What is the active ingredient in this patch?
Climara
Medications
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Open May 13, 2026 - 11:19 AM
1answer
Answer
May 13, 2026 - 11:19 AM
The active ingredient is estradiol hemihydrate, which acts as an estrogen substitute in the body. Estradiol is a form of estrogen, a hormone essential for many bodily functions, especially in women experiencing menopause or low estrogen.
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