Plan B Dosage
Generic name: levonorgestrel
Dosage form: tablet
This dosage information does not include all the information needed to use Plan B safely and effectively. See full prescribing information for Plan B.
The information at Drugs.com is not a substitute for medical advice. ALWAYS consult your doctor or pharmacist.
Take Plan B One-Step orally as soon as possible within 72 hours after unprotected intercourse or a known or suspected contraceptive failure. Efficacy is better if the tablet is taken as soon as possible after unprotected intercourse. Plan B One-Step can be used at any time during the menstrual cycle.
If vomiting occurs within two hours of taking the tablet, consideration should be given to repeating the dose.
See also...
- Plan B Side Effects
- Plan B Drug Interactions
- Plan B (levonorgestrel) consumer information
- Levonorgestrel dosage information
- Mirena (levonorgestrel) intrauterine device dosage information
- Mirena (levonorgestrel) consumer information
- Next Choice (levonorgestrel) one dose tablet dosage information
- Plan B One-Step (levonorgestrel) consumer information
- Skyla (levonorgestrel) consumer information


