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What is Vyfemla
NorethisteroneThe Generic name of this drug
Treatment SummaryNorethisterone, also known as norethindrone, is a synthetic hormone used to treat menstrual irregularities, endometriosis, and other conditions. It is a second-generation progestin, meaning it is a more potent form of progesterone. Norethisterone was first developed in 1951, and was initially used to treat menstrual problems. In 1962, it was approved for use as an oral contraceptive.
Neconis the brand name
Vyfemla Overview & Background
Brand Name
Generic Name
First FDA Approval
How many FDA approvals?
Necon
Norethisterone
1967
347
Effectiveness
How Vyfemla Affects PatientsNorethisterone is a synthetic hormone pill used as a form of birth control or to treat other hormone-related conditions such as menopause and endometriosis. It is much stronger than the hormone progesterone that is naturally produced in the body. Norethisterone works to change the function of the cervix and uterus, as well as how the pituitary gland makes hormones that control ovulation. There is evidence that taking this pill may slightly increase the risk of developing breast cancer, so it is important to be aware of this risk and to do regular self-examinations for any changes or masses
How Vyfemla works in the bodyNorethisterone works by binding to progesterone receptors in different parts of the body, like the reproductive tract, breast, pituitary, hypothalamus, skeletal tissue and central nervous system. It thickens cervical mucus to prevent sperm from entering the uterus, and makes the endometrium inhospitable for implantation. It also works to suppress the release of hormones that cause follicles to grow and ovulation to occur. When used for hormone replacement therapy in menopausal women, it helps prevent endometrial hyperplasia, which can increase the risk of endometrial cancer. Norethisterone has a
When to interrupt dosage
The dosage of Vyfemla is contingent upon the identified ailment, including Atrophic, Fracture and Hormone Replacement Therapy. The measure of dosage changes as per the delivery approach (e.g. Oral or Tablet) mentioned in the table below.Condition
Dosage
Administration
Osteoporosis
0.014 mg/hour, , 0.025 mg/hour, 0.5 mg, 0.1 mg, 5.0 mg, 1.0 mg, 0.35 mg, 1.5 mg, 0.8 mg, 2.7 mg, 4.8 mg, 0.75 mg, 0.4 mg, 2.25 mg, 30.0 mg, 3.0 mg
Transdermal, Patch, extended release, , Patch, extended release - Transdermal, Kit, Oral, Tablet, film coated, Tablet, film coated - Oral, Tablet, Tablet - Oral, Kit - Oral, Patch, Patch - Transdermal, Tablet, chewable, Tablet, chewable - Oral, Capsule - Oral, Capsule, Intramuscular; Oral; Topical
Therapeutic procedure
0.014 mg/hour, , 0.025 mg/hour, 0.5 mg, 0.1 mg, 5.0 mg, 1.0 mg, 0.35 mg, 1.5 mg, 0.8 mg, 2.7 mg, 4.8 mg, 0.75 mg, 0.4 mg, 2.25 mg, 30.0 mg, 3.0 mg
