HRT · Transdermal estrogen
Set it once. Forget it for days.
A small adhesive patch applied to the lower abdomen or upper buttock, replaced once or twice a week depending on the formulation. Estradiol releases steadily through the skin, producing the most consistent serum levels of any HRT route. For women who don't want to think about HRT every day, this is often the answer.
Why the patch
Hormone receptors don't just respond to how much estradiol you have — they respond to how steady it is. Daily oral estrogen produces a peak after each dose and a trough before the next. Gels are gentler but still daily. Patches release a controlled amount continuously over 3 to 7 days, producing the flattest, most physiologic curve.
For symptoms that flicker through the day — flashes, mood, sleep that won't — that steadiness can matter. Many women who didn't fully respond to oral or gel estradiol respond on a patch.
The patch also avoids first-pass liver metabolism, so the clotting profile is more favorable than oral. For women with migraine with aura, a personal history of high blood pressure, or a slightly elevated baseline VTE risk, the patch is often the route guidelines recommend.
How it's used
Side effects & safety
Most common: mild skin redness at the patch site, occasional adhesive irritation, mild breast tenderness, light spotting in the first cycles. Skin reactions usually settle as you rotate sites.
Less common but worth flagging: persistent skin reaction, headache, mood changes. Tell your clinician — sometimes a different patch brand or strength resolves it.
Not appropriate if: you have a personal history of breast cancer, certain estrogen-sensitive cancers, active liver disease, a history of unprovoked blood clots or stroke, unexplained vaginal bleeding, or you're pregnant. Your assessment surfaces these carefully.
If you have a uterus: you'll also need progesterone (or a combination preparation) to protect the uterine lining. Your clinician decides which.
Questions
The 3-minute symptoms assessment is free. Your clinician follows up within 24 hours with a personalized recommendation.
Take the menopause assessment