Medication Guide App

Plan B Dosage

Generic name: levonorgestrel
Dosage form: tablet

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The information at Drugs.com is not a substitute for medical advice. ALWAYS consult your doctor or pharmacist.

Take one tablet of Plan B 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. The second tablet should be taken 12 hours after the first dose. Plan B can be used at any time during the menstrual cycle.

If vomiting occurs within two hours of taking either dose of medication, consideration should be given to repeating the dose.

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