Ethinylestradiol/norethisterone acetate

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Not to be confused with Ethinylestradiol/norethisterone.

Ethinylestradiol /
norethisterone acetate
Combination of
EthinylestradiolEstrogen
Norethisterone acetateProgestogen
Clinical data
Trade namesEstrostep, Loestrin, Microgestin, others[1]
Other namesEE/NETA
AHFS/Drugs.comProfessional Drug Facts
License data
Routes of
administration		By mouth (pill)
ATC code
Legal status
Legal status
  • US: ℞-only
Identifiers
CAS Number
  • 57-63-6
  • 51-98-9
PubChem CID
DrugBank
UNII
KEGG
ChEBI
ChEMBL
Chemical and physical data
3D model (JSmol)
SMILES
  • CC(=O)OC1(CCC2C1(CCC3C2CCC4=CC(=O)CCC34)C)C#C.CC12CCC3C(C1CCC2(C#C)O)CCC4=C3C=CC(=C4)O
InChI
  • InChI=1S/C22H28O3.C20H24O2/c1-4-22(25-14(2)23)12-10-20-19-7-5-15-13-16(24)6-8-17(15)18(19)9-11-21(20,22)3;1-3-20(22)11-9-18-17-6-4-13-12-14(21)5-7-15(13)16(17)8-10-19(18,20)2/h1,13,17-20H,5-12H2,2-3H3;1,5,7,12,16-18,21-22H,4,6,8-11H2,2H3/t17-,18+,19+,20-,21-,22-;16-,17-,18+,19+,20+/m01/s1
  • Key:GEONECATAKDDLT-JDSZYESASA-N

Ethinylestradiol/norethisterone acetate (EE/NETA), or ethinylestradiol/norethindrone acetate, is a combination of ethinylestradiol (EE) and norethisterone acetate (NETA) which is used as birth control.[1] EE is an estrogen, while norethisterone acetate (NETA) is a progestin.[1] It is taken by mouth.[1] Some preparations of EE/NETA additionally contain an iron supplement in the form of ferrous fumarate.[2]

In 2019, it was the 42nd most commonly prescribed medication in the United States, with more than 16 million prescriptions.[3][4]

Society and culture[]

Brand names[]

Brand names of EE/NETA include Anovlar, Blisovi, Cumorit, Estrostep, FemHRT, Fyavolv, Gildess, Junel, Larin, Leribane, Loestrin, Lo Loestrin (Lo Lo), Mibelas, Microgestin, Minastrin, Norlestrin, Primodos, Taytulla, and Tri-Legest, among others.[5]

In addition, the combination is sold in the United States under the brand name FemHRT for use in menopausal hormone therapy.[6][7]

See also[]

References[]

  1. ^ a b c d "Estrogen-Progestin Combinations Monograph for Professionals". Drugs.com. AHFS. Retrieved 28 December 2018.
  2. ^ Willihnganz M, Clayton AD (1 May 2014). Basic Pharmacology for Nurses - E-Book. Elsevier Health Sciences. pp. 648–. ISBN 978-0-323-29309-9.
  3. ^ "The Top 300 of 2019". ClinCalc. Retrieved 16 October 2021.
  4. ^ "Ethinyl Estradiol; Norethindrone - Drug Usage Statistics". ClinCalc. Retrieved 16 October 2021.
  5. ^ "Ethinyl Estradiol and Norethindrone (Professional Patient Advice)". Drugs.com. 13 July 2019. Retrieved 10 April 2020.
  6. ^ "Drug Approval Package: Femhrt (Norethindrone Acetate & Ethinyl Estradiol) NDA #21065". U.S. Food and Drug Administration (FDA). Retrieved 28 December 2018.
  7. ^ "FemHRT- norethindrone acetate/ethinyl estradiol tablet". DailyMed. 14 November 2017. Retrieved 31 December 2019.

External links[]


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