Transdermal, Patch, extended release, , Patch, extended release - Transdermal, Kit, Oral, Tablet, film coated, Tablet, film coated - Oral, Tablet, Tablet - Oral, Kit - Oral, Patch, Patch - Transdermal, Tablet, chewable, Tablet, chewable - Oral, Capsule - Oral, Capsule, Intramuscular; Oral; Topical
Primary Ovarian Insufficiency
0.014 mg/hour, , 0.025 mg/hour, 0.5 mg, 0.1 mg, 5.0 mg, 1.0 mg, 0.35 mg, 1.5 mg, 0.8 mg, 2.7 mg, 4.8 mg, 0.75 mg, 0.4 mg, 2.25 mg, 30.0 mg, 3.0 mg
Transdermal, Patch, extended release, , Patch, extended release - Transdermal, Kit, Oral, Tablet, film coated, Tablet, film coated - Oral, Tablet, Tablet - Oral, Kit - Oral, Patch, Patch - Transdermal, Tablet, chewable, Tablet, chewable - Oral, Capsule - Oral, Capsule, Intramuscular; Oral; Topical
Low Testosterone
0.014 mg/hour, , 0.025 mg/hour, 0.5 mg, 0.1 mg, 5.0 mg, 1.0 mg, 0.35 mg, 1.5 mg, 0.8 mg, 2.7 mg, 4.8 mg, 0.75 mg, 0.4 mg, 2.25 mg, 30.0 mg, 3.0 mg
Transdermal, Patch, extended release, , Patch, extended release - Transdermal, Kit, Oral, Tablet, film coated, Tablet, film coated - Oral, Tablet, Tablet - Oral, Kit - Oral, Patch, Patch - Transdermal, Tablet, chewable, Tablet, chewable - Oral, Capsule - Oral, Capsule, Intramuscular; Oral; Topical
Hormone Replacement Therapy
0.014 mg/hour, , 0.025 mg/hour, 0.5 mg, 0.1 mg, 5.0 mg, 1.0 mg, 0.35 mg, 1.5 mg, 0.8 mg, 2.7 mg, 4.8 mg, 0.75 mg, 0.4 mg, 2.25 mg, 30.0 mg, 3.0 mg
Transdermal, Patch, extended release, , Patch, extended release - Transdermal, Kit, Oral, Tablet, film coated, Tablet, film coated - Oral, Tablet, Tablet - Oral, Kit - Oral, Patch, Patch - Transdermal, Tablet, chewable, Tablet, chewable - Oral, Capsule - Oral, Capsule, Intramuscular; Oral; Topical
hypoestrogenism
0.014 mg/hour, , 0.025 mg/hour, 0.5 mg, 0.1 mg, 5.0 mg, 1.0 mg, 0.35 mg, 1.5 mg, 0.8 mg, 2.7 mg, 4.8 mg, 0.75 mg, 0.4 mg, 2.25 mg, 30.0 mg, 3.0 mg
Transdermal, Patch, extended release, , Patch, extended release - Transdermal, Kit, Oral, Tablet, film coated, Tablet, film coated - Oral, Tablet, Tablet - Oral, Kit - Oral, Patch, Patch - Transdermal, Tablet, chewable, Tablet, chewable - Oral, Capsule - Oral, Capsule, Intramuscular; Oral; Topical
Estrogen Deprivation Symptoms
0.014 mg/hour, , 0.025 mg/hour, 0.5 mg, 0.1 mg, 5.0 mg, 1.0 mg, 0.35 mg, 1.5 mg, 0.8 mg, 2.7 mg, 4.8 mg, 0.75 mg, 0.4 mg, 2.25 mg, 30.0 mg, 3.0 mg
Transdermal, Patch, extended release, , Patch, extended release - Transdermal, Kit, Oral, Tablet, film coated, Tablet, film coated - Oral, Tablet, Tablet - Oral, Kit - Oral, Patch, Patch - Transdermal, Tablet, chewable, Tablet, chewable - Oral, Capsule - Oral, Capsule, Intramuscular; Oral; Topical
Hormonal Contraception
0.014 mg/hour, , 0.025 mg/hour, 0.5 mg, 0.1 mg, 5.0 mg, 1.0 mg, 0.35 mg, 1.5 mg, 0.8 mg, 2.7 mg, 4.8 mg, 0.75 mg, 0.4 mg, 2.25 mg, 30.0 mg, 3.0 mg
