What should I tell my care team before I take this medication?
They need to know if you have any of these conditions:
- Blood clots
- Endometriosis
- High cholesterol
- Irregular menstrual cycles
- Liver disease
- Stroke
- Uterine cancer
- Uterine fibroids
- An unusual reaction to tamoxifen, other medications, foods, dyes, or preservatives
- Pregnant or trying to get pregnant
- Breast-feeding
What may interact with this medication?
Do not take this medication with any of the following:
- Cisapride
- Dronedarone
- Ketoconazole
- Levoketoconazole
- Pimozide
- Thioridazine
This medication may also interact with the following:
- Anastrozole
- Certain medications for seizures, such as carbamazepine, phenobarbital, phenytoin
- Letrozole
- Other medications that cause heart rhythm changes
- Paroxetine
- Rifampin
- Warfarin
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
What should I watch for while using this medication?
Visit your care team for regular checks on your progress. You will need regular pelvic exams, breast exams, and mammograms.
Talk to your care team about your risk of uterine cancer. You may be more at risk for uterine cancer if you take this medication.
Talk to your care team if you may be pregnant. Serious birth defects can occur if you take this medication during pregnancy.
Do not breastfeed while taking this medication and for 3 months after the last dose.
This medication may cause infertility. Talk with your care team if you are concerned about your fertility.
What are the most serious risks of this medication?
This medicine increases the risk of blood clots.
Women who have their uterus have a higher risk of uterine cancer when they take this medicine.
This medicine can increase the risk of having a stroke.