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Effectiveness, Warning, & Side Effects


Plan B One-Step®

Emergency Contraceptive

One Tablet. One Step

What You Need to Know

What is Plan B One-Step®?

Plan B One-Step® is emergency contraception that helps
prevent pregnancy after birth control failure or unprotected sex. It is a backup
method of preventing pregnancy and should not be used as regular birth control.

What Plan B One-Step® is not.

Plan B One-Step® will not work if you are already
pregnant and will not affect an existing pregnancy. Plan B One-Step® will not
protect you from HIV infection (the virus that causes AIDS) and other sexually
transmitted diseases (STDs).

When should I use Plan B One-Step ?

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

When not to use Plan B One-Step®.

Plan B One-Step® should not be used:

  • as a regular birth control method, because it’s not as
    effective as regular birth control.
  • if you are already pregnant, because it will not work.
  • if you are allergic to levonorgestrel or any other
    ingredients in Plan B One-Step®.

How does Plan B One-Step® work?

Plan B One-Step® is one tablet with levonorgestrel, a
hormone that has been used in many birth control pills for several decades.
Plan B 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. It is possible that Plan B One-Step® may
also work by preventing fertilization of an egg (the uniting of sperm with the
egg) or by preventing attachment (implantation) to the uterus (womb).

How can I get the best results from Plan B One-Step ?

You have 72 hours (3 days) to try to prevent pregnancy
after birth control failure or unprotected sex. The sooner you take Plan B
One-Step®, the better it works.

How effective is Plan B One-Step®?

If Plan B 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.

How will I know Plan B One-Step® worked?

You will know Plan B® One-Step has been effective when
you get your next period, which should come at the expected time, or within a
week of the expected time. If your period is delayed beyond 1 week, it is
possible you may be pregnant. You should get a pregnancy test and follow up
with your healthcare professional.

Will I experience any side effects ?

  • some women may have changes in their period, such as a
    period that is heavier or lighter or a period that is early or late. If your
    period is more than a week late, you may be pregnant.
  • if you have severe abdominal pain, you may have an
    ectopic pregnancy, and should get immediate medical attention.
  • when used as directed, Plan B One-Step® is safe and
    effective. Side effects may include changes in your period, nausea, lower
    stomach (abdominal) pain, tiredness, headache, dizziness, and breast tenderness.
  • if you vomit within 2 hours of taking the medication,
    call a healthcare professional to find out if you should repeat the dose.

What if I still have questions about Plan B One-Step®?

If you have questions or need more information, call our
toll-free number, 1-800-330-1271, or visit our website at www.PlanBOneStep.com.

Other Information

Keep out of reach of children:

In case of overdose, get medical help or contact a Poison
Control Center right away at 1-800-222-1222.

Do not use if the blister seal is opened.

Store at room temperature 20-25°C (68-77°F).

Active ingredient: levonorgestrel 1.5 mg

Inactive ingredients : colloidal silicon dioxide,
potato starch, magnesium stearate, talc, corn starch, lactose monohydrate

If you are sexually active, you should see a
healthcare provider for routine checkups. Your healthcare provider will talk to
you about and, if necessary, test you for sexually trans mitted diseases, teach
you about effective methods of routine birth control, and answer any other questions
you may have.

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