Transdermal, Patch, extended release, , Patch, extended release - Transdermal, Kit, Oral, Tablet, film coated, Tablet, film coated - Oral, Tablet, Tablet - Oral, Kit - Oral, Patch, Patch - Transdermal, Tablet, chewable, Tablet, chewable - Oral, Capsule - Oral, Capsule, Intramuscular; Oral; Topical
Menopause
0.014 mg/hour, , 0.025 mg/hour, 0.5 mg, 0.1 mg, 5.0 mg, 1.0 mg, 0.35 mg, 1.5 mg, 0.8 mg, 2.7 mg, 4.8 mg, 0.75 mg, 0.4 mg, 2.25 mg, 30.0 mg, 3.0 mg
Transdermal, Patch, extended release, , Patch, extended release - Transdermal, Kit, Oral, Tablet, film coated, Tablet, film coated - Oral, Tablet, Tablet - Oral, Kit - Oral, Patch, Patch - Transdermal, Tablet, chewable, Tablet, chewable - Oral, Capsule - Oral, Capsule, Intramuscular; Oral; Topical
Endometriosis
0.014 mg/hour, , 0.025 mg/hour, 0.5 mg, 0.1 mg, 5.0 mg, 1.0 mg, 0.35 mg, 1.5 mg, 0.8 mg, 2.7 mg, 4.8 mg, 0.75 mg, 0.4 mg, 2.25 mg, 30.0 mg, 3.0 mg
Transdermal, Patch, extended release, , Patch, extended release - Transdermal, Kit, Oral, Tablet, film coated, Tablet, film coated - Oral, Tablet, Tablet - Oral, Kit - Oral, Patch, Patch - Transdermal, Tablet, chewable, Tablet, chewable - Oral, Capsule - Oral, Capsule, Intramuscular; Oral; Topical
Vasomotor System
0.014 mg/hour, , 0.025 mg/hour, 0.5 mg, 0.1 mg, 5.0 mg, 1.0 mg, 0.35 mg, 1.5 mg, 0.8 mg, 2.7 mg, 4.8 mg, 0.75 mg, 0.4 mg, 2.25 mg, 30.0 mg, 3.0 mg
Transdermal, Patch, extended release, , Patch, extended release - Transdermal, Kit, Oral, Tablet, film coated, Tablet, film coated - Oral, Tablet, Tablet - Oral, Kit - Oral, Patch, Patch - Transdermal, Tablet, chewable, Tablet, chewable - Oral, Capsule - Oral, Capsule, Intramuscular; Oral; Topical
Birth Control
0.014 mg/hour, , 0.025 mg/hour, 0.5 mg, 0.1 mg, 5.0 mg, 1.0 mg, 0.35 mg, 1.5 mg, 0.8 mg, 2.7 mg, 4.8 mg, 0.75 mg, 0.4 mg, 2.25 mg, 30.0 mg, 3.0 mg
Transdermal, Patch, extended release, , Patch, extended release - Transdermal, Kit, Oral, Tablet, film coated, Tablet, film coated - Oral, Tablet, Tablet - Oral, Kit - Oral, Patch, Patch - Transdermal, Tablet, chewable, Tablet, chewable - Oral, Capsule - Oral, Capsule, Intramuscular; Oral; Topical
female castration
0.014 mg/hour, , 0.025 mg/hour, 0.5 mg, 0.1 mg, 5.0 mg, 1.0 mg, 0.35 mg, 1.5 mg, 0.8 mg, 2.7 mg, 4.8 mg, 0.75 mg, 0.4 mg, 2.25 mg, 30.0 mg, 3.0 mg
Transdermal, Patch, extended release, , Patch, extended release - Transdermal, Kit, Oral, Tablet, film coated, Tablet, film coated - Oral, Tablet, Tablet - Oral, Kit - Oral, Patch, Patch - Transdermal, Tablet, chewable, Tablet, chewable - Oral, Capsule - Oral, Capsule, Intramuscular; Oral; Topical
Endometriosis
0.014 mg/hour, , 0.025 mg/hour, 0.5 mg, 0.1 mg, 5.0 mg, 1.0 mg, 0.35 mg, 1.5 mg, 0.8 mg, 2.7 mg, 4.8 mg, 0.75 mg, 0.4 mg, 2.25 mg, 30.0 mg, 3.0 mg
Transdermal, Patch, extended release, , Patch, extended release - Transdermal, Kit, Oral, Tablet, film coated, Tablet, film coated - Oral, Tablet, Tablet - Oral, Kit - Oral, Patch, Patch - Transdermal, Tablet, chewable, Tablet, chewable - Oral, Capsule - Oral, Capsule, Intramuscular; Oral; Topical
