Estradiol cream vs. estradiol patch

First, which cream do you mean?

"Estrogen cream" can mean two very different things. A systemic estradiol cream is applied to the skin of the arm, thigh or abdomen and absorbed into the bloodstream to treat whole-body symptoms such as hot flashes, night sweats and sleep disruption. A vaginal estrogen cream, like our estriol vaginal cream, is used in small amounts inside the vagina to treat local symptoms such as dryness, painful sex and some urinary symptoms.

This page compares systemic cream with the patch. Vaginal estrogen is a separate, local treatment that many women use alongside either one, and it doesn't treat hot flashes on its own.

What they have in common

Both deliver estradiol, the main estrogen your ovaries made before menopause, through the skin. Unlike estrogen tablets, transdermal estradiol doesn't pass through the liver first, and The Menopause Society notes that observational data suggest transdermal routes may carry a lower risk of blood clots and stroke than oral estrogen, although this hasn't been confirmed in head-to-head randomized trials.

Both also share the same boxed warnings that apply to estrogen products: an increased risk of endometrial cancer if estrogen is used without a progestogen in women with a uterus, and the risks of stroke, blood clots, breast cancer and dementia seen in large trials of oral hormone therapy. If you have a uterus, progesterone is needed with either one to protect the uterine lining.

Where they differ

Routine is the biggest difference. Creams and gels are applied once a day, ideally at the same time, to clean, dry skin. Patches are usually changed once or twice a week, depending on the product, and you rotate sites so the same patch of skin isn't reused for at least a week.

Skin reactions differ too. Patches can cause redness or itching under the adhesive and occasionally don't stay on during heat, swimming or heavy sweating. Creams rarely irritate but need time to dry.

Transfer to others is a real consideration with creams and gels. Estradiol on your skin can pass to partners, children and pets through contact, so labeling advises letting the area dry, covering it with clothing and avoiding skin contact for at least an hour. A patch that stays in place greatly reduces that risk.

Getting the dose right

With either form, your clinician starts with a dose aimed at controlling your symptoms and adjusts it based on how you feel, not on a blood level. Signs the dose may be too high include breast tenderness, bloating or headaches; signs it may be too low include persistent hot flashes or night sweats. Give a new dose a few weeks before judging it.

Any unexpected vaginal bleeding on hormone therapy, or any bleeding after menopause, needs prompt evaluation, whichever preparation you use.

Regulatory status

Estradiol patches, gels and sprays are available as FDA-approved products. Our estradiol cream is compounded by a licensed pharmacy; compounded drugs are not FDA-approved, the FDA doesn't verify their safety, effectiveness or quality before they're sold, and they aren't equivalent to FDA-approved estradiol products. Your clinician will tell you whether each product in your plan is compounded or FDA-approved.

The term "bioidentical" describes estradiol's chemical structure. It applies to many FDA-approved products as well as compounded ones, and it doesn't by itself mean a product is safer.

Which might fit you

There's no general winner. Your clinician will consider your history, preferences and household when recommending one, and you can switch if the first choice doesn't suit you.

• You prefer not to think about it daily: a patch changed once or twice a week
• You have sensitive skin or adhesive reactions: a cream may be more comfortable
• Young children, a partner or pets have frequent skin contact with you: a patch reduces transfer risk
• You swim, sweat heavily or use saunas often: a cream may be more reliable than a patch
• Your main symptoms are vaginal dryness or painful sex: local vaginal estrogen may be all you need
• You have a history of blood clots, stroke, breast cancer or unexplained bleeding: discuss whether any estrogen is appropriate