Precautions

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. Your doctor may also want to check your blood pressure while taking this medicine.

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 the medicine, tell your doctor right away. Make sure your doctor knows if you had given birth within 4 weeks before you start using this medicine.

If you suspect that you may be pregnant, check with your doctor right away.

Do not use this medicine together with medicine to treat hepatitis C virus infection, including ombitasvir/paritaprevir/ritonavir, with or without dasabuvir (Technivie®, Viekira Pak®).

You might have some light bleeding or spotting when you first start using this medicine. This is usually normal and should not last long. However, if you have heavy bleeding or the bleeding lasts more than a few days in a row, call your doctor.

Do not use this medicine if you smoke cigarettes or if you are over 35 years of age. If you smoke while using ethinyl estradiol and norgestrel combination, you increase your risk of having a blood clot, heart attack, or stroke. Your risk is even higher if you are over age 35, if you have diabetes, high blood pressure, high cholesterol, or if you are overweight. Talk with your doctor about ways to stop smoking. Keep your diabetes under control. Ask your doctor about diet and exercise to control your weight and blood cholesterol level.

Using this medicine may increase your risk of having blood clotting problems. Check with your doctor right away if you have pain in the chest, groin, or legs, especially the calves, difficulty with breathing, a sudden, severe headache, slurred speech, a sudden, a sudden loss of coordination, or vision changes while using this medicine.

Using this medicine may increase your risk of having cancer of the breast or your reproductive organs (eg, endometrium, ovaries, cervix). Talk with your doctor about this risk. Check with your doctor right away if you experience abnormal vaginal bleeding.

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

Check with your doctor immediately if blurred vision, difficulty in reading, or any other change in vision occurs during or after treatment. Your doctor may want an eye doctor (ophthalmologist) to check your eyes.

This medicine may increase your risk of having gallbladder disease. Check with your doctor if you start to have stomach pains, nausea, and vomiting.

Make sure any doctor or dentist who treats you knows that you are using this medicine. The results of some medical tests may be affected by this medicine.

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.