Hot flashes
0.014 mg/hour, , 0.025 mg/hour, 0.5 mg, 0.1 mg, 5.0 mg, 1.0 mg, 0.35 mg, 1.5 mg, 0.8 mg, 2.7 mg, 4.8 mg, 0.75 mg, 0.4 mg, 2.25 mg, 30.0 mg, 3.0 mg
Transdermal, Patch, extended release, , Patch, extended release - Transdermal, Kit, Oral, Tablet, film coated, Tablet, film coated - Oral, Tablet, Tablet - Oral, Kit - Oral, Patch, Patch - Transdermal, Tablet, chewable, Tablet, chewable - Oral, Capsule - Oral, Capsule, Intramuscular; Oral; Topical
Fracture
0.014 mg/hour, , 0.025 mg/hour, 0.5 mg, 0.1 mg, 5.0 mg, 1.0 mg, 0.35 mg, 1.5 mg, 0.8 mg, 2.7 mg, 4.8 mg, 0.75 mg, 0.4 mg, 2.25 mg, 30.0 mg, 3.0 mg
Transdermal, Patch, extended release, , Patch, extended release - Transdermal, Kit, Oral, Tablet, film coated, Tablet, film coated - Oral, Tablet, Tablet - Oral, Kit - Oral, Patch, Patch - Transdermal, Tablet, chewable, Tablet, chewable - Oral, Capsule - Oral, Capsule, Intramuscular; Oral; Topical
Osteoporosis, Postmenopausal
0.014 mg/hour, , 0.025 mg/hour, 0.5 mg, 0.1 mg, 5.0 mg, 1.0 mg, 0.35 mg, 1.5 mg, 0.8 mg, 2.7 mg, 4.8 mg, 0.75 mg, 0.4 mg, 2.25 mg, 30.0 mg, 3.0 mg
Transdermal, Patch, extended release, , Patch, extended release - Transdermal, Kit, Oral, Tablet, film coated, Tablet, film coated - Oral, Tablet, Tablet - Oral, Kit - Oral, Patch, Patch - Transdermal, Tablet, chewable, Tablet, chewable - Oral, Capsule - Oral, Capsule, Intramuscular; Oral; Topical
Atrophic
0.014 mg/hour, , 0.025 mg/hour, 0.5 mg, 0.1 mg, 5.0 mg, 1.0 mg, 0.35 mg, 1.5 mg, 0.8 mg, 2.7 mg, 4.8 mg, 0.75 mg, 0.4 mg, 2.25 mg, 30.0 mg, 3.0 mg
Transdermal, Patch, extended release, , Patch, extended release - Transdermal, Kit, Oral, Tablet, film coated, Tablet, film coated - Oral, Tablet, Tablet - Oral, Kit - Oral, Patch, Patch - Transdermal, Tablet, chewable, Tablet, chewable - Oral, Capsule - Oral, Capsule, Intramuscular; Oral; Topical
Oral Contraceptives
0.014 mg/hour, , 0.025 mg/hour, 0.5 mg, 0.1 mg, 5.0 mg, 1.0 mg, 0.35 mg, 1.5 mg, 0.8 mg, 2.7 mg, 4.8 mg, 0.75 mg, 0.4 mg, 2.25 mg, 30.0 mg, 3.0 mg
Transdermal, Patch, extended release, , Patch, extended release - Transdermal, Kit, Oral, Tablet, film coated, Tablet, film coated - Oral, Tablet, Tablet - Oral, Kit - Oral, Patch, Patch - Transdermal, Tablet, chewable, Tablet, chewable - Oral, Capsule - Oral, Capsule, Intramuscular; Oral; Topical
Warnings
Vyfemla ContraindicationsCondition
Risk Level
Notes
Liver Diseases
Do Not Combine
Thrombophilia
Do Not Combine
Vaginal Hemorrhage
Do Not Combine
Malignant Neoplasms
Do Not Combine
Benign hepatic neoplasm
Do Not Combine
Breast Cancer
Do Not Combine
Thromboembolism
Do Not Combine
Severe Hypersensitivity Reactions
Do Not Combine
Norethisterone may interact with Pulse Frequency
Common Vyfemla Drug Interactions
Drug Name
Risk Level
Description
Astemizole
Major
The metabolism of Astemizole can be decreased when combined with Norethisterone.
