norethindrone


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Related to norethindrone: norethindrone acetate

norethindrone

 [nor-eth´in-drōn]
a progestational agent having some anabolic, estrogenic, and androgenic properties; used as the base or the acetate ester in the treatment of amenorrhea, dysfunctional uterine bleeding, and endometriosis, and as an oral contraceptive.

norethindrone

/nor·eth·in·drone/ (nor-eth´in-drōn) a progestational agent having some anabolic, estrogenic, and androgenic properties; used as the base or the acetate ester in the treatment of amenorrhea, dysfunctional uterine bleeding, and endometriosis, and as an oral contraceptive.

norethindrone

(nôr-ĕth′ĭn-drōn′)
n.
A progestin, C20H26O2, used (often in acetate form) alone or in combination with estrogen in oral contraceptives, in combination with estrogen in hormone replacement therapy, and for the treatment of endometriosis, abnormal uterine bleeding, and amenorrhea.

norethindrone

[nôreth′indrōn]
a progestin.
indications It is prescribed in the treatment of abnormal uterine bleeding and endometriosis and is used alone or as a component in oral contraceptive medications.
contraindications Thrombophlebitis, liver dysfunction, unusual vaginal bleeding, breast cancer, or known hypersensitivity to this drug prohibits its use. It is not recommended for use during pregnancy and should be used with caution in patients with asthma, diabetes, cardiac or renal dysfunction, hyperlipidemia, migraines, seizure disorders, or psychic depression.
adverse effects Among the more serious adverse effects are breakthrough bleeding, amenorrhea, GI disturbances, breast changes, and masculinization of the female fetus. The drug should be discontinued immediately if vision problems (e.g., double vision, complete or partial loss of vision) or migraine headaches appear. Progestin-only contraceptives have a higher rate of failure.

norethisterone, norethindrone

a progestin.
References in periodicals archive ?
TABLE FDA-approved estrogen-progestin contraceptives for the treatment of acne Brand name Generic name Estrostep Norethindrone acetate-ethinyl estradiol plus ferrous fumarate Ortho Tri-Cyclen Norgestimate-ethinyl estradiol Yaz Drospirenone-ethinyl estradiol BeYaz Drospirenone-ethinyl estradiol plus levomefolate
The company received approval in April 2010 for Heather tablets, their generic version of Watson s Nor-QD tablets and the received approval for Norethindrone Acetate 5mg tablets on Thursday.
John's Wort on OC therapy, with respect to the pharmacokinetics of norethindrone and ethinyl estradiol, ovarian activity, and breakthrough bleeding, was evaluated.
John's Wort with oral contraceptives: effects on the pharmacokinectics of norethindrone and ethinyl estradiol, ovarian activity and breakthrough bleeding.
norethindrone (tablets); marketed as Micronor and Nor-QD
Norethindrone acetate is used in clinical practice in combination with other hormones for contraception and for hormonal suppression of endometfiosis-associated pain.
Clinical comparison of triphasic norgestimate/35 micrograms ethinyl estradiol and monophasic norethindrone acetate/20 micrograms ethinyl estradiol: cycle control, lipid effects, and user satisfaction.
Investigators also theorized that the use of norethindrone acetate as an androgenic progestin in this study may have exerted a positive effect on bone accrual.
They were randomly assigned to receive either levonorgestrel-IUS (285 subjects) or medical therapies (286 subjects) such as mefenamic acid, tranexamic acid, norethindrone, estrogen-progestogen OCs, progesterone-only OCs, medroxyprogesterone acetate injections, or some combination of these.
Three combination oral contraceptives are approved for the treatment of acne in women in the United States: ethinyl estradiol and norgestimate (Ortho TriCyclen), ethinyl estradiol and norethindrone (Estrostep), and ethinyl estradiol and drospirenone (Yaz).
The committee was told that Evans had prescribed tablets of Norethindrone for two greyhounds that were frightened of injections, and that the former licensed vet at stadiums including Bolton, Doncaster and Belle Vue was said to have told the trainer the dogs, Checkinpost and Confident Bunny, could continue racing.
Of 12 girls aged 12-18 years included in the study, 5 received a combination oral contraceptive with 20 mcg of ethinyl estradiol and 1 mg of norethindrone acetate for 12 months and 7 received one with 35 mcg of ethinyl estradiol and 1 mg norethindrone for the same duration.