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    Does Lo Loestrin Fe contain casein as an inert substance?

    +1  Views: 746 Answers: 1 Posted: 14 years ago

    1 Answer

    Doesn't look like it but to be sure, ask your doctor or pharmacist.

    DRUG DESCRIPTION

    Lo Loestrin Fe (norethindrone acetate and ethinyl estradiol, ethinyl estradiol tablets) (norethindrone acetate and ethinyl estradiol tablets, ethinyl estradiol tablets and ferrous fumarate tablets) provides an oral contraceptive regimen consisting of 24 blue active tablets and 2 white active tablets that contain the active ingredients specified for each tablet below, followed by 2 non-hormonal placebo tablets:

    * 24 blue, round tablets each containing 1 mg norethindrone acetate and 10 meg ethinyl estradiol
    * 2 white, hexagonal tablets each containing 10 meg ethinyl estradiol
    * 2 brown, round tablets each containing 75 mg ferrous fumarate

    Each blue tablet also contains the inactive ingredients mannitol, microcrystalline cellulose, FD&C Blue No. 1 Aluminum Lake, sodium starch glycolate, magnesium stearate, povidone, vitamin E and lactose monohydrate.

    Each white tablet also contains the inactive ingredients mannitol, microcrystalline cellulose, sodium starch glycolate, magnesium stearate, povidone, vitamin E and lactose monohydrate.

    Each brown tablet contains ferrous fumarate, mannitol, povidone, microcrystalline cellulose, sodium starch glycolate, magnesium stearate, sucralose and spearmint flavor. The ferrous fumarate tablets do not serve any therapeutic purpose. Ferrous fumarate tablets are not USP for dissolution and assay.

    The empirical formula of ethinyl estradiol is C20H24O2 and the structural formula is:

    Ethinyl estradiol Structural Formula Illustration

    The chemical name of ethinyl estradiol is [19-Norpregna-l,3,5(10)-trien-20-yne-3,17-diol, (17?)-].

    The empirical formula of norethindrone acetate is C22H28O3 and the structural formula is:

    Norethindrone acetate Structural Formula Illustration

    The chemical name of norethindrone acetate is [19-Norpregn-4-en-20-yn-3-one, 17-(acetyloxy)-, (17?)-].
    http://www.rxlist.com/lo-loestrin-fe-drug.htm


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