Replaces estrogen that decreases with menopause or removal of the ovaries. Also prevents osteoporosis and treats advanced prostate or advanced breast cancer in certain men and women. This medicine is an estrogen, which is a female hormone.
You should not use this medicine if you have had an allergic reaction to estrogen medicines, if you are pregnant or breastfeeding, if you have had a blood clot, or if you have vaginal bleeding that has not been checked by a doctor. You should not use this medicine if you have had cancer of the uterus, or in certain cases of breast cancer.
Although it is unlikely that a postmenopausal woman might become pregnant, you should know that using this medicine while you are pregnant could harm the 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 have gallbladder disease, diabetes, heart disease, high blood pressure, high levels of calcium in your blood (hypercalcemia), liver disease, asthma, epilepsy, migraine headaches, kidney disease, high cholesterol, or blood clots.
Taking large doses of estrogens over a long period of time may increase your risk of some kinds of cancer. If you have questions about this risk, talk with your doctor.
Your doctor will need to check your progress at regular visits while you are using this medicine (usually every 6 to 12 months). Be sure to keep all appointments.
Make sure any doctor or dentist who treats you knows that you are using this medicine. This medicine may affect the results of certain medical tests.