Precautions

Drug information provided by: Merative, Micromedex®

It is very important that your doctor check your progress at regular visits to make sure this medicine is working properly. Blood and urine tests may also be needed to check for unwanted effects.

Although you are using this medicine to prevent pregnancy, you should know that using this medicine while you are pregnant could harm your unborn baby. If you think you have become pregnant while using this medicine, tell your doctor right away.

Check with your doctor right away if you miss a menstrual period. Missed periods may occur if you skip one or more tablets and have not taken your pills exactly as directed. If you miss two periods in a row, talk to your doctor. You might need a pregnancy test.

You may have a higher risk of an ovarian cyst or an ectopic pregnancy (occurs outside the womb) if you get pregnant while using this medicine. These can be serious and life-threatening conditions. It can also cause problems that may make it harder for you to become pregnant in the future. Call your doctor right away if you have a sudden or severe lower abdominal or stomach pain.

Check with your doctor right away if you have pain or tenderness in the upper stomach, pale stools, dark urine, loss of appetite, nausea, unusual tiredness or weakness, or yellow eyes or skin. These could be symptoms of a serious liver problem.

Make sure any doctor or dentist who treats you knows that you are using this medicine. You may need to stop using this medicine several days before having certain medical tests.

Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal (eg, St. John's wort) or vitamin supplements.