Plan B One-step Generic Name & Formulations
Levonorgestrel 1.5mg; tabs.
Plan B One-step Indications
Prevention of pregnancy after known or suspected contraceptive failure or unprotected intercourse. Not for use as regular contraceptive.
Plan B One-step Dosage and Administration
Rule out pregnancy first. Take one single-dose as soon as possible but no later than 72hrs after unprotected intercourse. If vomiting occurs within 2hrs, may consider repeating dose.
Plan B One-step Contraindications
See full labeling. Known or suspected pregnancy.
Plan B One-step Boxed Warnings
Plan B One-step Warnings/Precautions
See full labeling. Ectopic pregnancy. Does not protect against HIV or other STDs.
Plan B One-step Pharmacokinetics
Plan B One-step Interactions
May be antagonized by CYP3A4 inducers (eg, efavirenz, rifampin, barbiturates, carbamazepine, phenytoin, St. John's wort).
Plan B One-step Adverse Reactions
Heavier menstrual bleeding, nausea, vomiting, abdominal pain, fatigue, headache, dizziness, breast tenderness, delay of menses (>7days).
Plan B One-step Clinical Trials
Plan B One-step Note
Plan B One-step Patient Counseling