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EllaOne is a type of emergency contraceptive (or "morning after") pill taken after unprotected sex to prevent pregnancy. It must be taken within 5 days (120 hours) of having unprotected sex to be effective but is more effective the sooner it is taken.

Immediate Use (Collection Only) | from £43.00 per pack

ellaOne contraceptive pill picture

Future Use | from £43.00 per pack

ellaOne contraceptive pill picture

Key Features
  • One tablet to be taken as soon as possible
  • Can be taken up to 5 days after unprotected sex
  • More effective the sooner it is taken

ellaOne for use today needs to be collected in-store.

EllaOne is effective for up to 5 days after unprotected sex.
Amanda Dorkes - Clinical Director

Key Information

The medicine

ellaOne (ulipristal acetate) 30mg

When should I take it?

Within five days (120 hours) of unprotected sex. EllaOne can be taken at any point during your menstrual cycle.


Current studies show ellaOne can be effective at preventing pregnancy for a full five days after unprotected sex but should be taken as soon as possible. Please note, ellaOne does not give any protection against sexually transmitted infections.

Side effects

Most commonly irregular bleeding, headache, nausea, dizziness and abdominal pain.

Who shouldn't use this service

If you are already pregnant or could be pregnant you should not take ellaOne. You should also not take it if you have already taken either ellaOne or Levonelle during the same menstrual cycle.

Taking ellaOne

How does it work?

EllaOne contains ulipristal acetate, a chemical that prevents or delays you from ovulating, thus protecting you against pregnancy. You take ellaOne in the form of a single tablet, up to 5 days after having unprotected sex - but preferably as soon as possible.

If you vomit up to three hours after taking ellaOne, you will need to take another tablet. You should consult a doctor in this case. After taking ellaOne, you should not take it again during the same menstrual cycle. You should also use barrier methods (such as condoms) until your next period, as ellaOne can disrupt the contraceptive pill.

Does ellaOne protect against anything other than pregnancy?

No. EllaOne will not protect you against any sexually transmitted infections. If you have had unprotected sex and are worried you might have contracted a sexually transmitted infection, you can visit our sexual health clinic for advice, tests and treatments. EllaOne should also not be relied upon as a contraceptive method. If you are seeking long term contraception, then you might consider getting a prescription for the contraceptive pill from our online clinic.

Alternative Treatments

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