Norethindrone Oral Effects, Dosage, and Side Effects Aygestin; Camila; Errin; Jolivette; Micronor; Nor-QD

... NORETHINDRONE (Ortho-Micronor^® or Errin™ or Jolivette™, Nor-QD^® or Camila™, Norlutin^®, Aygestin^®) is used as a birth-control pill (to prevent an unwanted pregnancy) or a hormone treatment, depending on the brand you have been prescribed. Norethindrone acts like the natural hormone progesterone. Natural progesterone is essential to normal functioning of the female reproductive system. Norethindrone also helps to treat an irregular menstrual cycle, lack of menstrual periods, or abnormal uterine bleeding caused by a hormonal imbalance. Norethindrone tablets are available from several pharmaceutical manufacturers; however, not all brands are substitutable for one another. ...

Oral contraceptives come in a variety of formulations. The main division is ...