Effects of Loestrin 24 Fe

In 2013, the manufacturer of Loestrin 24 Fe decided to stop making this medication and replace it with Minastrin™ 24 Fe, which comes in exactly the same strengths but is chewable. 
Loestrin® 24 Fe (norethindrone/ethinyl estradiol) is a commonly prescribed oral contraceptive. It produces a few different effects on the body that cause it to prevent pregnancy. The primary way in which this medication works is by stopping ovulation; however, it also produces certain changes in the cervical mucus and in the lining of the uterus.
When combined, these effects make Loestrin 24 Fe a reliable, safe, easy-to-use form of birth control. However, you must take this product as directed or it will not work, and missing doses greatly increases your risk of pregnancy. What's more, Loestrin 24 Fe is not effective against sexually transmitted diseases, and you may want to use condoms in addition to the birth control pill.
(Click Loestrin 24 Fe to learn more about how this medication works, possible side effects, what to tell the healthcare provider prescribing it, and more.)
Last reviewed by: Kristi Monson, PharmD
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