Levonorgestrel (Morning After Pill)


Levonorgestrel is the generic version of the morning after pill Levonelle. It can be taken up to 72 hours after unprotected sex to reduce the chances of becoming pregnant. It is not recommended for acute use and should be purchased for use on future occasions only.

Learn more about Levonorgestrel (Morning After Pill) or ask our pharmacist

What is Levonorgestrel?

Levonorgestrel is the generic version of the emergency contraceptive Levonelle, which can prevent 84% of expected pregnancies when you take Levonogestrel within 72 hours of having unprotected sex. Levonogestrel is also known as the morning after pill.  

How do you take Levonorgestrel?

Always use this medicine exactly as described in the leaflet or as your doctor/pharmacist has told you. If you are unsure, check with your doctor or pharmacist. 

Levonorgestrel must be taken no later than 72 hours (3 days) after you have unprotected intercourse. The sooner Levonogestrel is taken the more effective the treatment is.  

If you have already taken Levonorgestrel once in your menstrual cycle than you are not protected from pregnancy if you have unprotected sex again. 

If you vomit after taking the morning after pill you may need to take Levonogestrel again. 

Side effects of Levonorgestrel?

As with any form of medication, Levonorgestrel pills have side effects. For a full list of side effects, please read the Patient Information Leaflet of Levonorgestrel.  Below are a few of the common side effects of taking Levonorgestrel pills: 

  • Feeling sick 
  • Irregular bleeding 
  • Abdominal pain 
  • Tiredness 
  • Headache 
  • Odd period 
  • Tender breasts 

For a full list of side effects, please read the Patient Information Leaflet of Levonorgestrel. 

Interactions of Levonorgestrel with alcohol and food?

There is no interaction between alcohol and the morning after pill. 

Any interactions of Levonorgestrel with other drugs?

Tell your doctor or pharmacist if you are taking or have recently taken any other medication. The effectiveness of Levonorgestrel may be reduced by the following medications 

  • Barbiturates and other medications used to treat epliepsy 
  • Medicines used to treat tuberculosis 
  • Treatment for HIV 
  • Griseofluvin 
  • Cyclosporin 
  • St John’s Wort 

Is there any reason why I would not be able to take Levonorgestrel?

You can NOT take Levonorgestrel if: 

  • You are allergic to any of the ingredients 

If you are unsure of any of the above criteria, please contact your doctor before commencing treatment with Levonorgestrel.

Why should I take Levonorgestrel?

Levonorgestrel can massively reduce the changes of an unwanted pregnancy after unprotected intercourse.  

Levonorgestrel is thought to prevent: 

  • up to 95% of pregnancies if taken within 24 hours 
  • up to 85% if taken within 48 hours 
  • up to 58% if taken within 72 hours 

What If I take Levonorgestrel too late?

If you miss the window of 72 hours (3 days) in which to take Levonorgestrel then it will be less effective. You can have an emergency IUD fitted for up to 5 days after unprotected sex.  

What’s the difference between Levonelle and Levonorgestrel?

Levonorgestrel is the generic version of Levonelle. 

This means that both drugs do the exact same thing, but Levonorgestrel tends to be more affordable as it is unbranded.  

Whats the difference between Levonorgestrel and EllaOne?

Levonorgestrel is effective up to 72 hours (3 days) after unprotected intercourse whereas EllaOne is effective for up to 120 hours (5 days) after unprotected sex. Talk to your GP or use our online Ask-a-Pharmacist service to see what would be best for you. 

Can I buy Levonorgestrel in advance?

We do not sell any morning after pill for acute use. This means that you can only buy Levonogestrel online for advance use. It is always good to be prepared but keep in mind that Levonorgestrel does not prevent the spread of STIs so make sure to take a test after unprotected intercourse to ensure that you are safe and healthy. If the test does come back as positive, we do sell treatments for a wide variety of STIs which are dealt with discreetly. 

Still have a question about Levonelle or Levonorgestrel?

No problem! Read our newest expert e-Surgery article debunking the most common myths surrounding the morning after pills. 

You can also use our Ask-A-Pharmacist service if you gave any unanswered questions! 

Additional information


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