Medically reviewed by Jessica Swirble, PharmD
Last updated on 5/24/2024
Drug Information | Side Effects | Use & Dosage | Request a Prescription
Plan B is available in the following form:
The typical dose of Plan B is a single tablet of 1.5 mg of levonorgestrel taken as soon as possible after unprotected sex or birth control failure. It is most effective when taken within 72 hours (3 days) but can be taken up to 120 hours (5 days) after.
The dosage does not vary. It is crucial to follow the instructions provided with the medication or as advised by your healthcare provider.
Plan B should be taken exactly as directed. Do not take more than the recommended dose without consulting your provider.
If you have any questions about your dosage or need further guidance, contact your healthcare provider or consider scheduling an online doctor appointment through a telehealth platform like Sesame.
If you do not take Plan B within the optimal 72-hour window, take it as soon as you can. While its effectiveness decreases over time, it still provides some level of protection up to 120 hours after unprotected sex.
Plan B is a single-dose medication, so there is no regular dosing schedule to follow.
Continue monitoring for signs of pregnancy and consider taking a pregnancy test if your period is late by more than a week or if you experience other signs of pregnancy. Consult with your healthcare provider for further advice or if you have any concerns about the effectiveness of the treatment.
Store Plan B at room temperature, away from excessive heat and moisture. Keep the packaging closed when not in use and ensure it is out of reach of children.
Do not use the medication beyond its expiration date. If you have any questions about storage, consult your healthcare provider or pharmacist for guidance.