"What are the sources of widely used estrogen?"

October 14, 2011

Is a question, I am frequently asked, most women are unaware that estrogens are derived by animals or plants. So, here's the list I used with my patients:

Is a question, I am frequently asked, most women are unaware that estrogens are derived by animals or plants. So, here's the list I used with my patients:

Drug Name	Route	Yrs. FDA Approved	for	Strength
Alora®	Transdermal	1	Menopausal syndrome	0.05 mg 0.075 mg 0.1mg
Climara®	Transdermal	1	Menopausal syndrome	0.05 mg 0.75 mg .1 mg
Estrace®	Oral Vaginal	20 10	Menopausal syndrome, Osteoporosis and Vaginal atrophy	0.5 mg 1.0 mg 2.0 mg 0.1% cream
Estroderm®	Transdermal	10	Menopausal syndrome Osteoporosis	0.05 mg 0.1 mg
Estratab®	Oral	20	Menopausal Syndrome Osteoporosis	0.3 mg 0.625 mg 1.25 mg 2.5mg
Estring®	Vaginal Ring	1	Vaginal Atrophy	5-10mg
FemPatch®	Transdermal	1	Menopausal syndrome	0.05 mg 0.1 mg
Menest®	Oral	20	Menopausal syndrome	0.3 mg 0.625 mg 1.25 mg 2.5 mg
Ogen®	Oral	40	Menopausal Syndrome Osteoporosis	0.625mg 1.25 mg.
Ortho-est®	Oral	2	Menopausal Syndrome	0.625 mg 1.25 mg
Vivelle®	Transdermal	1	Menopausal Syndrome	0.037 0.050 .75 0.1mg

ANIMAL BASED ESTROGEN

Drug Name	Route	Yrs. FDA Approved	for	Strength
Premarin®	Oral	50	Menopausal syndrome, Osteoporosis	0.3 mg 0.625 mg 0.9 mg 1.25 mg 2.5 mg

ESTROGEN/PROGESTERONE COMBINATIONS

Drug Name	Route	Yrs. FDA Approved	for	Strength
CombiPatch®	Transdermal	1	Menopausal Syndrome	0.05 mg estradiol 0.14 mg norethindrone
Prempro®	Oral	5	Menopausal Syndrome, Osteoporosis	0.625 mg premarin 2.5 mg cycrin continous
Premphase®	Oral	5	Menopausal Syndrome, Osteoporosis	0.625 mg premarin 5 mg cycrin sequential

ESTROGEN/ANDROGEN COMBINATIONS

Drug Name	Route	Yrs. FDA Approved	for	Strength
Estratest®	Oral	5	Menopausal Syndrome, Osteoporosis	1.25/2.5 mg
Estratest HS®	Oral	5	Menopausal Syndrome, Osteoporosis	0.625/1.25 mg

"What are the sources of widely used estrogen?"

Judith A. Norris, RNP

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