Generic Name: ethinyl estradiol and norgestrel (ETH in il ess tra DYE ol and nor JESS trel)
Brand Names: Cryselle 28, Lo/Ovral-28, Low-Ogestrel, Ogestrel-28
What is Low-Ogestrel (ethinyl estradiol and norgestrel)?
Ethinyl estradiol and norgestrel contains a combination of female hormones that prevent ovulation (the release of an egg from an ovary). This medication also causes changes in your cervical mucus and uterine lining, making it harder for sperm to reach the uterus and harder for a fertilized egg to attach to the uterus.
Ethinyl estradiol and norgestrel is used as contraception to prevent pregnancy.
Ethinyl estradiol and norgestrel may also be used for other purposes not listed in this medication guide.
What is the most important information I should know about Low-Ogestrel (ethinyl estradiol and norgestrel)?
Do not use birth control pills if you are pregnant or if you have recently had a baby. Do not use this medication if you have a history of stroke or blood clot, circulation problems (especially if caused by diabetes), a hormone-related cancer such as breast or uterine cancer, unusual vaginal bleeding, liver disease or liver cancer, severe high blood pressure, severe migraine headaches, a heart valve disorder, or a history of jaundice caused by birth control pills.
Some drugs can make birth control pills less effective, which may result in pregnancy. Tell your doctor about all medications you use.
What should I discuss with my healthcare provider before taking Low-Ogestrel (ethinyl estradiol and norgestrel)?
This medication can cause birth defects. Do not use if you are pregnant. Tell your doctor right away if you become pregnant, or if you miss two menstrual periods in a row. If you have recently had a baby, wait at least 4 weeks before taking birth control pills (6 weeks if you are breast-feeding). Do not use this medication if you have:
a history of a stroke or blood clot;
circulation problems (especially if caused by diabetes);
a hormone-related cancer such as breast or uterine cancer;
unusual vaginal bleeding;
liver disease or liver cancer;
severe high blood pressure;
severe migraine headaches;
a heart valve disorder; or
a history of jaundice caused by birth control pills.
If you have any of these other conditions, you may need a dose adjustment or special tests:
high blood pressure, heart disease, congestive heart failure, angina (chest pain), or a history of heart attack;
high cholesterol or if you are overweight;
a history of depression;
gallbladder disease;
diabetes;
seizures or epilepsy;
a history of irregular menstrual cycles; or
a history of fibrocystic breast disease, lumps, nodules, or an abnormal mammogram.
The hormones in birth control pills can pass into breast milk and may harm a nursing baby. This medication may also slow breast milk production. You should not breast-feed while you are taking birth control pills.
How should I take Low-Ogestrel (ethinyl estradiol and norgestrel)?
Take exactly as prescribed by your doctor. Do not take in larger or smaller amounts or for longer than recommended. Take your first pill on the first day of your period or on the first Sunday after your period begins (follow your doctor's instructions).
You may need to use back-up birth control, such as condoms or a spermicide, when you first start using this medication. Follow your doctor's instructions.
The 28-day birth control pack contains seven "reminder" pills to keep you on your regular cycle. Your period should begin while you are using these reminder pills.
You may have breakthrough bleeding, especially during the first 3 months. Tell your doctor if this bleeding continues or is very heavy.
Take one pill every day, no more than 24 hours apart. When the pills run out, start a new pack the following day. Get your prescription refilled before you run out of pills completely.
If you need medical tests or surgery, or if you will be on bed rest, you may need to stop using this medication for a short time. Any doctor or surgeon who treats you should know that you are using birth control pills.
Store at room temperature away from moisture and heat.
What happens if I miss a dose?
Missing a pill increases your risk of becoming pregnant.
If you miss one "active" pill, take two pills on the day that you remember. Then take one pill per day for the rest of the pack.
If you miss two "active" pills in a row in week one or two, take two pills per day for two days in a row. Then take one pill per day for the rest of the pack. Use back-up birth control for at least 7 days following the missed pills.
If you miss two "active" pills in a row in week three, or if you miss three pills in a row during any of the first 3 weeks, throw out the rest of the pack and start a new one the same day if you are a Day 1 starter. If you are a Sunday starter, keep taking a pill every day until Sunday. On Sunday, throw out the rest of the pack and start a new one that day.
If you miss three "active" pills in a row during any of the first 3 weeks, throw out the rest of the pack and start a new pack on the same day if you are a Day 1 starter. If you are a Sunday starter, keep taking a pill every day until Sunday. On Sunday, throw out the rest of the pack and start a new one that day.
If you miss two or more pills, you may not have a period during the month. If you miss a period for two months in a row, call your doctor because you might be pregnant.
If you miss any reminder pills, throw them away and keep taking one pill per day until the pack is empty. You do not need back-up birth control if you miss a reminder pill.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. Overdose symptoms may include nausea, vomiting, and vaginal bleeding.
What should I avoid while taking Low-Ogestrel (ethinyl estradiol and norgestrel)?
Do not smoke while taking birth control pills, especially if you are older than 35. Smoking can increase your risk of blood clots, stroke, or heart attack caused by birth control pills.
Birth control pills will not protect you from sexually transmitted diseases--including HIV and AIDS. Using a condom is the only way to protect yourself from these diseases.
Low-Ogestrel (ethinyl estradiol and norgestrel) side effects
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using this medication and call your doctor at once if you have any of these serious side effects:
sudden numbness or weakness, especially on one side of the body;
sudden headache, confusion, problems with vision, speech, or balance;
chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling;
a change in the pattern or severity of migraine headaches;
nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
swelling in your hands, ankles, or feet;
a breast lump; or
symptoms of depression (sleep problems, weakness, mood changes).
Less serious side effects may include:
mild nausea, vomiting, bloating, stomach cramps;
breast pain, tenderness, or swelling;
freckles or darkening of facial skin;
changes in weight or appetite;
problems with contact lenses;
vaginal itching or discharge;
changes in your menstrual periods, decreased sex drive; or
nervousness, dizziness, tired feeling.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What other drugs will affect Low-Ogestrel (ethinyl estradiol and norgestrel)?
Some drugs can make birth control pills less effective, which may result in pregnancy. Before using birth control pills, tell your doctor if you are using any of the following drugs:
acetaminophen (Tylenol) or ascorbic acid (vitamin C);
modafinil (Provigil);
dexamethasone (Decadron, Hexadrol);
an antibiotic;
seizure medicines such as phenytoin (Dilantin), carbamazepine (Tegretol), oxcarbazepine (Trileptal), topiramate (Topamax), and others;
a barbiturate such as phenobarbital (Solfoton) and others; or
HIV medicines such as atazanavir (Reyataz), indinavir (Crixivan), saquinavir (Invirase), fosamprenavir (Lexiva), ritonavir (Norvir), and others.
This list is not complete and other drugs may interact with birth control pills. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.
More Low-Ogestrel resources
- Low-Ogestrel Side Effects (in more detail)
- Low-Ogestrel Use in Pregnancy & Breastfeeding
- Low-Ogestrel Drug Interactions
- Low-Ogestrel Support Group
- 3 Reviews for Low-Ogestrel - Add your own review/rating
- Low-Ogestrel Prescribing Information (FDA)
Compare Low-Ogestrel with other medications
- Abnormal Uterine Bleeding
- Birth Control
- Emergency Contraception
- Endometriosis
- Gonadotropin Inhibition
Where can I get more information?
- Your pharmacist can provide more information about ethinyl estradiol and norgestrel.
See also: Low-Ogestrel side effects (in more detail)
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