What is an estrogen patch?

Jan L. Shifren, MD
Reproductive Endocrinology
Applied like a Band-Aid, estrogen patches deliver a continuous dose of estrogen for up to a week. They are approved for the treatment of bothersome hot flashes. Patches are worn on the abdomen or buttocks and are replaced every three to seven days. Typically, an oral progestogen is used along with the patch, although some patches contain both estrogen and progestogen. Because the estrogen enters the bloodstream without passing through the liver, it may be a more natural way to take estrogen. Some users report that the patch can itch or fall off. Examples of estrogen patches are Alora, Vivelle-Dot, Climara, and Menostar; combination patches that contain both estrogen and progestogen include CombiPatch and Climara Pro.

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