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An estradiol transdermal system is a prescription estrogen patch that releases estradiol through the skin. Current twice-weekly systems come in delivery strengths of 0.025 mg, 0.0375 mg, 0.05 mg, 0.075 mg, and 0.1 mg per day. Labeling includes menopausal vasomotor symptoms and postmenopausal osteoporosis prevention.
read more about estradiol patch ...Estradiol moves through intact skin into the bloodstream and binds estrogen receptors in responsive tissues. Estrogen receptor activation regulates gene transcription in reproductive tissues, bone, the hypothalamus, pituitary gland, and other organs. Transdermal delivery avoids initial passage through the gastrointestinal tract.
Current twice-weekly estradiol systems treat moderate to severe vasomotor symptoms due to menopause and prevent postmenopausal osteoporosis in selected women. When treatment is prescribed only for osteoporosis prevention, non-estrogen medicines are considered first for women at significant fracture risk.
For moderate to severe vasomotor symptoms, treatment starts with a system that releases 0.0375 mg per day and is applied twice weekly. Osteoporosis prevention starts at 0.025 mg per day applied twice weekly. The patch is placed on clean, dry skin of the lower abdomen or buttocks and not on the breasts.
Estradiol patches carry boxed warnings for endometrial cancer, cardiovascular disorders, probable dementia, and breast cancer risks associated with estrogen therapy. Contraindications include unexplained genital bleeding, breast or estrogen-dependent cancer, active or prior venous or arterial thromboembolic disease, liver disease, specified thrombophilic disorders, and serious hypersensitivity.
A new system is applied twice each week according to the prescribed schedule.
Current twice-weekly labeling starts at 0.0375 mg of estradiol per day.
It is applied to clean, dry skin on the lower abdomen or buttocks and not to the breasts.
Yes. Current twice-weekly labeling includes prevention of postmenopausal osteoporosis in selected women.
DailyMed - ESTRADIOL transdermal system (twice-weekly). https://www.dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=f4efb0bf-b96f-4e20-a0f2-0806ab92b2d4. Date Accessed September 30, 2026.
Estradiol. Drugs and Lactation Database (LactMed). https://www.ncbi.nlm.nih.gov/books/NBK501296/. Date Accessed September 30, 2026.
Estradiol. PubChem. https://pubchem.ncbi.nlm.nih.gov/compound/Estradiol. Date Accessed September 30, 2026.
Estradiol Transdermal Patch. MedlinePlus. https://www.medlineplus.gov/druginfo/meds/a605042.html. Date Accessed September 30, 2026.
Estrogen Therapy. StatPearls. https://www.ncbi.nlm.nih.gov/books/NBK541051/. Date Accessed September 30, 2026.