Estradioldrug info
90 DAY estradiol 0.00417 MG/HR Vaginal System [Femring]
What it is used for
Femring is an estrogen indicated for:
Treatment of Moderate to Severe Vasomotor Symptoms due to Menopause
Treatment of Moderate to Severe Vulvar and Vaginal Atrophy due to Menopause
1.1 Treatment of
Moderate to Severe Vasomotor Symptoms due to Menopause.
1.2 Treatment of
Moderate to Severe Vulvar and Vaginal Atrophy due to Menopause.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective December 9, 2025. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
Femring (estradiol acetate vaginal ring) is an off-white, soft, flexible ring with a central core containing estradiol acetate. Femring is made of cured silicone elastomer composed of dimethyl polysiloxane silanol, silica (diatomaceous earth), normal propyl orthosilicate, stannous octoate; barium sulfate and estradiol acetate. The rings have the following dimensions: outer diameter 56 mm, cross-sectional diameter 7.6 mm, core diameter 2 mm. Femring is available in two strengths: Femring 0.05 mg/day has a central core that contains 12.4 mg of estradiol acetate, which releases at a rate equivalent to 0.05 mg of estradiol per day for 3 months. Femring 0.10 mg/day has a central core that contains 24.8 mg of estradiol acetate, which releases at a rate equivalent to 0.10 mg of estradiol per day for 3 months. Estradiol acetate is chemically described as estra-1,3,5-triene-3,17β-diol-3-acetate. The molecular formula of estradiol acetate is C 20 H 26 O 3 and the molecular weight of estradiol acetate is 314.42. The Structural formula of Estradiol acetate is chemically described as estra-1,3,5-triene-3,17b-diol-3-acetate
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective December 9, 2025. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
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