levonorgestrel - oral, Plan B (cont.)
HOW TO USE: Take 1 tablet by mouth as soon as possible after unprotected sex. Take the second tablet by mouth 12 hours after taking the first dose. This medication may be taken with or without food. This medication works best when it is taken within 72 hours (3 days) after unprotected sex. In some cases, your doctor may instruct you to take both tablets at once. Take the medication exactly as prescribed by your doctor.If you vomit within 1 hour of taking either dose of the medication, contact your doctor to discuss whether you need to repeat the dose.The amount and timing of your period may be irregular after taking this medication. Notify your doctor immediately if your period is more than 7 days late. You may need to take a pregnancy test.
SIDE EFFECTS: Nausea/vomiting, abdominal pain, tiredness, dizziness, changes in vaginal bleeding, breast tenderness, diarrhea, or headache may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.Tell your doctor immediately if any of these rare but very serious side effects occur: lower abdominal pain.A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any of the following symptoms of a serious allergic reaction: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.In the US -Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
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.
Need help identifying pills and medications?
Back to Medications Index