Estradioldrug info
168 HR estradiol 0.00188 MG/HR / levonorgestrel 0.000625 MG/HR Transdermal System [Climara Pro]
What it is used for
Climara Pro is indicated for: Climara Pro is an estrogen plus progestin indicated in a woman with a uterus for: Treatment of Moderate to Severe Vasomotor Symptoms due to Menopause Prevention of Postmenopausal Osteoporosis Limitations of Use: When prescribing solely for the prevention of postmenopausal osteoporosis, first consider the use of non-estrogen medications. Consider estrogen therapy only for women at significant risk of osteoporosis.
1.1 Treatment of
Moderate to Severe Vasomotor Symptoms due to Menopause
1.2 Prevention of
Postmenopausal Osteoporosis Limitation of Use When prescribing solely for the prevention of postmenopausal osteoporosis, first consider the use of non-estrogen medications. Consider estrogen therapy only for women at significant risk of osteoporosis.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective March 26, 2026. 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
Climara Pro (estradiol/levonorgestrel transdermal system) is an adhesive-based matrix transdermal patch designed to release both estradiol and levonorgestrel, a progestational agent, continuously upon application to intact skin. The 22 cm 2 Climara Pro system contains 4.4 mg estradiol and 1.39 mg levonorgestrel and provides a nominal delivery rate (mg per day) of 0.045 estradiol and 0.015 levonorgestrel. Estradiol USP has a molecular weight of 272.39 and the molecular formula is C 18 H 24 O 2. Levonorgestrel USP has a molecular weight of 312.4 and a molecular formula of C 21 H 28 O 2. The structural formulas for estradiol and levonorgestrel are: The Climara Pro transdermal system comprises 3 layers. Proceeding from the visible surface towards the surface attached to the skin, these layers are: A translucent polyethylene backing film. An acrylate adhesive matrix containing estradiol and levonorgestrel. A protective liner of either siliconized or fluoropolymer coated polyester film. The protective liner is attached to the adhesive surface and must be removed before the system can be used. The active components of the transdermal system are estradiol and levonorgestrel. The remaining components of the transdermal system (acrylate copolymer adhesive and polyvinylpyrrolidone/vinyl acetate copolymer) are pharmacologically inactive. Chemical Structure Image
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective March 26, 2026. 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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