Picture of a young woman holding her hands out looking undecided
Picture of a young woman holding her hands out looking undecided

ella® Side Effects

When choosing to take any medicine, it is perfectly understandable to be a little concerned about possible side effects. By making yourself aware of some of the potential side effects when taking ella®, you can feel confident in your choice of emergency contraception.

Sadly, because many people don’t learn about emergency contraception, there are lots of
myths and misinformation about scary side effects that are often over-exaggerated or are
totally incorrect. All medicines have potential side effects, and ella® is no exception, but generally it is well tolerated. Most people will experience no side effects at all.

For more information about ella®, check out: All you need to know about ella®.

Side effects of ella®

It is important to remember that ella® is generally well tolerated, and many people experience no side effects when using this medicine. Everyone is different, so any side effects that do occur will vary from person to person.

These are some of the common* side effects of ella®:
(*estimated to affect more than 1 in 10 people)

  • 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 1-800-FDA-1088.

Your period after taking ella®

Most people will have their next period as usual after taking ella®. Some people however might find that their period is either a few days early or late after taking ella®.

Missing a period is one of the earliest signs of pregnancy, but if your period is less than seven days late after taking ella® try not to panic, as this is not uncommon. Contact your healthcare professional if your period is delayed by more than a week beyond the date it was expected, to rule out pregnancy.

Some women taking ella may have their next period earlier or later than expected. If your period is more than 7 days later than expected, you should get a pregnancy test and follow up with your healthcare provider.

How do I know ella® has worked?

There is a lot riding on this small pill, and you’ll want to be reassured that it is working as intended. Unfortunately, there’s no way to know whether ella® has worked until your next period arrives.

ella® can make your next period late, so even if it is a few days later than usual, try not to panic, this is quite common. If your period is more than 7 days later than expected, you should get a pregnancy test and talk to your Doctor or pharmacist.

Some side effects of ella® have been likened to the early signs of pregnancy. Things like breast tenderness, stomach pain and nausea or vomiting can occur either as a side effect after using ella®, or as a symptom of pregnancy.

Will ella® affect my future fertility?

No. Due to a lot of myths and misinformation, this is a concern that many women have when considering emergency contraception. However, there is NO evidence that ella® will have any affect future fertility.

Fertility returns to normal rapidly after taking ella®, which is why it is very important to use a barrier method after taking ella. after taking emergency contraception (and all the time – if you’re not trying to conceive).

Some people assume that taking ella® means that they won’t be at risk of pregnancy if they have unprotected sex in the days or weeks afterwards. This isn’t true, and if you are using hormonal methods of contraception (like the pill), you should also use a condom until your next period, after taking ella®.

How can I buy ella®?

You may also be able to visit an online pharmacy same day and next day delivery.

Young woman looking happily at her pregnancy test whilst on the phone
Young woman looking happily at her pregnancy test whilst on the phone

Even with the best of intentions, accidents can happen, condoms can break, pills can be forgotten, and anyone might find themselves in need of the morning after pill. This doesn’t mean that you should feel panicked or ashamed, but that it’s time to take the responsible steps if you want to try to avoid an unplanned pregnancy.

Learning about the morning after pill and how it works is key to feeling confident about contraception. If you want to learn more about the ella® morning after pill, you can find a whole treasure trove of information over at All you need to know about ella®.

Have more questions to ask? Try our ella® FAQs page, to see if they might have been answered there.