levonorgestrel

Levonorgestrel 1.5mg Pill

Levonorgestrel is the active ingredient in Levonelle. If taken within 72 hours it can be up to 95% effective. After 72 hours the popular alternative, EllaOne can be taken which is effective for upto 5 days after unprotected sex.

Please note that if your BMI is 26 or over, or you are over 70kg (11 stone) it is recommended by the NHS to take TWO tablets. You can check your BMI here if unsure.

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  • Take Within 72 Hours Of Having Sex
  • Morning After Pill
  • Active Ingredient: Levonorgestrel
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Overview

What is Levonorgestrel?

Levonorgestrel is a form of emergency contraception that women can buy online to successfully prevent pregnancy. Levonorgestrel can be taken up to three days (72 hours) after unprotected sex to prevent pregnancy, which gives you time to make sure taking Levonorgestrel is the right decision for you, either alone or by discussing it with your partner. Levonorgestrel is the most commonly used method of emergency contraception and has helped to prevent pregnancy for millions of women. Taking this medication as early as possible (24 hours after unprotected sex) gives you a 95% chance of successfully preventing pregnancy.

 

Side Effects

Before taking Levonorgestrel, you should always first consult your doctor. It is not suitable for anyone who is allergic to levonorgestrel or any of the other ingredients of this medicine. You should also let your doctor know if:

  • you have a history of ectopic pregnancy (where the baby develops somewhere outside the womb) 
  • you have a disease of your small bowel (such as Crohn’s disease) that inhibits the absorption of the drug 
  • your period is late or you have symptoms of pregnancy (heavy breasts, morning sickness),
  • you have severe liver problems. 
  • you have a history of salpingitis (inflammation of the Fallopian tubes).

There is also some evidence to suggest that the drug may be less effective on women with a higher BMI (body mass index) but given the lack of data, it is still currently suitable to be taken by all women, regardless of weight or BMI.

You should not take this medicine together with another emergency contraceptive pill, as it will make the medication less effective.

Like many medications with active ingredients, Levonelle 1500 can affect or be affected by other medicines.  If you have used any of the below medicines in the last 4 weeks, Levonelle 1500 may be less suitable for you:

  • a medicine called cyclosporin (suppresses the immune system)
  • treatment for HIV
  • barbiturates and other medicines used to treat epilepsy
  • medicines used to treat tuberculosis
  • a medicine used to treat fungal infections (griseofulvin)
  • herbal remedies containing St John’s wort (Hypericum perforatum)

If you have taken any of these medicines then you should consult a doctor, as they may prescribe you another type of emergency contraceptive (non-hormonal) such as a copper intrauterine device (Cu-IUD).

You should not take Levonorgestrel if you are already pregnant, or suspect yourself of being. However, if it turns out that you are pregnant when you take it, there is no evidence to suggest that it will affect your pregnancy. Having said this, you should still go and see your doctor.

The active ingredient of this medicine is excreted into your breast milk so if you are breastfeeding then you should take the tablet immediately after nursing and then avoid doing it again for the next 8 hours. Drain your milk and throw it away to maintain milk production until 8 hours have passed.

The most common side effects of using Levonorgestrel include:

  • Tiredness 
  • You might have some irregular bleeding until your next period 
  • Feeling sick (nausea) 
  • You might have lower abdominal pain 
  • Headache

If you do experience one or more of these side effects and they persist or worsen, then inform your doctor right away. You should also contact your doctor immediately if you experience any serious side effects.

Patient Information Leaflet

You can find the patient information leaflet here.

How does Levonorgestrel work?

It prevents about 84% of expected pregnancies if taken within 72 hours of having unprotected sex. Levonorgestrel 1500 works by stopping your ovaries from releasing an egg and preventing sperm from fertilising any egg you may have already released.

How do I use Levonorgestrel?

Take the tablet as soon as possible, preferably within 12 hours, and no later than 72 hours (3 days) after you have had unprotected sex (it works best the sooner you take it). Levonelle 1500 can be taken at any time in your menstrual cycle assuming you are not already pregnant or think you may be pregnant.

You should only use Levonorgestrel in emergencies and not as a regular method of contraception. If you take the medication more than once in a menstrual cycle, it is less reliable and it is more likely to upset your period. If you need to take it more than once, you should consult your doctor about alternative, more long-term methods of contraception.

If you are already using a regular method of contraception such as the contraceptive pill, you can continue to take this at your regular times after taking Levonorgestrel.

If you have unprotected sex after taking Levonorgestrel, it will not stop you from becoming pregnant, and you should look into other contraception methods.

How do I buy Morning after pill online?

You can safely buy the morning after pill online at Cloud Pharmacy, without the need for a prescription, however you should adhere to the advice given in the patient leaflet enclosed.

Reviews

Levonorgestrel 1.5mg Pill Reviews

Author Information

All of our medication and condition content is written by UK qualified pharmacists and doctors.

Stephanie Beirne

Authored by

Stephanie Beirne

Clinical Governance Lead

Nazmul Kadir

Reviewed by

Nazmul Kadir

Director & Superintendent Pharmacist

GPhC Number: 2215377

Review Date1 August 2025
Next Review1 August 2027
Published on7 January 2023
Last Update1 August 2025

Levonorgestrel 1.5mg Pill FAQs

Nazmul Kadir
Nazmul Kadir MPharm, PIP Director & Superintendent Pharmacist

Medically reviewed on August 1st, 2025

Can Levonelle be purchased online?

You can safely purchase Levonorgestrel online through Cloud Pharmacy. Our prescriber will review your consultation and ensure it is appropriate for you. The pharmacy will then dispatch this to you for the next working day. 

If you have had unprotected sex or there has been a contraceptive failure, you should see your GP, local GUM clinic or pharmacy as soon as possible.

A fully qualified team

Our experienced pharmacists are all registered with the General Pharmaceutical Council in the UK.

View our full team
Ibrahim Nakib ImageNazmul Kadir

Director & Superintendent Pharmacist

MPharm, PIP

GPhC Number: 2215377

Ibrahim Nakib ImageAnna Wedderburn

Clinical Director

MPharm

Ibrahim Nakib ImageStephanie Beirne

Clinical Governance Lead

MPharm, PgDip

Ibrahim Nakib ImageFahmida Kadir

Deputy Superintendent Pharmacist

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Pricing and quantity options

Levonorgestrel 1.5mg Pill

Strength
Quantities
Quantities 1.5mg
1 £9.49
2 £18.99

EllaOne Emergency Contraceptive Pill

Strength
Quantities
Quantities 30mg
1 £23.69
2 £47.29

Levonelle

Strength
Quantities
Quantities 1.5mg
1 £14.99
2 £27.99
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