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Drug Class: Commonly Known As: Category:
Contraceptive Postinor-2® Adult

Levonorgestrel - Dosage and How to Use

How should Levonorgestrel be used?

  • ​You may take this medication with or without food
  • You may take the medication at any time during the menstrual cycle.
  • Take 2 tablets at the same time within 72 hours of intercourse.
  • The medication is less effective after 72 hours. You should not take more than 4 tablets each month.
  • If you vomit within 3 hours after taking the medicine, the dose must be repeated (another 2 tablets should be taken immediately). Consult a doctor to get an additional dose of the medicine.

You may still get pregnant if there is sexual intercourse after taking the pill. Ensure that you use a condom or any other type of birth control method if you have sexual intercourse after taking the emergency contraceptive pill.

What should I do if I miss a dose?

Taking the tablets should not be delayed. It can only prevent pregnancy, if it is taken within 72 hours of intercourse.

Please contact your healthcare professional if it is more than 72 hours.

What should I do if I overdose?

Levonorgestrel - Additional Information

When can I start my regular hormonal contraception after taking Postinor-2 (Levonorgestrel)?

You can continue or start any birth control method right away. For the next 7 days, you also must use a barrier method (for example: condoms, diaphragm, and spermicides) along with your regular birth control method, or not have sexual intercourse.

  • Updated on 3/24/2022 12:00:00 AM
  • Article contributed by PSS National Medication Information Workgroup PSS National Medication Information Workgroup
The information provided is not intended as medical advice. Terms of use. Information provided by SingHealth

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