Substance / Medication

Norelgestromin

Overview

Active Ingredient
norelgestromin
RxNorm CUI
326374

Indications

® 2 ZAFEMYis indicated for the prevention of pregnancy in women with a body mass index (BMI) < 30 kg/mfor whom a combined hormonal contraceptive is appropriate. Limitations of Use: 2 Contraindications (4) Warnings and Precautions (5.1) Clinical Studies (14) [see,and]. ZAFEMY may be less effective in preventing pregnancy in women who weigh 198 lbs (90 kg) or more. ZAFEMY is contraindicated for use in women with BMI ≥ 30 kg/m

Labeler: AvKAREUpdated: 2026-01-19T00:00:00.000ZFull label on DailyMed

Boxed Warning

FDA Black Box Warning

ZAFEMY 2 is contraindicated in women with a BMI ≥ 30 kg/m. The risk of VTE may be greater with ZAFEMY 2 in women with a BMI > 30 kg/mcompared to women with a lower BMI Contraindications (4) [see Warnings and Precautions (5.1) ] and . Cigarette Smoking and Serious Cardiovascular Events Cigarette smo

Contraindications

When this intervention should not be used

ZAFEMY is contraindicated in females who are known to have or develop the following conditions: At high risk of arterial or venous thromboembolic events. Examples include women who: Boxed Warning [see, Warnings and Precautions (5.1) ] Smoke, if over age 35and Warnings and Precautions (5.1) [see] Hav

Indications & Related Conditions

Conditions associated via SNOMED clinical relationships

No related conditions have been mapped yet. Condition-intervention linkages are derived from SNOMED CT relationships and will expand as the knowledge graph grows.

Administration & Protocol

Dosing, route, and treatment protocol

Detailed dosage and administration information is available in the full FDA drug label.

View full prescribing information on DailyMed

Monitoring & Follow-Up

Biomarkers relevant to this intervention via related conditions

No monitoring biomarkers have been mapped yet. Biomarker-intervention linkages are derived through related conditions and will expand as the knowledge graph grows.

Research Evidence

Published studies and systematic reviews

Sort:
Allergic contact dermatitis caused by an ethinylestradiol-norelgestromin transdermal therapeutic system.
Alfaya Teresa, Mur Gimeno Pilar, Iglesias Arantza M et al. · Contact Dermatitis · 2011
PMID: 21392036Case Report
Development of Norelgestromin Dissolving Bilayer Microarray Patches for Sustained Release of Hormonal Contraceptive.
Vora Lalitkumar K, Tekko Ismaiel A, Volpe Zanutto Fabiana et al. · Pharmaceutics · 2024
PMID: 39065643OtherFull text (PMC)
Effect of Norelgestromin and Ethinylestradiol in Transdermal Patches on the Clinical Outcomes and Biochemical Parameters of COVID-19 Patients: A Clinical Trial Pilot Study.
Alfredo Cortés-Algara, Noemí Cárdenas-Rodríguez, Samuel Reyes-Long et al. · Pharmaceuticals (Basel) · 2022
PMID: 35745676OtherFull text (PMC)
Withdrawn: Norelgestromin/ethinyl estradiol transdermal system.
J Med Assoc Thai · 2010
PMID: 20695125Other
Determination of norelgestromin in rabbit plasma by LC-MS/MS and its application to the pharmacokinetic study of ORTHO EVRA.
Liu Xiaofen, Ding Cungang, Ge Qinghua et al. · J Chromatogr B Analyt Technol Biomed Life Sci · 2009
PMID: 19097950Preclinical

Research data from MEDLINE/PubMed

Benefits & Expected Outcomes

Benefits, expected outcomes, efficacy data, and NNT (Number Needed to Treat) are pending physician authorship and evidence review.

Risks & Side Effects

Adverse reaction and safety data for this drug is sourced from the FDA-approved label.

View adverse reactions & drug interactions on DailyMed

Related Symptoms

Symptoms associated with conditions this intervention addresses

No related symptoms have been mapped yet. Symptom linkages are derived through associated conditions.

Alternatives & Comparisons

Alternative treatments, comparison data, and clinical decision support are pending physician authorship.

Medical Disclaimer

This information is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider regarding any medical condition or treatment plan.

Do not start, stop, or change any treatment without consulting your healthcare provider.

Quick Facts

Type
Substance / Medication
Fully Specified Name
Norelgestromin (substance)
SNOMED CT
385578004
UMLS CUI
C1120952
RxNorm CUI
326374
Labeler
AvKARE

Clinical Data

This intervention maps to 0 entities in the Healos knowledge graph.

0
Conditions
0
Biomarkers
0
Specialists
0
Symptoms

Data is sourced from SNOMED CT, UMLS, and the Healos clinical knowledge graph. Content sections marked as pending require physician authorship. Consult a healthcare provider before starting any treatment.