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Ortho Micronor is a progestin-only birth control pill that is available by prescription. It is a popular choice for breastfeeding women and women who should not take estrogens. Since this medication contains only one type of hormone, however, it is slightly less effective than combined oral contraceptives, which contain estrogen and progestin. Potential side effects include irregular menstrual periods, nausea, and breast tenderness.

What Is Ortho Micronor?

Ortho Micronor® (norethindrone) is a prescription oral contraceptive, also known as a birth control pill. Unlike most birth control pills, this medication does not contain estrogen (it contains only a progestin hormone). As a progestin-only contraceptive (also known as a "mini-pill"), Ortho Micronor is an ideal choice for breastfeeding mothers and other women who should not take estrogens.
(Click Ortho Micronor Uses for more information, including possible off-label uses.)

Who Makes This Medicine?

Ortho Micronor is made by Ortho-McNeil Pharmaceutical, Inc. It is available in generic form, sold under the following names:
  • Errin® (made by Barr Pharmaceuticals, Inc.)
  • Jencycla™ (made by Lupin Pharmaceuticals, Inc.)
  • Jolivette® (made by Watson Pharmaceuticals, Inc.)
  • Norethindrone (made by Glenmark Generics).
(Click Generic Ortho Micronor for more information.)
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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