Loestrin 24 FE

Generic Name: Ferrous Fumarate

  • What is Loestrin 24 FE?

    Loestrin 24 Fe tablets are oral contraceptives, or birth control pills, used to prevent pregnancy.

  • What is the most important information I should know about Loestrin 24 FE?

    Cigarette smoking increases the risk of serious cardiovascular side effects such as blood clots, stroke, and heart attack from oral contraceptive use. This risk increases with age, especially if you are >35 years old and smoke ≥15 cigarettes per day. You should not smoke while you are taking Loestrin 24 Fe.

    Oral contraceptive use is associated with increased risk of heart attack, clotting disorders, stroke, liver tumors, and gallbladder disease. These risks increase in people with a history of high blood pressure, high cholesterol, obesity, diabetes, clotting disorders, heart attack, stroke, chest pain, cancer of the breast or sex organs, or liver tumors.

    Oral contraceptives may increase cholesterol levels. Women with high cholesterol should be monitored closely.

    Loestrin 24 Fe does not protect against HIV infection (AIDS) and other sexually transmitted diseases.

    You may experience breakthrough bleeding or spotting while taking oral contraceptives, especially during the first 3 months of use. You may also have irregular periods. If you have missed more than two periods in a row, take a pregnancy test to determine if you are pregnant. Loestrin 24 Fe should not be used in women who are pregnant.

  • Who should not take Loestrin 24 FE?

    Do not use Loestrin 24 Fe if you are >35 years old and smoke ≥15 cigarettes a day.

    Do not use Loestrin 24 Fe if you have a history of heart attack or stroke; heart disease; blood clots in the legs, lungs, or deep veins of your legs; chest pain (angina); diabetes (including associated circulation problems); known or suspected breast cancer; cancer of the lining of the uterus, cervix, or vagina; unexplained vaginal bleeding; yellowing of the skin or whites of the eyes (jaundice) during pregnancy or during previous use of oral contraceptives; liver tumors; very high blood pressure; certain types of headaches; are allergic to any of the ingredients in Loestrin 24 Fe; or if you plan to have surgery with prolonged bed rest.

    Do not use Loestrin 24 Fe if you think you may be pregnant.

    Loestrin 24 Fe should not be used in women who have not had their first period or in women >65 years of age.

  • What should I tell my doctor before I take the first dose of Loestrin 24 FE?

    Tell your doctor if you have ever had any of the health conditions listed above, and also about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Loestrin 24 Fe. Also, talk to your doctor about your complete medical history, especially if you have or have had breast nodules, fibrocystic disease of the breast, an abnormal breast x-ray or mammogram, high triglycerides, water retention, depression, migraines or other headaches, seizures, gallbladder disease, liver or kidney disease, history of irregular menstrual bleeding or periods, wear contact lenses, smoke, will undergo surgery with prolonged bed rest, or if you are pregnant, plan to become pregnant, or are breastfeeding.

  • What is the usual dosage?

    The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

    Adults: Each white "active" tablet of Loestrin 24 Fe contains 1 milligram (mg) of norethindrone acetate and 20 micrograms (mcg) of ethinyl estradiol. Each brown "reminder" tablet contains inactive ingredients.

    Sunday Start: When taking Loestrin 24 Fe, take the first white "active" tablet on the Sunday after your period begins, even if you are still bleeding. Take one white "active" tablet daily for 24 days followed by one brown "reminder" tablet daily for 4 days. After all 28 tablets have been taken, start a new course the next day (Sunday).

    Day 1 Start: Take the first white "active" pill of the first pack during the first 24 hours of your period. Take one white "active" tablet daily from the 1st day through the 24th day of the menstrual cycle (counting the day your period starts as Day 1) followed by one brown "reminder" tablet daily for 4 days. Take the tablets without interruption for 28 days. After all 28 tablets have been taken, start a new course the next day.

  • How should I take Loestrin 24 FE?

    Before you start taking Loestrin 24 Fe, be sure to read the directions. You should take Loestrin 24 Fe once daily at the same time every day until the pack is empty.

    When you finish a pack or switch your brand of pills, start the next pack on the day after your brown "reminder" pill. Do not wait any days between packs.

    For the first cycle of a Sunday Start regimen, use another method of birth control (such as condoms or spermicide) as a back-up method if you have sex any time from the Sunday you start your first pack until you have been taking the pills for 7 days. You will not need to use a back-up method of birth control for the first cycle of a Day 1 regimen, since you are starting the pill at the beginning of your period.

  • What should I avoid while taking Loestrin 24 FE?

    Avoid smoking while taking Loestrin 24 Fe.

    Do not skip pills even if you are spotting or bleeding between monthly periods, feel sick to your stomach (nausea), or if you do not have sex very often.

  • What are possible food and drug interactions associated with Loestrin 24 FE?

    If Loestrin 24 Fe is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Loestrin 24 Fe with the following: acetaminophen (Tylenol), antibiotics, seizure medications (such as carbamazepine, lamotrigine, phenytoin, primidone, and topiramate), phenylbutazone, atorvastatin, clofibric acid, cyclosporine, felbamate, griseofulvin, certain medicines used to treat HIV and AIDS, itraconazole, ketoconazole, modafinil, morphine, oxcarbazepine, prednisolone, rifampin, salicylic acid, St. John's wort, temazepam, theophylline, troleandomycin, and vitamin C.

  • What are the possible side effects of Loestrin 24 FE?

    Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.

    Side effects may include: high blood pressure, gallbladder disease, irregular vaginal bleeding, breakthrough bleeding or spotting, absence of a period, change in vision or inability to wear your contact lenses, depression, breast tenderness, allergic reactions, vaginal infections, spotty darkening of the skin (especially on the face), nausea, vomiting, abdominal cramps and bloating, change in appetite, headache, nervousness, dizziness, loss of scalp hair, rash, water retention causing swelling of the fingers or ankles, weight change

  • Can I receive Loestrin 24 FE if I am pregnant or breastfeeding?

    Oral contraceptives should not be used if you are pregnant or breastfeeding.

  • What should I do if I miss a dose of Loestrin 24 FE?

    If you miss one white "active" pill, take it as soon as you remember. Take the next pill at your regular time. This means you can take two pills in the same day. You do not need a back-up birth control method if you have sex.

    If you miss two pills or more, consult the patient information that accompanied your prescription or call your doctor or pharmacist for advice.

  • How should I store Loestrin 24 FE?

    Store at room temperature.

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I'm Beth Isaac, PharmD. Welcome to PDR Health!

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