Plan B One-Step
IUDs Increasingly Popular Form of Birth Control »
"Oct. 18, 2012 -- While the use of long-acting intrauterine devices (IUDs) is increasing, 1 in 9 women at risk for unintended pregnancies is not using any birth control, according to a new government report.
Researchers from the Natio"...
Read the IUDs Increasingly Popular Form of Birth Control article »
Plan B One-Step
Plan B One-Step
(levonorgestrel) Tablet, 1.5 mg, for Oral Use
DRUG DESCRIPTION
The Plan B One-Step (levonorgestrel tablet) tablet contains 1.5 mg of a single active steroid ingredient, levonorgestrel [18,19-Dinorpregn-4-en-20-yn-3-one-13-ethyl-17-hydroxy-, (17 α)-(-)-], a totally synthetic progestogen. The inactive ingredients are colloidal silicon dioxide, corn starch, lactose monohydrate, magnesium stearate, potato starch, and talc.
Levonorgestrel has a molecular weight of 312.45, and the following structural and molecular formulas:
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What are the possible side effects of levonorgestrel emergency contraceptive (Next Choice, Plan B, Plan B One-Step)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have severe pain in your lower stomach or side. This could be a sign of a tubal pregnancy (a pregnancy that implants in the fallopian tube instead of the uterus). A tubal pregnancy is a medical emergency.
Less serious side effects may include:
- nausea, diarrhea, or stomach pain;
- dizziness, tired...
Read All Potential Side Effects and See Pictures of Plan B One-Step »
Last reviewed on RxList: 7/30/2009
This monograph has been modified to include the generic and brand name in many instances.
Additional Plan B One-Step Information
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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