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Plan B One-Step Dosage

Generic name: LEVONORGESTREL 1.5mg
Dosage form: tablet
Drug class: Contraceptives

Medically reviewed by Last updated on Dec 7, 2021.

The sooner you take emergency contraception, the better it works. You should use Plan B One-Step® within 72 hours (3 days) after you have had unprotected sex.

Plan B One-Step® is a backup or emergency method of birth control you can use when:

  • your regular birth control was used incorrectly or failed
  • you did not use any birth control method

Frequently asked questions

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.