Plan B One-Step (levonorgestrel, Next Choice One Dose, My Way)

  • Pharmacy Author:
    Omudhome Ogbru, PharmD

    Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.

  • Medical and Pharmacy Editor: Jay W. Marks, MD
    Jay W. Marks, MD

    Jay W. Marks, MD

    Jay W. Marks, MD, is a board-certified internist and gastroenterologist. He graduated from Yale University School of Medicine and trained in internal medicine and gastroenterology at UCLA/Cedars-Sinai Medical Center in Los Angeles.

DOSAGE:

  • Emergency contraception pills should be taken as soon as possible and not more than 72 hours after unprotected sex or when birth control fails.
  • Single dose regimen: Take one 1.5 mg tablet as soon as possible within 72 hours of unprotected sex or when birth control fails.
  • Two-dose regimen: Take one 0.75 mg tablet as soon as possible within 72 hours of unprotected sex or when birth control fails, followed by a second 0.75 mg tablet 12 hours later.

DRUG INTERACTIONS: Drugs or herbal products that increase the activity certain liver enzymes that breakdown drugs may reduce blood levels of levonorgestrel and the effectiveness of the morning after pill.

PREGNANCY AND BREASTFEEDING SAFETY:

  • Emergency contraception pills will not work if you are already pregnant and should not be used during pregnancy.
  • Levonorgestrel is thought to enter human milk after oral administration and should be used cautiously in nursing mothers.
Medically Reviewed by a Doctor on 8/31/2016
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