth control method as soon as possible to prevent pregnancy. ella will not protect you against HIV infection (AIDS) and other sexually transmitted diseases.