Estradiol is used as a hormone replacement therapy (HRT) in menopausal women. It is used to treat symptoms associated with menopause such as hot flushes, sleep disturbances, mood swings and vaginal dryness or irritation.
This medicine may also be used to treat breast cancer, low levels of estrogen (primary sex hormone in women) and advanced prostate cancer.
Estradiol may be used to treat other conditions as decided by your doctor.
Take Estradiol exactly as directed by your doctor or according to the instructions on the label. Do not take more or less than instructed by your doctor.
You may take this medicine with or without food. Try to take it at the same time each day.
Estradiol must be taken regularly for it to be effective. Continue taking it even when you feel better. Do not stop taking it unless instructed by the doctor.
Take the missed dose as soon as you remember. If it is more than 12 hours after your missed dose, skip the missed dose and return to your normal dosing schedule.
DO NOT double a dose under any circumstances.
If you often forget to take your medicine, let your doctor and pharmacist know.
Alert your doctor if you have the following conditions:
- blood clot disorder
- liver disease
- recent heart attack
- recent stroke
- breast cancer or history of breast cancer
- cancer of the womb or thickening of the womb lining
- unexplained or unusual vaginal bleeding
- porphyria (inherited disorder that may cause skin or nerve problems)
as this medicine may not be suitable for you.
Do not take Estradiol if you are pregnant or planning to have a baby soon. If you become pregnant while being treated with this medicine, alert your doctor immediately. Estradiol may cause harm to your unborn child. You must use proven birth control methods while taking this medicine.
Inform your doctor if you have the following conditions:
- epilepsy (fits or seizures)
- asthma
- migraine
- kidney disease
- heart disease or risk factors for heart disease e.g. high blood pressure, high cholesterol
- diabetes
- gallbladder disease
- thyroid problems e.g. low activity of the thyroid gland)
- low calcium level in the blood
- otosclerosis (hearing disorder due to growth of bone in the inner ear)
- systemic lupus erythematosus (autoimmune disease that causes inflammation)
Let your doctor know if you are breastfeeding.
If you are going for any laboratory tests, inform your doctor that you are taking Estradiol as it can interfere with certain tests.
Keep your appointments with your doctor. Your doctor needs to monitor your condition and check your response to the medication regularly. Your doctor may need to do routine physical examination while you are being treated with this medicine.
Estradiol may cause any of the following side effects: headache, nausea, vomiting, stomach pain, stomach wind, bloating, rash, vaginal discharge and breast pain or discomfort.
Some side effects may need immediate medical help. Alert your doctor quickly if you experience any of the following:
- difficulty breathing or chest discomfort
- severe headache or migraine
- visual disturbances
- breast lumps, dimples in the skin around the breast or changes in the nipple
- abnormal vaginal bleeding
Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Inform your doctor and pharmacist if you are taking any of these medicines:
- medicines for TB e.g. rifampicin
- medicines for epilepsy (fits or seizures) e.g. phenobarbital, phenytoin, carbamazepine
- medicines for HIV e.g. ritonavir, nevirapine, efavirenz
- St. John’s wort (herbal medicine)
This list does not include all medicines that may interact with Estradiol.
Always notify your doctor or pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements and medicines that you buy without a prescription.
Avoid alcohol.
Store in a cool, dry place away from the reach of children.
Medicines must not be used past the expiry date.
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