Axitinib
Major
The metabolism of Axitinib can be decreased when combined with Norethisterone.
Cabazitaxel
Major
The metabolism of Cabazitaxel can be decreased when combined with Norethisterone.
Clomipramine
Major
The metabolism of Clomipramine can be increased when combined with Norethisterone.
Copanlisib
Major
The metabolism of Copanlisib can be decreased when combined with Norethisterone.
Vyfemla Toxicity & Overdose RiskThe lowest toxic dose of oral contraceptives in mice is 6g/kg, and in women is 42mg/kg. No serious health issues have been reported from taking too many oral contraceptives, even among children. Overdosing on oral contraceptives may cause severe nausea and vomiting.
Vyfemla Novel Uses: Which Conditions Have a Clinical Trial Featuring Vyfemla?
160 active studies are presently assessing the potential of Vyfemla to ameliorate Birth Control, Atrophic changes and Low Testosterone levels.Condition
Clinical Trials
Trial Phases
Birth Control
24 Actively Recruiting
Not Applicable, Phase 3, Phase 4, Early Phase 1
Endometriosis
29 Actively Recruiting
Early Phase 1, Phase 2, Phase 3, Not Applicable, Phase 4
Osteoporosis
34 Actively Recruiting
Not Applicable, Phase 2, Phase 4, Phase 1, Phase 3
Estrogen Deprivation Symptoms
0 Actively Recruiting
female castration
0 Actively Recruiting
Endometriosis
3 Actively Recruiting
Phase 4, Not Applicable
Oral Contraceptives
0 Actively Recruiting
Osteoporosis, Postmenopausal
0 Actively Recruiting
Hot flashes
17 Actively Recruiting
Phase 1, Phase 4, Not Applicable, Early Phase 1, Phase 2, Phase 3
Low Testosterone
5 Actively Recruiting
Phase 4, Phase 2, Phase 1
Atrophic
3 Actively Recruiting
Phase 4, Not Applicable
Hormone Replacement Therapy
0 Actively Recruiting
Hormonal Contraception
0 Actively Recruiting
hypoestrogenism
2 Actively Recruiting
Phase 4
Fracture
0 Actively Recruiting
Vasomotor System
0 Actively Recruiting
Primary Ovarian Insufficiency
0 Actively Recruiting
Therapeutic procedure
0 Actively Recruiting
Menopause
0 Actively Recruiting
Vyfemla Reviews: What are patients saying about Vyfemla?
5Patient Review
8/9/2017 I've been on this medication for a year and it has helped to regulate my cycles. They were irregular before, but now they are much lighter. I don't even bleed; I only spot occasionally.
4.7Patient Review
3/18/2019 I switched to this brand of birth control about six months ago to help with my acne and cramping. My acne is much better, though the cramps are still an issue. I have gained some weight, but in my opinion, it's worth it!
4Patient Review
8/2/20164Patient Review
8/2/2016 This medication was very effective in stopping my abnormal bleeding. However, the side effects were brutal. I experienced severe chest pain and difficulty breathing to the point of not being able to get out of bed for days at a time.
3.7Patient Review
1/9/2020 I experienced some major cramping and breakthrough bleeding while on this medication. It would happen if I had sex, and it was like period bleeding. However, it did clear up my skin.
Patient Q&A Section about vyfemla
These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.What is Vyfemla generic for?
"Vyfemla is a drug taken orally that is indicated for preventing pregnancy. It is available in generic form."
Answered by AI
Is Azurette progestin only?
"This medication contains two hormones: a progestin (desogestrel) and an estrogen (ethinyl estradiol)."
Answered by AI
What is Yaz called now?
"There are two birth control pills on the market today, Yaz and Loryna. Loryna is a generic version of Yaz."
Answered by AI
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