
EContra One-Step® is an emergency contraceptive, sometimes called a morning-after pill, that is FDA approved for use up to 3 days (up to 72 hours) after unprotected sex or a known birth control failure. It is a backup method of preventing pregnancy and should not be used as regular birth control.
Compares to Plan B One‑Step®

EContra One-Step?


You can find EContra One-Step without a prescription at most clinics, family planning clinics, community health centers, city and state health departments, student health centers or campus health centers, and Planned Parenthood locations.



over-the-counter. Get it from your local clinic, health center, or online
(1 pill; use as directed within 3 days or up to 72 hours)



- EContra One-Step is one tablet with levonorgestrel, a hormone that has been used in many birth control pills for several decades
- EContra One-Step contains a higher dose of levonorgestrel than birth control pills but works in a similar way to prevent pregnancy
- It works mainly by stopping the release of an egg from the ovary
You should use EContra One-Step within 3 days (up to 72 hours) after birth control failure or unprotected sex. The sooner you take EContra One-Step, the better it works. If EContra One-Step is taken as directed, it can significantly decrease the chance that you will get pregnant. About 7 out of every 8 women who would have gotten pregnant will not become pregnant.1


What is EContra One-Step?
EContra One-Step is emergency contraception that helps prevent pregnancy after regular birth control failure or unprotected sex. It is a backup method of preventing pregnancy and should not be used as regular birth control.
What EContra One-Step is not:
EContra One-Step will not work if you are already pregnant and will not affect an existing pregnancy.
When should I use EContra One-Step?
The sooner you take emergency contraception, the better it works. You should use EContra One-Step within 72 hours (3 days) after you have had unprotected sex. EContra One-Step is a backup or emergency method of birth control you can use when your regular birth control was used incorrectly or failed, or when you did not use any birth control method.
When should I not to use EContra One-Step?
EContra One-Step should not be used as a regular birth control method, because it’s not as effective as regular birth control. EContra One-Step should not be used if you are already pregnant, because it will not work. EContra One-Step should not be used if you are allergic to levonorgestrel or any other ingredients in EContra One-Step.
What else should I know about taking EContra One-Step?
Ask a doctor or pharmacist before use if you are taking efavirenz (HIV medication), rifampin (tuberculosis treatment), or medication for seizures (epilepsy). These medications may reduce the effectiveness of EContra One-Step and increase your chance of becoming pregnant. Your doctor may prescribe another form of emergency contraception that may not be affected by these medications.
What are possible side effects of EContra One-Step?
Commonly reported adverse reactions include period changes, abdominal pain, nausea, vomiting, tiredness, headache, dizziness, or breast pain. Contact your healthcare provider if you have severe abdominal pain.
EContra One-Step will not protect you from HIV infection (AIDS) and other sexually transmitted diseases (STDs).
Please see the full Prescribing Information, including Boxed Warning, and Patient Information here.
