norethindrone (oral) Camila, Errin, Heather, Jencycla, Nor QD, Nora-BE, Ortho Micronor)

  • 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.

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PREGNANCY AND BREASTFEEDING SAFETY:

  • Oral contraceptives are generally avoided during pregnancy. Use of norethindrone during pregnancy has been associated with masculinization of female infants.
  • Small amounts of progestin pass into breast milk and are detectable in the infant. Use of birth control pills during lactation has been associated with decreased milk production. Norethindrone may be used by breastfeeding women.

STORAGE:

  • Norethindrone tablets should be stored at room temperature, 15 C to 30 C (59 F to 86 F).

DOSING:

  • The recommended dose is one tablet daily at the same time of the day.

DRUG CLASS AND MECHANISM:

  • Norethindrone is a progestin that is used as an oral contraceptive. Progestins prevent pregnancy by inhibiting ovulation (release of the egg), making it more difficult for sperm to penetrate the uterine mucus that surrounds the egg, and therefore, for fertilization to take place. Progestins also change the uterine lining to prevent the fertilized egg from implanting in the uterus.
  • The FDA approved norethindrone in January, 1973.

REFERENCE: FDA Prescribing Information

Medically Reviewed by a Doctor on 4/6/2016
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