About dydrogesterone + ethinylestradiol
Sequential combined hormone replacement therapy
Used for
- Relief of menopausal symptoms
- Osteoporosis prevention after menopause when other treatments are unsuitable
Usual adult dose
One tablet daily, following pack order: estrogen alone, then estrogen plus dydrogesterone. Start the next pack without a break.
Common side effects
- Headache
- Breast tenderness
- Nausea or abdominal discomfort
- Vaginal spotting or irregular bleeding
Important warnings
- Femoston contains estradiol, not the listed ethinylestradiol.
- Not a contraceptive.
- Increases risks of blood clots, stroke, and breast cancer.
- Contraindicated with breast cancer, unexplained vaginal bleeding, or active liver disease.
Pregnancy
Not intended for pregnancy; treatment is discontinued if pregnancy occurs.
Breastfeeding
Not indicated during breastfeeding.
Interactions
- Carbamazepine, phenytoin, and phenobarbital may reduce effectiveness.
- Rifampicin and rifabutin may reduce effectiveness.
- St John's wort may reduce effectiveness.
- Estrogens may lower lamotrigine levels, reducing seizure control.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.