• Prevents pregnancy when taken within 72 hours.
  • Works best the sooner it’s taken after unprotected sex.
  • Trusted UK-prescribed morning-after pill

How it works?

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Overview

Disclaimer - SwiftMedi provides this service as a precaution as a standby treatment should unprotected sex occur. If you have had unprotected sex, it is important to visit your local GP or Community Pharmacy as soon as possible for medication supply.

 

Worried about pregnancy after unprotected sex or a contraception mishap? Levonorgestrel is the trusted generic version of Levonelle - offering the same proven protection without the brand name cost. When taken within 3 days (72 hours), it safely delays ovulation and helps prevent pregnancy, giving you reassurance and control at a stressful time.
Every request through SwiftMedi is reviewed by a UK-registered prescriber following a secure online consultation, with discreet next-day delivery.


What is Levonorgestrel


Levonorgestrel 1.5mg is a widely used form of emergency hormonal contraception in the UK.

  • Works up to 72 hours (3 days) after unprotected sex
  • Most effective if taken as soon as possible (ideally within 24 hours)
  • Clinically identical to Levonelle but unbranded
  • Single-dose oral tablet


It works by delaying ovulation, preventing the release of an egg. It does not affect an existing pregnancy or future fertility.

Directions

  • Take one 1.5mg tablet as soon as possible after unprotected sex.
  • Works up to 72 hours (3 days), but earlier is better.
  • If you vomit within 3 hours, another dose may be required — contact your prescriber.
  • Resume your usual contraception afterwards, as advised.

Side Effects

Common:

  • Nausea or stomach upset
  • Headache
  • Tiredness or dizziness
  • Breast tenderness
  • Period changes (timing or flow)


Less common:

  • Vomiting or diarrhoea
  • Lower abdominal pain
  • Mood changes


Rare (urgent medical help needed):

  • Severe abdominal pain (possible ectopic pregnancy)
  • Allergic reaction (rash, swelling, difficulty breathing)

Warnings

Levonorgestrel may not be suitable if you:

  • Are already pregnant (it will not work)
  • Have severe liver disease
  • Are taking enzyme-inducing medicines (e.g., some epilepsy drugs, HIV/TB treatments, St John’s Wort)
  • Have a very high BMI (effectiveness may be reduced — ellaOne may be more suitable)


Your prescriber will confirm suitability during consultation.

Related Treatments for Emergency Hormonal Contraception