Precautions
Before using estradiol cypionate, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. Before using this medication, tell your doctor or pharmacist your medical history, especially of: asthma, blood clots, cancer (including family history), high blood cholesterol/fat (triglyceride) levels, diabetes, gallbladder disease, heart disease (such as congestive heart failure, previous heart attack), high blood pressure, kidney disease, liver problems, lupus, migraines, mental/mood disorders (such as dementia, depression), mineral imbalance (low/high level of calcium in the blood), seizures, stroke, a certain blood disorder (porphyria), a certain hormone problem (hypoparathyroidism), underactive thyroid (hypothyroidism), uterus problems (such as uterine fibroids, endometriosis), vaginal symptoms (such as unusual bleeding), yellowing eyes/skin (cholestatic jaundice) during pregnancy or with past estrogen use. This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages. If you are nearsighted or wear contact lenses, you may develop vision problems or trouble wearing your contact lenses. Contact your eye doctor if these problems occur. This drug may cause a patchy darkening of the skin on the face (melasma). Sunlight may worsen this darkening. Avoid prolonged sun exposure, tanning booths, and sunlamps. Use a sunscreen and wear protective clothing when outdoors. Do not smoke cigarettes or use tobacco. Estrogens combined with smoking further increase your risk for stroke, blood clots, high blood pressure, and heart attacks, especially in women older than 35. Tell your doctor if you will be having surgery or will be confined to a chair or bed for a long time (such as during a long plane flight). You may need to stop this medication for a time or take special precautions. Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). Children may be more sensitive to the side effects of this drug. It may affect their physical development and might stunt their growth. Discuss the possible effects of this medication with your child's doctor, and monitor your child's growth periodically. Older adults may be more sensitive to the side effects of this drug, especially mental/mood changes (including dementia). This medication must not be used during pregnancy. It may result in birth defects or, later in the child's life, cancer. If you become pregnant or think you may be pregnant, tell your doctor immediately. This medication does not prevent miscarriage and should not be used for this purpose. Small amounts of this medication pass into breast milk. This drug may reduce the quality and amount of breast milk produced. Consult your doctor before breast-feeding.